User's Guide
SLAU331A – January 2011 – Revised October 2012
PCM3070EVM-K Evaluation Module
This user's guide describes the characteristics, operation, and use of the PCM3070EVM-K. This
evaluation module (EVM) features a complete stereo audio codec with several inputs and outputs,
extensive audio routing, mixing, and effects capabilities. A complete circuit description, schematic
diagram, and bill of materials are also included.
Contents
1
EVM Overview ............................................................................................................... 3
2
EVM Description and Basics .............................................................................................. 3
3
PCM3070EVM-K Setup and Installation ................................................................................. 7
4
PCM3070 Control Software .............................................................................................. 11
5
Related Documents ....................................................................................................... 19
Appendix A
EVM Connector Descriptions ................................................................................... 20
Appendix B
PCM3070EVM Schematic ....................................................................................... 24
Appendix C PCM3070EVM Bill of Materials ................................................................................. 27
Appendix D USB-MODEVM Schematic ...................................................................................... 29
Appendix E
USB-MODEVM Bill of Materials ................................................................................ 32
Appendix F
USB-MODEVM Protocol ......................................................................................... 34
List of Figures
.........................................................................................
1
PCM3070EVM-K Block Diagram
2
Initial Screen of PCM3070EVM-K Software ............................................................................. 9
3
Compatibility Tab .......................................................................................................... 10
4
Playback Script Tab ....................................................................................................... 12
5
Playback Panel ............................................................................................................ 13
6
Audio Recording Panel ................................................................................................... 14
7
DRC Information Tab
8
9
10
11
12
13
14
15
16
17
18
.....................................................................................................
Program Codec Pop-Up Window ........................................................................................
Audio Inputs Panel ........................................................................................................
Status Flags Panel ........................................................................................................
Register Tables Panel ....................................................................................................
Command-line Interface Panel ..........................................................................................
PCM3070EVM Schematic, Sheet 1 .....................................................................................
PCM3070EVM Schematic, Sheet 2 .....................................................................................
PCM3070EVM Schematic, Sheet 3 .....................................................................................
USB-MODEVM Interface Board, Sheet 1 ..............................................................................
USB-MODEVM Interface Board, Sheet 2 ..............................................................................
USB-MODEVM Interface Board, Sheet 3 ..............................................................................
4
15
15
16
17
18
19
24
25
26
29
30
31
List of Tables
1
USB-MODEVM SW2 Settings ............................................................................................. 5
I2S, I2C are trademarks of Koninklijke Philips Electronics N.V.
Windows is a registered trademark of Microsoft Corporation.
SPI is a trademark of Motorola, Inc.
I2C is a trademark of Philips Corporation.
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2
2
List of Jumpers and Switches ............................................................................................. 5
3
Analog Interface Pinout ................................................................................................... 20
4
Alternate Analog Connectors
5
Digital Interface Pinout .................................................................................................... 22
6
Power Supply Pinout ...................................................................................................... 23
7
PCM3070EVM Bill of Materials .......................................................................................... 27
8
USB-MODEVM Bill of Materials ......................................................................................... 32
PCM3070EVM-K Evaluation Module
............................................................................................
21
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EVM Overview
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1
EVM Overview
1.1
Features
•
•
•
•
Full-featured evaluation board for the PCM3070 stereo audio codec
USB connection to personal computer (PC) provides power, control, and streaming audio data for easy
evaluation
Onboard microphone for ADC evaluation
Connection points for external control and digital audio signals for quick connection to other
circuits/input devices
The PCM3070EVM-K is a complete evaluation kit, which includes a universal serial bus (USB)-based
motherboard and evaluation software for use with a personal computer running the Microsoft Windows®
operating system (Windows Win2000 or Windows XP).
1.2
Introduction
The PCM3070EVM is in the Texas Instruments (TI) modular EVM form factor, which allows direct
evaluation of the device performance and operating characteristics and eases software development and
system prototyping.
The PCM3070EVM-K is a complete evaluation/demonstration kit, which includes a USB-based
motherboard called the USB-MODEVM Interface board and evaluation software for use with a PC running
the Microsoft Windows operating systems.
The PCM3070EVM-K is operational with one USB cable connection to a PC. The USB connection
provides power, control, and streaming audio data to the EVM for reduced setup and configuration. The
EVM also allows external control signals, audio data, and power for advanced operation, which allows
prototyping and connection to the rest of the development or system evaluation.
2
EVM Description and Basics
This section provides information on the analog input and output, digital control, power, and general
connection of the PCM3070EVM-K .
2.1
PCM3070EVM-K Block Diagram
The PCM3070EVM-K consists of two separate circuit boards, the USB-MODEVM and the PCM3070EVM.
The USB-MODEVM is built around the TAS1020B streaming audio USB controller with an 8051-based
core. The motherboard features two positions for modular EVMs, or one double-wide serial modular EVM
can be installed. The PCM3070EVM is one of the double-wide modular EVMs that is designed to work
with the USB-MODEVM.
The simple diagram of Figure 1 shows how the PCM3070EVM is connected to the USB-MODEVM. The
USB-MODEVM Interface board is intended to be used in USB mode, where control of the installed EVM is
accomplished using the onboard USB controller device. Provision is made, however, for driving all the
data buses ( I2C™, SPI™, I2S, etc.) externally. The source of these signals is controlled by SW2 on the
USB-MODEVM. See Table 1 for details on the switch settings.
The USB-MODEVM has two EVM positions that allow for the connection of two small evaluation modules
or one larger evaluation module. The PCM3070EVM is designed to fit over both of the smaller evaluation
module slots as shown in Figure 1
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EVM Description and Basics
2.1.1
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USB-MODEVM Interface Board
The diagram of Figure 1 shows only the basic features of the USB-MODEVM Interface board.
Because the PCM3070EVM is a double-wide modular EVM, it is installed with connections to both EVM
positions, which connects the PCM3070 digital control interface to the I2C port realized using the
TAS1020B, as well as the TAS1020B digital audio interface.
In the factory configuration, the board is ready to be used with the USB-MODEVM. To view all the
functions and configuration options available on the USB-MODEVM board, see the USB-MODEVM
Interface Board schematic in Appendix F.
PCM3070EVM-K
PCM3070
USB-MODEVM
EVM Position 1
Control Interface
2
SPI, I C
TAS1020B
USB 8051
Microcontroller
EVM Position 2
USB
2
I S, AC97
Audio Interface
Figure 1. PCM3070EVM-K Block Diagram
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2.2
Default Configuration and Connections
2.2.1
USB-MODEVM
Table 1 provides a list of the SW2 settings on the USB-MODEVM. For use with the PCM3070EVM, SW-2
positions 1, 3, 4, 5, 6, and 7 must be set to ON, whereas SW-2.2 and SW-2.8 must be set to OFF. If the
PCM3070EVM is to be used with an external audio interface, SW2.4 and SW2.5 also need to be set to
OFF and such interface must be connected as explained in Section 2.4
Table 1. USB-MODEVM SW2 Settings
SW-2 Switch Number
2.2.2
Label
Switch Description
1
A0
USB-MODEVM EEPROM I2C Address A0
ON: A0 = 0
OFF: A0 = 1
2
A1
USB-MODEVM EEPROM I2C Address A1
ON: A1 = 0
OFF: A1 = 1
3
A2
USB-MODEVM EEPROM I2C Address A2
ON: A2 = 0
OFF: A2 = 1
4
USB I2S
I2S Bus Source Selection
ON: I2S Bus connects to TAS1020
OFF: I2S Bus connects to USB-MODEVM J14
5
USB MCK
I2S Bus MCLK Source Selection
ON: MCLK connects to TAS1020
OFF: MCLK connects to USB-MODEVM J14
6
USB SPI
SPI Bus Source Selection
ON: SPI Bus connects to TAS1020
OFF: SPI Bus connects to USB-MODEVM J15
7
USB RST
RST Source Selection
ON: EVM Reset Signal comes from TAS1020
OFF: EVM Reset Signal comes from USB-MODEVM J15
8
EXT MCK
External MCLK Selection
ON: MCLK Signal is provided from USB-MODEVM J10
OFF: MCLK Signal comes from either selection of SW2-5
PCM3070 Jumper Locations
Table 2 provides a list of jumpers found on the EVM and their factory default conditions.
Table 2. List of Jumpers and Switches
Jumper
Default
Position
Jumper Description
W1
Removed
Connects an external microphone bias.
W2
Removed
Onboard microphone connect (-).
W3
Removed
Onboard microphone connect (+).
W4
Removed
Connects bias resistor to IN3_R.
W5
Removed
Connects bias resistor to IN3_L.
W6
Removed
Provides means to change effective resistance to 1 kΩ for differential microphone.
W7
Installed
Connects IN3_R to J5/microphone.
W8
Removed
Connects IN3_R to GND or 1-kΩ pulldown.
W9
Removed
Connects 16-Ω load to HPL
W10
Removed
Connects 16-Ω load to HPR
W11
Removed
DC-couples HPL to its output. Use when driving differentially.
W12
Removed
DC-couples HPR to its output. Use when driving differentially.
W13
Installed
Selects the onboard EEPROM as the TAS1020B firmware source.
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Table 2. List of Jumpers and Switches (continued)
Jumper
Default
Position
Jumper Description
W14
Installed
Connects SCLK for USB SPI.
W15
Installed
Connects RESET for USB RESET.
W16
Installed
Provides a means to measure IOVDD current.
W17
Installed
Provides a means to measure DVDD current.
W18
Installed
Provides a means to measure LDO in/HPVDD current.
W19
Installed
Provides a means to measure AVDD current.
W20
2-3
Selects LDOin/HPVDD +5-V regulator source.
W21
Installed
Connects IOVDD from the header block to the rest of the circuit.
W22
Removed
DC-couples IN2_L. Use when evaluating DC measurement feature for this pin.
W23
Removed
DC-couples IN2_R. Use when evaluating DC measurement feature for this pin.
SW1
I2C
When set to I2C, the I2C signals from P12/J12 are connected to the codec and SPI_SELECT is set low. When
set to SPI, the SPI signals from P12/J12 are connected to the codec and SPI_SELECT is pulled to IOVDD.
SW2
LOW
When set to LOW, AVDD and DVDD are connected to +1.8 VA and +1.8 VD, respectively, and LDO_SELECT
is set low. When set to HI, AVDD, and DVDD are disconnected from other supplies and LDO_SELECT is
pulled to IOVDD.
2.3
2.3.1
Analog Signal Connections
Analog Inputs
The analog input sources can be applied directly to terminal blocks J2, J3, and J4 or input jacks J1 and
J5. The connection details can be found in Appendix A.
2.3.2
Analog Output
The analog outputs are available from terminal blocks J6 and J8 or output jacks J7, J9, and J10. Note that
J10 is provided for signal-to-noise ratio (SNR) measurements only. The connection details can be found in
Appendix A.
2.4
Digital Signal Connections
The digital inputs and outputs of the EVM can be monitored through P12 and P22. If external signals need
to be connected to the EVM, digital inputs must be connected via J14 and J15 on the USB-MODEVM and
the SW2 switch must be changed accordingly (see Section 2.2.1). The connector details are available in
Section A.2.
2.5
Power Connections
The PCM3070EVM can be powered independently when being used in stand-alone operation or by the
USB-MODEVM when it is plugged onto the motherboard.
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2.5.1
Stand-Alone Operation
When used as a stand-alone EVM, power is applied to P23/J23 directly; make sure to reference the
supplies to the appropriate grounds on that connector.
CAUTION
Verify that all power supplies are within the safe operating limits shown on the
PCM3070 data sheet before applying power to the EVM.
P23/J23 provides connection to the common power bus for the PCM3070EVM. Power is supplied on the
pins listed in Table 6.
The PCM3070EVM-K motherboard (the USB-MODEVM Interface board) supplies power to P23/J23 of the
PCM3070EVM. Power for the motherboard is supplied either through its USB connection or via terminal
blocks on that board.
2.5.2
USB-MODEVM Operation
The USB-MODEVM Interface board can be powered from several different sources:
• USB
• 6-Vdc to 10-Vdc ac/dc external wall supply (not included)
• Laboratory power supply
When powered from the USB connection, JMP6 must have a shunt from pins 1–2 (this is the default
factory configuration). When powered from 6-Vdc to 10-Vdc power supply, either through the J8 terminal
block or J9 barrel jack, JMP6 must have a shunt installed on pins 2–3. If power is applied in any of these
ways, onboard regulators generate the required supply voltages, and no further power supplies are
necessary.
If laboratory supplies are used to provide the individual voltages required by the USB-MODEVM Interface,
JMP6 must have no shunt installed. Voltages are then applied to J2 (+5VA), J3 (+5VD), J4 (+1.8VD), and
J5 (+3.3VD). The +1.8VD and +3.3VD can also be generated on the board by the onboard regulators from
the +5VD supply; to enable this configuration, the switches on SW1 need to be set to enable the
regulators by placing them in the ON position (lower position, looking at the board with text reading rightside up). If +1.8VD and +3.3VD are supplied externally, disable the onboard regulators by placing SW1
switches in the OFF position.
Each power supply voltage has an LED (D1-D7) that illuminates when the power supplies are active.
3
PCM3070EVM-K Setup and Installation
The following section provides information on using the PCM3070EVM-K, including setup, program
installation, and program usage.
NOTE: If using the EVM in stand-alone mode, the software must be installed per the following
instructions, but the hardware configuration may be different.
3.1
Software Installation
1. Download the latest version of the PCM3070 Control Software (CS) located in the
http://focus.ti.com/docs/toolsw/folders/print/pcm3070evm-k.html.
2. Open the self-extracting installation file.
3. Extract the software to a known folder.
4. Install the EVM software by double-clicking the Setup executable, and follow the directions. The user
may be prompted to restart their computer.
This installs all the PCM3070EVM-K software and required drivers onto the PC.
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3.2
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EVM Connections
1. Ensure that the PCM3070EVM is installed on the USB-MODEVM Interface board, aligning J11, J12,
J21, J22, and J23 with the corresponding connectors on the USB-MODEVM.
2. Verify that the jumpers and switches are in their default conditions.
3. Attach a USB cable from the PC to the USB-MODEVM Interface board. The default configuration
provides power, control signals, and streaming audio via the USB interface from the PC. On the USBMODEVM, LEDs D3, D4, D5, and D7 illuminate to indicate that the USB is supplying power.
4. For the first connection, the PC recognizes new hardware and begins an initialization process. The
user may be prompted to identify the location of the drivers or allow the PC to automatically search for
them. Allow the automatic detection option.
5. Once the PC confirms that the hardware is operational, D2 on the USB-MODEVM illuminates to
indicate that the firmware has been loaded and the EVM is ready for use. If D2 does not illuminate,
verify that the EEPROM jumper and switch settings conform to Table 1 and Table 2.
After the PCM3070EVM-K software installation (described in Section 3.2) is complete, evaluation and
development with the PCM3070 can begin.
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The PCM3070EVM-K software can now be launched. The user sees an initial screen that looks similar to
Figure 2.
Figure 2. Initial Screen of PCM3070EVM-K Software
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If running the software in Windows Vista or Windows 7, right-click the PCM3070EVM-K CS shortcut and
select Properties. Configure the Compatibility tab as shown in Figure 3
Figure 3. Compatibility Tab
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4
PCM3070 Control Software
The PCM3070 Control Software (CS) is an intuitive, easy-to-use, powerful tool to learn, evaluate, and
control the PCM3070. This tool was specifically designed to make learning the PCM3070 software easy.
The following sections describe the operation of this software.
4.1
Main Panel Window
The Main Panel window, shown in Figure 2, provides easy access to all the features of the PCM3070-K
CS. The Firmware Name and Version boxes provide information about the firmware loaded into the EVM's
EEPROM.
The USB-MODEVM Interface drop-down menu allows the user to select which communication protocol
the TAS1020B USB Controller uses to communicate with the PCM3070 or to toggle the TAS1020B GPIO
pins. The PCM3070 supports I2C Standard, I2C Fast, and 8-bit register SPI. The USB-MODEVM Interface
selection is global to all panels, including the Command-Line Interface. To communicate to the PCM3070
using SPI, SW1 must be switched towards SPI and W14 must be set to 1-2 on the PCM3070EVM.
The Panel Selection Tree provides access to typical configurations, features, and other panels that allow
the user to control the PCM3070. The tree is divided into several categories which contain items that pop
up panels. A panel can be opened by double-clicking any item inside a category in the Panel Selection
Tree.
Below the Panel Selection Tree are three buttons that pop up the following:
•
•
•
Status Flags - Allows the user to monitor the PCM3070 status flags.
Register Tables - A tool to monitor register pages.
Command-Line Interface - A tool to execute/generate scripts and monitor register activity.
The USB LED indicates if the EVM kit is recognized by the software and the ACTIVITY LED illuminates
every time a command request is sent.
The dialog box at the bottom of the Main Panel provides feedback of the current status of the software.
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Typical Configurations
This category can help users to quickly become familiar with the PCM3070. Each of the panels that can
be accessed through this menu have controls relevant to the selected configuration; a tab shows the script
that will be loaded for that particular configuration. Each script includes a brief description of the selected
configuration, as shown in Figure 4.
Figure 4. Playback Script Tab
4.1.1.1
Playback
The Playback panel (shown in Figure 5) has the following configurations:
• High Performance Stereo Playback - this configuration programs the PCM3070 for low-noise, highperformance stereo playback through both line and headphone outputs.
• Direct Analog Bypass - this configuration routes IN1_L/IN1_R to HPL/HPR.
• PGA Analog Bypass - this configuration routes IN1_L/IN1_R to the analog input amplifier (Mic PGA)
which is then routed to both the line and headphone amplifiers.
The analog inputs and outputs used for these configurations can be accessed as follows:
1. IN1_L / IN1_R - Jack J1 or terminal block J2.
2. Line outputs - Jack J7 or terminal block J6.
3. Headphone outputs - Jack J9 or terminal block J8.
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Figure 5. Playback Panel
4.1.1.2
Audio Recording
The Audio Recording panel (shown in Figure 6) has the following configurations:
• High Performance Stereo Recording - this configuration programs the PCM3070 for low-noise, highperformance stereo recording. IN1_L and IN1_R are routed in a single-ended fashion.
The analog inputs used for these configurations can be accessed as follows:
1. IN1_L / IN1_R - Jack J1 or terminal block J2.
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Figure 6. Audio Recording Panel
4.1.2
Features
The Features category allows the user to evaluate various features of the PCM3070. Each of the
Features panels include an Information tab that explains the feature and provides hardware setup
information for easy evaluation, as seen in Figure 7.
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Figure 7. DRC Information Tab
Any item in the Features category can be accessed by a double-click. As soon as a Features panel
opens, a pop-up message appears asking to program the codec for that feature (see Figure 8). A
command script is sent to the codec if the OK button is clicked. This script programs all registers
necessary to evaluate the feature. This can be bypassed by clicking the Cancel button.
Figure 8. Program Codec Pop-Up Window
The script corresponding to each feature can be accessed at the Installation Directory\DATA\EVM folder.
Also, each script can be manually customized and loaded as the feature's start-up script as long as the file
name remains the same.
4.1.3
miniDSP Applications
The PCM3070 features two miniDSP cores, one for the ADC and another for the DAC.
Currently, the PCM3070-K CS has two DAC miniDSP applications: Equalizers and Spectrum Analyzer.
Visit the PCM3070EVM-K product folder for updates and availability on new miniDSP applications.
See the miniDSP section in the data sheet (SLAS549) for information on how to develop custom miniDSP
algorithms.
4.1.4
Control Categories
The Digital Settings, Analog Settings, and Signal Processing categories provide control of many
registers and other features of the PCM3070 . These categories are intended for the advanced user.
Hovering the mouse cursor on top of a control displays a tip strip that contains page, register, and bit
information. As an example, hovering on top of IN1_R of the Audio Inputs panel, as shown in Figure 9
displays p1_r55_b7-6 which means that this control writes to Page 1/Register 55/Bits D7 to D6.
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Figure 9. Audio Inputs Panel
Before changing a control, see the data sheet to ensure that a particular control is compatible with the
current state of the codec. As an example, some controls in the Analog Setup panel must be modified in
a particular order as described in the data sheet. Other controls must only be modified with a specific
hardware setup, such as powering up the AVDD LDO.
All
•
•
•
4.2
controls update their status with respect to the register contents in the following conditions:
A panel is opened.
The Execute Command Buffer button in the Command-Line Interface is pressed.
The Refresh button at the bottom right of a panel is pressed.
Status Flags Panel
The PCM3070 status flags can monitored in the Status Flags panel (Figure 10) which is located below
the Panel Selection Tree . Pressing the POLL button continuously reads all the registers relevant to each
flag and updates those flags accordingly. The rate at which the registers are read can be modified by
changing the value in the Polling Interval numeric control. Note that a smaller interval reduces
responsiveness of other controls, especially volume sliders, due to bandwidth limitations. By default, the
polling interval is 200 ms and can be set to a minimum of 20 ms.
The Sticky Flags tab contains indicators whose corresponding register contents clear every time a read is
performed to that register. To read all the sticky flags, click the Read Sticky Flags button.
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Figure 10. Status Flags Panel
4.3
Register Tables Panel
The contents of configuration and coefficient pages of the PCM3070 can be accessed through the
Register Tables panel (Figure 11).
The Page Number control changes to the page to be displayed in the register table. The register table
contains page information such as the register name, reset value, current value, and a bitmap of the
current value. The contents of the selected page can be exported into a spreadsheet by clicking the Dump
to Spreadsheet button.
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Figure 11. Register Tables Panel
4.4
Command-Line Interface Panel
The Command-Line Interface panel provides a means to communicate with the PCM3070 using a simple
scripting language (described in Section F.1). The TAS1020B USB Controller (located on the USBMODEVM motherboard) handles all communication between the PC and the PCM3070.
A script is loaded into the command buffer, either by loading a script file using the File menu or by pasting
text from the clipboard using the Ctrl-V key combination (Figure 12).
When the command buffer is executed, the return data packets which result from each individual
command are displayed in the Command History control. This control is an array (with a maximum size
of 100 elements) that contains information about each command as well as status. The Interface box
displays the interface used for a particular command in the Command History array. The Command box
displays the type of command executed (i.e., write, read) for a particular interface. The Flag Retries box
displays the number of read iterations performed by a Wait for Flag command (see Section F.1 for
details). The Register Data array displays the register number and data bytes that correspond to a
particular command.
The Information tab provides additional information related to the Command History as well as
additional settings. The Syntax and Examples tabs provide useful information related to the scripting
language.
The File menu provides some options for working with scripts. The first option, Open Script File..., loads a
command file script into the command buffer. This script can then be executed by pressing the Execute
Command Buffer button. The contents of the Command Buffer can be saved using the Save Script
File... option.
Both the Command Buffer and Command History can be cleared by clicking their corresponding Clear
buttons.
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Figure 12. Command-line Interface Panel
5
Related Documents
The following related documents are available through the Texas Instruments Web site at www.ti.com.
EVM-Compatible Device Data Sheets
Device
Literature Number
PCM3070
SLAS724
TAS1020B
SLES025
REG1117-3.3
SBVS001
TPS767D318
SLVS209
SN74LVC125A
SCAS290
SN74LVC1G125
SCES223
SN74LVC1G07
SCES296
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PCM3070EVM-K Evaluation Module
19
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Appendix A EVM Connector Descriptions
This appendix contains the connection details for each of the main connectors on the EVM.
A.1
Analog Interface Connectors
A.1.1
Analog Dual-Row Socket Details, J11 and J21
The PCM3070EVM has two analog dual-row sockets located at the bottom of the board. These sockets
provide support to the EVM and connect the analog ground plane of the EVM to the USB-MODEVM
analog ground. Consult Samtec at www.samtec.com or call 1-800-SAMTEC-9 for a variety of mating
connector options. Table 3 summarizes the analog interface pinout for the PCM3070EVM.
Table 3. Analog Interface Pinout
20
PIN NUMBER
SIGNAL
DESCRIPTION
J11.1
NC
Not Connected
J11.2
NC
Not Connected
J11.3
NC
Not Connected
J11.4
NC
Not Connected
J11.5
NC
Not Connected
J11.6
NC
Not Connected
J11.7
NC
Not Connected
J11.8
NC
Not Connected
J11.9
AGND
Analog Ground
J11.10
NC
Not Connected
J11.11
AGND
Analog Ground
J11.12
NC
Not Connected
J11.13
AGND
Analog Ground
J11.14
NC
Not Connected
J11.15
NC
Not Connected
J11.16
NC
Not Connected
J11.17
AGND
Analog Ground
J11.18
NC
Not Connected
J11.19
AGND
Analog Ground
J11.20
NC
Not Connected
J21.1
NC
Not Connected
J21.2
NC
Not Connected
J21.3
NC
Not Connected
J21.4
NC
Not Connected
J21.5
NC
Not Connected
J21.6
NC
Not Connected
J21.7
NC
Not Connected
J21.8
NC
Not Connected
J21.9
AGND
Analog Ground
J21.10
NC
Not Connected
J21.11
AGND
Analog Ground
J21.12
NC
Not Connected
J21.13
AGND
Analog Ground
J21.14
NC
Not Connected
J21.15
NC
Not Connected
J21.16
NC
Not Connected
J21.17
AGND
Analog Ground
J21.18
NC
Not Connected
J21.19
AGND
Analog Ground
EVM Connector Descriptions
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Analog Interface Connectors
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Table 3. Analog Interface Pinout (continued)
A.1.2
PIN NUMBER
SIGNAL
DESCRIPTION
J21.20
NC
Not Connected
Analog Screw Terminal and Audio Jack Details, J1 to J10
The analog inputs and outputs can be accessed through screw terminals or audio jacks.
Table 4 summarizes the screw terminals and audio jacks available on the PCM3070EVM.
Table 4. Alternate Analog Connectors
DESIGNATOR
PIN 1
PIN 2
PIN 3
PIN 4
PIN 5
J1 (IN1)
AGND
IN1_L
IN1_R
NC
NC
J2 (IN1)
IN1_L
AGND
IN1_R
J3 (IN2)
IN2_L
AGND
IN2_R
J4 (EXT MIC IN)
IN3_L
AGND
IN3_R / NC
J5 (MIC INPUT)
AGND
IN3_L
IN3_R / NC
IN3_L
IN3_R / NC
J6 (LINE OUT)
LOL
AGND
LOR
J7 (LINE OUT)
AGND
LOL
LOR
NC
NC
J8 (HEADPHONE)
HPL
AGND
HPR
J9 (HEADPHONE OUTPUT)
AGND
HPL
HPR
NC
NC
J10 (HEADPHONE TEST ONLY)
AGND
HPL
HPR
NC
NC
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EVM Connector Descriptions
21
Digital Interface Connectors, P12/J12 and P22/J22
A.2
www.ti.com
Digital Interface Connectors, P12/J12 and P22/J22
The PCM3070EVM is designed to easily interface with multiple control platforms. Samtec part numbers
SSW-110-22-F-D-VS-K and TSM-110-01-T-DV-P provide a convenient 10-pin, dual-row header/socket
combination at P12/J12 and P22/J22. These headers/sockets provide access to the digital control and
serial data pins of the device. Consult Samtec at www.samtec.com or call 1-800- SAMTEC-9 for a variety
of mating connector options. Table 5 summarizes the digital interface pinout for the PCM3070EVM.
Table 5. Digital Interface Pinout
22
PIN NUMBER
SIGNAL
DESCRIPTION
P12.1/J12.1
NC
Not Connected
P12.2/J12.2
NC
Not Connected
P12.3/J12.3
SCLK
SPI Serial Clock
P12.4/J12.4
DGND
Digital Ground
P12.5/J12.5
NC
Not Connected
P12.6/J12.6
NC
Not Connected
P12.7/J12.7
/SS
SPI Chip Select
P12.8/J12.8
NC
Not Connected
P12.9/J12.9
NC
Not Connected
P12.10/J12.10
DGND
Digital Ground
P12.11/J12.11
MOSI
SPI MOSI Slave Serial Data Input
P12.12/J12.12
NC
Not Connected
P12.13/J12.13
MISO
SPI MISO Slave Serial Data Output
P12.14/J12.14
RESET
TAS1020B Reset
P12.15/J12.15
NC
Not Connected
P12.16/J12.16
SCL
I2C Serial Clock
P12.17/J12.17
NC
Not Connected
P12.18/J12.18
DGND
Digital Ground
P12.19/J12.19
NC
Not Connected
P12.20/J12.20
SDA
I2C Serial Data Input/Output
P22.1/J22.1
NC
Not Connected
P22.2/J22.2
NC
Not Connected
P22.3/J22.3
BCLK
Audio Serial Data Bus Bit Clock (Input/Output)
P22.4/J22.4
DGND
Digital Ground
P22.5/J22.5
NC
Not Connected
P22.6/J22.6
NC
Not Connected
P22.7/J22.7
WCLK
Audio Serial Data Bus Word Clock (Input/Output)
P22.8/J22.8
NC
Not Connected
P22.9/J22.9
NC
Not Connected
P22.10/J22.10
DGND
Digital Ground
P22.11/J22.11
DIN
Audio Serial Data Bus Data Input (Input)
P22.12/J22.12
NC
Not Connected
P22.13/J22.13
DOUT
Audio Serial Data Bus Data Output (Output)
P22.14/J22.14
NC
Not Connected
P22.15/J22.15
NC
Not Connected
P22.16/J22.16
NC
Not Connected
P22.17/J22.17
MCLK
Master Clock Input
P22.18/J22.18
DGND
Digital Ground
P22.19/J22.19
NC
Not Connected
P22.20/J22.20
NC
Not Connected
EVM Connector Descriptions
SLAU331A – January 2011 – Revised October 2012
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Power Supply Connector Pin Header, P23/J23
www.ti.com
Note that P22/J22 comprises the signals needed for an I2S™ serial digital audio interface; the control
interface ( I2C™ and RESET) signals are routed to P12/J12.
A.3
Power Supply Connector Pin Header, P23/J23
P23/J23 provides connection to the common power bus for the PCM3070EVM. Power is supplied on the
pins listed in Table 6.
Table 6. Power Supply Pinout
SIGNAL
PIN NUMBER
SIGNAL
NC P23.1/J23.1
P23.2/J23.2 NC
+5VA P23.3/J23.3
P23.4/J23.4 NC
DGND P23.5/J23.5
P23.6/J23.6 AGND
+1.8VD P23.7/J23.7
P23.8/J23.8 NC
+3.3VD P23.9/J23.9
P23.10/J23.10 +5VD
The PCM3070EVM-K motherboard (the USB-MODEVM Interface board) supplies power to P23/J23 of the
PCM3070EVM. Power for the motherboard is supplied either through its USB connection or via terminal
blocks on that board.
SLAU331A – January 2011 – Revised October 2012
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EVM Connector Descriptions
23
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Appendix B PCM3070EVM Schematic
The schematic diagram for the PCM3070EVM is provided as a reference.
Figure 13. PCM3070EVM Schematic, Sheet 1
24
PCM3070EVM Schematic
SLAU331A – January 2011 – Revised October 2012
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Appendix B
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Figure 14. PCM3070EVM Schematic, Sheet 2
SLAU331A – January 2011 – Revised October 2012
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PCM3070EVM Schematic
25
Appendix B
www.ti.com
GPIO
RESETI
LDO_SELECT
DVDD
DVSS
HPR
HPVDD
HPL
GPIO
RESETI
LDO_SELECT
SCL/SS
SDA/MOSI
MISO
SCL/SS
SDA/MOSI
MISO
SPISELECT
DVDD
IN1_R
IN1_R
DVSS
IN1_R
IN1_R
HPR
IN2_R
IN2_R
HPVDD
IN2_R
IN2_R
HPL
SPISELECT
Figure 15. PCM3070EVM Schematic, Sheet 3
26
PCM3070EVM Schematic
SLAU331A – January 2011 – Revised October 2012
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Appendix C PCM3070EVM Bill of Materials
The complete bill of materials for the PCM3070EVM is provided as a reference.
Table 7. PCM3070EVM Bill of Materials
PCB
Qty
Value
1
Ref Des
Description
Vendor
N/A
PCM3070_RHB_EVM_RevA (PCB)
Texas Instruments
Part Number
RESISTORS
Qty
Value
Ref Des
Description
Vendor
Part Number
2
0
R11, R12
RES ZERO OHM 1/4W 5% 1206 S.D.
Panasonic
EJ-8GEY0R00V
12
0
R13, R14, R15, R16, R17, R18, R19, R20, R21,
R22, R23, R24
RES ZERO OHM 1/10W 5% 0603 S.D.
Panasonic
EJ-3GEY0R00V
1
2
R38
RESISTOR 2.0 OHM 1/4W 5% 1206
Panasonic
EJ-8GEYJ2R0V
1
10
R37
RES 10 OHM 1/4W 5% 1206 S.D.
Panasonic
EJ-8GEYJ100V
2
16
R29, R30
RES 16 OHM 1W 5% 2512 S.D.
Panasonic
EJ-1TYJ160U
1
47
R41
RES 47 OHM 1/10W 5% 0603 S.D.
Panasonic
EJ-3GEYJ470V
4
100
R7, R8, R9, R10
RES 100 OHM 1/10W 1% 0603 S.D.
Panasonic
EJ-3EKF1000V
1
240
R39
RES 240 OHM 1/10W 5% 0603 S.D.
Panasonic
EJ-3GEYJ241V
1
332
R31
RES 332 OHM 1/10W 1% 0603 SMD
Panasonic
ERJ-3EKF3320V
1
500
R40
TRIMPOT 500 OHM 4MM TOP ADJ SMD
Bourns Inc.
3214W-1-501E
3
1.0K
R1, R5, R6
RES 1.00K OHM 1/10W 1% 0603 SMD
Panasonic
ERJ-3EKF1001V
1
1.2K
R4
RES 1.20K OHM 1/10W 1% 0603 SMD
Panasonic
ERJ-3EKF1201V
1
2.2K
R3
RES 2.2K OHM 1/10W 5% 0603 SMD
Panasonic
ERJ-3GEYJ222V
3
2.7K
R34, R35, R36
RES 2.7K OHM 1/10W 5% 0603 SMD
Panasonic
ERJ-3GEYJ272V
4
4.7K
R25, R26, R27, R28
RES 4.7K OHM 1/10W 5% 0603 SMD
Panasonic
ERJ-3GEYJ472V
2
10K
R32, R33
RES 10K OHM 1/10W 5% 0603 SMD
Panasonic
ERJ-3GEYJ103V
1
100K
R2
RES 100K OHM 1/10W 1% 0603 SMD
Panasonic
ERJ-3EKF1003V
CAPACITORS
Qty
Value
Ref Des
Description
Vendor
Part Number
4
47000pF
C17, C18, C19, C20
CAP CER 47000PF 50V X7R 10% 0603
TDK Corporation
C1608X7R1H473
K
5
0.1uF
C26, C27, C28, C29, C30
CAP CER .10UF 6.3V X5R 10% 0402
TDK Corporation
C1005X5R0J104K
3
0.1uF
C23, C24, C25
CAP CER .1UF 25V X7R 0603
TDK Corporation
C1608X7R1E104K
4
0.1uF
C41, C42, C43, C44
CAP .1UF 25V CERAMIC X7R 0805
Panasonic
ECJ-2VB1E104K
6
0.47uF
C1, C2, C3, C4, C6, C7
CAP CER .47UF 10V X5R 10% 0603
Panasonic
C1608X5R1A474K
2
1.0uF
C15, C16
CAP CERAMIC 1UF 10V X5R 0603
Panasonic
ECJ-BVB1A105K
2
10uF
C31, C32
CAP CERAMIC 10UF 6.3V X5R 0603
Panasonic
ECJ-1VB0J106M
3
10uF
C38, C39, C40
CAP CERAMIC 10UF 10V X5R 0805
Panasonic
ECJ-2FB1A106K
3
22uF
C33, C34, C35
CAP CER 22UF 6.3V X5R 20% 0805
TDK Corporation
C2012X5R0J226M
5
47uF
C5, C21, C22, C36, C37
CAP CER 47UF 10V X5R 1210
Murata
GRM32ER61A476
KE20L
2
no value not
installed
C10, C11
CAP 0603
N/A
N/A
3
no value not
installed
C12, C13, C14
CAP 1206
N/A
N/A
INTEGRATED CIRCUITS
Qty
Ref Des
Description
Vendor
Part Number
1
Value
U1
Audio Codec
Texas Instruments
PCM3070IRHB
1
U2
IC SERIAL EEPROM 64K 2.5V 8-SOIC
MicroChip
24LC64-I/SN
1
U3
Single 2-Input Positive-AND Gate
Texas Instruments
SN74LVC1G08DB
VR
1
U4
Dual 2-Input Positive-NAND Gate
Texas Instruments
SN74LVC2G00DC
TR
SLAU331A – January 2011 – Revised October 2012
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PCM3070EVM Bill of Materials
27
Appendix C
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Table 7. PCM3070EVM Bill of Materials (continued)
1
U5
Single Output LDO, 1.0A, Fixed(1.8V)
Texas Instruments
REG1117A-1.8
1
U6
3-Pin 1.5-A Adjustable Voltage Regulator
Texas Instruments
LM317DCY
MISCELLANEOUS ITEMS
Qty
Ref Des
Description
Vendor
Part Number
1
Value
D1
LED THIN 635NM RED DIFF 0805 SMD
Lumex
SML-LXT0805IWTR
1
MK1
Omnidirectional Microphone Cartridge
Knowles Acoustics MD9745APZ-F
or alternate
Knowles Acoustics MD9745APA-1
2
SW1-SW2
SWITCH SLIDE 4PDT 30V RT ANGLE
E-Switch
EG4208
1
SW3
SWITCH SLIDE SPDT 30V.2A PC MNT
E-Switch
EG1218
5
J2, J3, J4, J6, J8
Screw Terminal Block, 3 Position
On Shore
Technology
ED555/3DS
5
J1, J5, J7, J9, J10
3.5mm Audio Jack, T-R-S, SMD
CUI Inc.
SJ1-3515-SMT
or alternate
KobiConn
161-3335-E
11
not
installed
TP26, TP30, TP31, TP32, TP34, TP35, TP36, TP37,
TP38, TP39, TP40
TEST POINT PC MINI .040"D RED
Keystone
Electronics
5000
29
not
installed
TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9,
TP10, TP11, TP12, TP13, TP14, TP15, TP16, TP17,
TP18, TP19, TP20, TP21, TP22, TP23, TP24, TP25,
TP27, TP28, TP29, TP33
TEST POINT PC MINI .040"D WHITE
Keystone
Electronics
5002
6
TP41, TP42, TP43, TP44, TP45, TP46
TEST POINT PC MULTI PURPOSE BLK
Keystone
Electronics
5011
2
P12, P22
20 Pin SMT Plug Header
Samtec
TSM-110-01-L-DVP
4
J11, J12, J21, J22
20 pin SMT Socket Header
Samtec
SSW-110-22-F-DVS-K
1
P23
10 Pin SMT Plug Header
Samtec
TSM-105-01-L-DVP
1
J23
10 pin SMT Socket Header
Samtec
SSW-105-22-F-DVS-K
14
W2, W3, W4, W5, W6, W7, W9, W10, W11, W12,
W13, W15, W22, W23
2 Pin Thru-hole Plug Header (Jumper), 0
.1" spacing
Samtec
TSW-102-07-L-S
5
W16, W17, W18, W19, W21
Bus Wire (18-22 Gauge)
4
W1, W8, W14, W20
3 Position Jumper , 0 .1" spacing
Samtec
TSW-103-07-L-S
Header Shorting Block
Samtec
SNT-100-BK-T
Installed
Installed per test procedure.
per test
procedure.
ATTENTION: All components must be Rhos compliant. Some part numbers may be either leaded or Rhos. Verify that purchased components are
Rhos compliant.
28
PCM3070EVM Bill of Materials
SLAU331A – January 2011 – Revised October 2012
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Appendix D USB-MODEVM Schematic
The schematic diagram for USB-MODEVM Interface Board is provided as a reference.
USB Interface
USB Interface
Daughtercard Interface
Daughtercard Interface
MCLK
BCLK
LRCLK
I2SDIN
I2SDOUT
MISO
MOSI
SS
SCLK
RESET
INT
PWR_DWN
P3.3
P3.4
P3.5
P1.0
SDA
SCL
P1.1
P1.2
P1.3
MCLK
BCLK
LRCLK
I2SDIN
I2SDOUT
MISO
MOSI
SS
SCLK
RESET
INT
PWR_DWN
P3.3
P3.4
P3.5
P1.0
SDA
SCL
P1.1
P1.2
P1.3
Figure 16. USB-MODEVM Interface Board, Sheet 1
SLAU331A – January 2011 – Revised October 2012
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USB-MODEVM Schematic
29
GREEN
J2
+5VA
10uF
C2
GREEN
R22
390
TP2
+5VA
+5VD
D7
SML-LX0603GW-TR
10uF
C1
2
JPR-2X1
JMP1
1
J1
-5VA
D6
SML-LX0603GW-TR
R21
390
TP1
-5VA
+5VA
A0(+)
A1(+)
A2(+)
A3(+)
A4
A5
A6
A7
REFREF+
2
4
6
8
10
12
14
16
18
20
Copyright © 2011–2012, Texas Instruments Incorporated
A0(+)
A1(+)
A2(+)
A3(+)
A4
A5
A6
A7
REFREF+
DAUGHTER-ANALOG
A0(-)
A1(-)
A2(-)
A3(-)
AGND
AGND
AGND
VCOM
AGND
AGND
J16
J3
+5VD
10uF
C3
2
4
6
8
10
12
14
16
18
20
+5VA
TP5
+5VA
+1.8VD
J16A (TOP) = SAM_TSM-110-01-L-DV-P
J16B (BOTTOM) = SAM_SSW-110-22-F-D-VS-
1
3
5
7
9
11
13
15
17
19
TP3
+5VD
J11A (TOP) = SAM_TSM-110-01-L-DV-P
J11B (BOTTOM) = SAM_SSW-110-22-F-D-VS-
DAUGHTER-ANALOG
A0(-)
A1(-)
A2(-)
A3(-)
AGND
AGND
AGND
VCOM
AGND
AGND
J11
+VA
+5VA
DGND
+1.8VD
+3.3VD
J13
-VA
-5VA
AGND
VD1
+5VD
2
4
6
8
10
J4
+1.8VD
+VA
+5VA
DGND
+1.8VD
+3.3VD
J18
2
-VA
-5VA
AGND
VD1
+5VD
10uF
C4
JMP2
2
4
6
8
10
IOVDD
+5VD
IOVDD
-5VA
J5
+3.3VD
10uF
C5
+3.3VD
TP4
+5VD
-5VA
J18A (TOP) = SAM_TSM-105-01-L-DV-P
J18B (BOTTOM) = SAM_SSW-105-22-F-D-VS-
DAUGHTER-POWER
+3.3VD
1
3
5
7
9
+1.8VD
1
DAUGHTER-POWER
TP7
TP8
AGND
DGND
1
3
5
7
9
J13A (TOP) = SAM_TSM-105-01-L-DV-P
J13B (BOTTOM) = SAM_SSW-105-22-F-D-VS-
GPIO0
DGND
GPIO1
GPIO2
DGND
GPIO3
GPIO4
SCL
DGND
SDA
DAUGHTER-SERIAL
CNTL
CLKX
CLKR
FSX
FSR
DX
DR
INT
TOUT
GPIO5
J12
2
4
6
8
10
12
14
16
18
20
GPIO0
DGND
GPIO1
GPIO2
DGND
GPIO3
GPIO4
SCL
DGND
SDA
DAUGHTER-SERIAL
CNTL
CLKX
CLKR
FSX
FSR
DX
DR
INT
TOUT
GPIO5
J17
2
4
6
8
10
12
14
16
18
20
JMP5
1
2
3
2.7K
R2
2.7K
R1
JMP4
J17A (TOP) = SAM_TSM-110-01-L-DV-P
J17B (BOTTOM) = SAM_SSW-110-22-F-D-VS-
1
3
5
7
9
11
13
15
17
19
JMP3
IOVDD
J12A (TOP) = SAM_TSM-110-01-L-DV-P
J12B (BOTTOM) = SAM_SSW-110-22-F-D-VS-
1
3
5
7
9
11
13
15
17
19
2
1
USB-MODEVM Schematic
2
30
1
1
3
5
7
9
11
13
15
17
19
BCLK
LRCLK
I2SDIN
I2SDOUT
MCLK
SDA
SCL
MOSI
MISO
PWR_DWN
RESET
SS
SCLK
INT
IOVDD
IOVDD
RA2
10k
IOVDD
1
2
3
4
5
6
7
8
9
10
11
12
GATE
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
SN74TVC3010PW
GND
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
U6
24
23
22
21
20
19
18
17
16
15
14
13
200k
R8
200k
R7
200k
R6
C29 +3.3VD
0.1uF
+3.3VD
P3.1-P3.2
P1.3
P1.2
P1.1
P1.0
P3.5
P3.4
P3.3
Appendix D
www.ti.com
Figure 17. USB-MODEVM Interface Board, Sheet 2
SLAU331A – January 2011 – Revised October 2012
Submit Documentation Feedback
2
4
1
3
VREF2
EN
SDA2
SCL2
PCA9306DCT
SDA1
SCL1
GND
VREF1
U11
J9
6VDC-10VDC IN
EXT PWR IN
ED555/2DS
J8
897-30-004-90-000000
GND
D+
DVCC
4
3
2
1
J7 USB SLAVE CONN
4
3
1
2
0.1uF
CUI-STACK PJ102-BH
2.5 MM
SCL
EXTERNAL I2C
J6
SDA
D1
0.1uF
C15 DL4001
0.1uF
7
8
5
6
C31
R23
200k
VIN
VSS
VCC
24LC64I/SN
U2
REG1117-5
C16
0.33uF
3
27.4
R11
27.4
R10
1.5K
R9
8
U1
TP10
C9
0.1uF
4
+3.3VD
TP9
4
3
2
SW1
1
2
C13
47pF
3.3VD ENABLE
1.8VD ENABLE
C6
10uF
GREEN
D3
R14
390
+5VD
C14
47pF
REGULATOR ENABLE
VOUT
R5
2.7K
+3.3VD
R3
2.7K
JMP6
PWR SELECT
1
2
3
C30
5
SDA
6
SCL
A0
A1
A2
1
2
3
WP
7
+3.3VD
R15
10K
.001uF
C21
100pF
C20
X1
R16
10K
+3.3VD
JMP7
JPR-1X3
3.09K
R12
C17
0.33uF
649
R13
6.00 MHZ
MRESET
TP11
XTALO
XTALI
PLLFILI
PLLFILO
MCLKI
PUR
DP
DM
DVSS
DVSS
DVSS
AVSS
10
11
12
3
9
5
6
4
USB MCK
R17
2OUT
2OUT
2RESET
1OUT
1OUT
1RESET
100K
TPS767D318PWP
2EN
2IN
2IN
1GND
2GND
1IN
1IN
1EN
U9
+3.3VD
YELLOW
SML-LX0603YW-TR
D2
USB ACTIVE
46
47
48
1
3
5
6
7
4
16
28
45
33pF
C19
SN74AVC4T245PW
33pF MA-505 6.000M-C0
C18
EXT MCK
1
2
3
44
43
42
41
40
39
37
38
36
35
34
32
18
17
22
24
23
28
C8
10uF
C44
1uF
+3.3VD
10uF
C7
GREEN
0.1uF
U5
1
VCCB VCCA
3
B
A
2
DIR
GND
RED
C11
0.1uF
P3.3
P3.4
P3.5
C36 IOVDD
C37
0.1uF
0.1uF
IOVDD
1
3
2
1
3
2
U7
VCCB VCCA
B
A
DIR
GND
0.1uF
I2SDOUT
LRCLK
BCLK
I2SDIN
MCLK
16
15
14
13
12
11
10
9
6
4
5
10M
IOVDD
R38
4
5
10uF
TPS73201DBV
IN
OUT
EN
GND
FB
C25
U4
1
2
3
4
5
6
7
8
1
3
2
9
10
11
12
13
14
15
16
IOVDD
1.2V
1.4V
1.6V
1.8V
2.0V
2.5V
3.0V
3.3V
2
8
7
6
5
4
3
2
1
IOVDD SELECT
SW3
TP6
2
4
6
8
10
12
C27
GREEN
R24
220
+3.3VD
SML-LX0603GW-TR
4
0.1uF
U16
D8
USB SPI
0.1uF
+3.3VD C39
SN74LVC1G06DBV
IOVDD
0.1uF
+3.3VD C38
IOVDD
0.1uF
IOVDD C26
SN74AVC4T245PW
VCCB VCCA
OE1
DIR1
OE2
DIR2
1B1
1A1
1B2
1A2
2B1
2A1
2B2
2A2
GND
GND
0.1uF
1
3
5
7
9
11
75
R20
EXTERNAL AUDIO DATA
J14
SN74LVC1G126DBV
J10
EXT MCLK
C41
0.1uF
JMP8
JPR-2X1
U15
4
+3.3VD
1
SN74LVC1G125DBV
2
U10
2
SN74AVC1T45DBV
+3.3VD C43
6
4
IOVDD 5
SN74AVC1T45DBV
U14
4
0.1uF
1
C28 +3.3VD
+3.3VD C42
VCCA VCCB
A
B
GND
DIR
U13
C12
0.1uF
+3.3VD
P3.1-P3.2
C10
0.1uF
P1.0
P1.1
P1.2
P1.3
SN74AVC1T45DBV
D5
R4
10
C24
0.1uF
D4
SML-LX0603GW-TR
R19
220
+1.8VD
6
4
IOVDD 5
0.1uF
U8
TAS1020BPFB
31
30
29
27
26
25
24
23
8
21
33
2
VCCB VCCA
OE1
DIR1
OE2
DIR2
1B1
1A1
1B2
1A2
2B1
2A1
2B2
2A2
GND
GND
0.1uF
U3
1
2
3
4
5
6
7
8
C22 IOVDD
SN74AVC4T245PW
+3.3VD C35
C23
16
15
14
13
12
11
10
9
0.1uF
+3.3VD C34
USB I2S
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
DVDD
DVDD
DVDD
AVDD
SCL
SDA
VREN
RESET
MCLKO2
MCLKO1
CSCLK
CDATO
CDATI
CSYNC
CRESET
CSCHNE
MRESET
TEST
EXTEN
RSTO
P3.0
P3.1
P3.2/XINT
P3.3
P3.4
P3.5
NC
NC
9
10
11
12
13
14
15
17
18
19
20
22
5
3
5
3
C33 +3.3VD
SML-LX0603IW-TR
2
1
5
0.1uF
0.1uF
U12
16
1
VCCA VCCB
2
15
DIR1
OE1
3
14
DIR2
OE2
13
4
1A1
1B1
12
5
1A2
1B2
11
6
2A1
2B1
10
7
2A2
2B2
9
8
GND
GND
1
3
5
7
9
11
2
4
6
8
10
12
INT
EXTERNAL SPI
J15
SCLK
SS
MOSI
MISO
RESET
PWR_DWN
52.3k
R37
46.4k
R35
39.2k
R33
32.4k
30.1k
R18
30.9k
R36
36.5k
R34
48.7k
R32
R30
56.2k
R31
R29
28k
R28
76.8k
25.5k
R26
137k
R27
R25
RA1
10K
16
15
14
13
12
11
10
9
4
0.1uF
C40 IOVDD
USB RST
A0
A1
A2
USB I2S
USB MCK
USB SPI
USB RST
EXT MCK
IOVDD
22.1k
+3.3VD
SW2
1
2
3
4
5
6
7
8
SN74AUP1G125DBV
2
U17
SW DIP-8
1
IOVDD
GND
1
Copyright © 2011–2012, Texas Instruments Incorporated
SML-LX0603GW-TR
SLAU331A – January 2011 – Revised October 2012
Submit Documentation Feedback
3
5
3
IOVDD C32
www.ti.com
Appendix D
Figure 18. USB-MODEVM Interface Board, Sheet 3
USB-MODEVM Schematic
31
www.ti.com
Appendix E USB-MODEVM Bill of Materials
The complete bill of materials for USB-MODEVM Interface Board is provided as a reference.
Table 8. USB-MODEVM Bill of Materials
Designators
Description
Manufacturer
Mfg. Part Number
R4
10Ω 1/10W 5% Chip Resistor
Panasonic
ERJ-3GEYJ1300V
R10, R11
27.4Ω 1/16W 1% Chip Resistor
Panasonic
ERJ-3EKF27R4V
R20
75Ω 1/4W 1% Chip Resistor
Panasonic
ERJ-14NF75R0U
R19
220Ω 1/10W 5% Chip Resistor
Panasonic
ERJ-3GEYJ221V
R14, R21, R22
390Ω 1/10W 5% Chip Resistor
Panasonic
ERJ-3GEYJ391V
R13
649Ω 1/16W 1% Chip Resistor
Panasonic
ERJ-3EKF6490V
R9
1.5KΩ 1/10W 5% Chip Resistor
Panasonic
ERJ-3GEYJ1352V
R1–R3, R5–R8
2.7KΩ 1/10W 5% Chip Resistor
Panasonic
ERJ-3GEYJ272V
R12
3.09KΩ 1/16W 1% Chip Resistor
Panasonic
ERJ-3EKF3091V
R15, R16
10KΩ 1/10W 5% Chip Resistor
Panasonic
ERJ-3GEYJ1303V
R17, R18
100kΩ 1/10W 5%Chip Resistor
Panasonic
ERJ-3GEYJ1304V
RA1
10KΩ 1/8W Octal Isolated Resistor Array
CTS Corporation
742C163103JTR
C18, C19
33pF 50V Ceramic Chip Capacitor, ±5%, NPO
TDK
C1608C0G1H330J
C13, C14
47pF 50V Ceramic Chip Capacitor, ±5%, NPO
TDK
C1608C0G1H470J
C20
100pF 50V Ceramic Chip Capacitor, ±5%, NPO
TDK
C1608C0G1H101J
C21
1000pF 50V Ceramic Chip Capacitor, ±5%, NPO
TDK
C1608C0G1H102J
C15
0.1μF 16V Ceramic Chip Capacitor, ±10%, X7R
TDK
C1608X7R1C104K
C16, C17
0.33μF 16V Ceramic Chip Capacitor, ±20%, Y5V
TDK
C1608X5R1C334K
C9–C12, C22–C28
1μF 6.3V Ceramic Chip Capacitor, ±10%, X5R
TDK
C1608X5R0J1305K
C1–C8
10μF 6.3V Ceramic Chip Capacitor, ±10%, X5R
TDK
C3216X5R0J1306K
D1
50V, 1A, Diode MELF SMD
Micro Commercial Components
DL4001
D2
Yellow Light Emitting Diode
Lumex
SML-LX0603YW-TR
D3– D7
Green Light Emitting Diode
Lumex
SML-LX0603GW-TR
D5
Red Light Emitting Diode
Lumex
SML-LX0603IW-TR
Q1, Q2
N-Channel MOSFET
Zetex
ZXMN6A07F
X1
6MHz Crystal SMD
Epson
MA-505 6.000M-C0
U8
USB Streaming Controller
Texas Instruments
TAS1020BPFB
U2
5-V LDO Regulator
Texas Instruments
REG1117-5
U9
3.3-V/1.8-V, Dual-Output LDO Regulator
Texas Instruments
TPS767D318PWP
U3, U4
Quad, 3-State Buffers
Texas Instruments
SN74LVC125APW
U5–U7
Single IC Buffer Driver with Open Drain o/p
Texas Instruments
SN74LVC1G07DBVR
U10
Single 3-State Buffer
Texas Instruments
SN74LVC1G125DBVR
U1
64K 2-Wire Serial EEPROM I2C
Microchip
24LC64I/SN
USB-MODEVM PCB
Texas Instruments
6463995
TP1–TP6, TP9–TP11
Miniature test point terminal
Keystone Electronics
5000
TP7, TP8
Multipurpose test point terminal
Keystone Electronics
5011
J7
USB Type B Slave Connector Thru-Hole
Mill-Max
897-30-004-90-000000
J13, J2–J5, J8
2-position terminal block
On Shore Technology
ED555/2DS
J9
2.5mm power connector
CUI Stack
PJ-102B
J130
BNC connector, female, PC mount
AMP/Tyco
414305-1
J131A, J132A, J21A, J22A
20-pin SMT plug
Samtec
TSM-110-01-L-DV-P
J131B, J132B, J21B, J22B
20-pin SMT socket
Samtec
SSW-110-22-F-D-VS-K
J133A, J23A
10-pin SMT plug
Samtec
TSM-105-01-L-DV-P
J133B, J23B
10-pin SMT socket
Samtec
SSW-105-22-F-D-VS-K
J6
4-pin double row header (2x2) 0.1"
Samtec
TSW-102-07-L-D
J134, J135
12-pin double row header (2x6) 0.1"
Samtec
TSW-106-07-L-D
JMP1–JMP4
2-position jumper, 0.1" spacing
Samtec
TSW-102-07-L-S
32
USB-MODEVM Bill of Materials
SLAU331A – January 2011 – Revised October 2012
Submit Documentation Feedback
Copyright © 2011–2012, Texas Instruments Incorporated
Appendix E
www.ti.com
Table 8. USB-MODEVM Bill of Materials (continued)
Designators
Description
Manufacturer
Mfg. Part Number
JMP8–JMP14
2-position jumper, 0.1" spacing
Samtec
TSW-102-07-L-S
JMP5, JMP6
3-position jumper, 0.1" spacing
Samtec
TSW-103-07-L-S
JMP7
3-position dual row jumper, 0.1" spacing
Samtec
TSW-103-07-L-D
SW1
SMT, half-pitch 2-position switch
C&K Division, ITT
TDA02H0SK1
SW2
SMT, half-pitch 8-position switch
C&K Division, ITT
TDA08H0SK1
Jumper plug
Samtec
SNT-100-BK-T
SLAU331A – January 2011 – Revised October 2012
Submit Documentation Feedback
Copyright © 2011–2012, Texas Instruments Incorporated
USB-MODEVM Bill of Materials
33
www.ti.com
Appendix F USB-MODEVM Protocol
F.1
Writing Scripts
A script is simply a text file that contains data to send to the serial control buses.
Each line in a script file is one command. No provision is made for extending lines beyond one line, except
for the > command. A line is terminated by a carriage return.
The first character of a line is the command. Commands are:
I Set interface bus to use
r Read from the serial control bus
w Write to the serial control bus
> Extend repeated write commands to lines below a w
# Comment
b Break
d Delay
f
Wait for flag
The first command, I, sets the interface to use for the commands to follow. This command must be
followed by one of the following parameters:
i2cstd
i2cfast
spi8
spi16
gpio
Standard mode I2C bus
Fast mode I2C bus
SPI bus with 8-bit register addressing
SPI bus with 16-bit register addressing
Use the USB-MODEVM GPIO capability
For example, if a fast mode I2C bus is to be used, the script begins with:
I i2cfast
A double-quoted string of characters following the b command can be added to provide information to the
user about each breakpoint. When the script is executed, the software's command handler halts as soon
as a breakpoint is detected and displays the string of characters within the double quotes.
The Wait for Flag command, f, reads a specified register and verifies if the bitmap provided with the
command matches the data being read. If the data does not match, the command handler retries for up to
200 times. This feature is useful when switching buffers in parts that support the adaptive filtering mode.
The command f syntax follows:
f [i2c address] [register] [D7][D6][D5][D4][D3][D2][D1][D0]
where 'i2c address' and 'register' are in hexadecimal format and 'D7' through 'D0' are in binary
format with values of 0, 1 or X for don't care.
Anything following a comment command # is ignored by the parser, provided that it is on the same line.
The delay command d allows the user to specify a time, in milliseconds, that the script pauses before
proceeding. The delay time is entered in decimal format.
A series of byte values follows either a read or write command. Each byte value is expressed in
hexadecimal, and each byte must be separated by a space. Commands are interpreted and sent to the
TAS1020B by the program using the protocol described in Section G1 (doesn't exist).
The first byte following an r (read) or w (write) command is the I2C slave address of the device (if I2C is
used) or the first data byte to write (if SPI is used—note that SPI interfaces are not standardized on
protocols, so the meaning of this byte varies with the device being addressed on the SPI bus). The
second byte is the starting register address that data will be written to (again, with I2C; SPI varies—see
Section G1 (doesn't exist) for additional information about what variations may be necessary for a
particular SPI mode). Following these two bytes are data, if writing; if reading, the third byte value is the
number of bytes to read, (expressed in hexadecimal).
34
USB-MODEVM Protocol
SLAU331A – January 2011 – Revised October 2012
Submit Documentation Feedback
Copyright © 2011–2012, Texas Instruments Incorporated
Writing Scripts
www.ti.com
For example, to write the values 0xAA 0x55 to an I2C device with a slave address of 0x30, starting at a
register address of 0x03, the user writes:
#example script
I i2cfast
w 30 03 AA 55
r 30 03 02
This script begins with a comment, specifies that a fast I2C bus will be used, then writes 0xAA 0x55 to the
I2C slave device at address 0x30, writing the values into registers 0x03 and 0x04. The script then reads
back two bytes from the same device starting at register address 0x03. Note that the slave device value
does not change. It is unnecessary to set the R/W bit for I2C devices in the script; the read or write
commands does that.
If extensive repeated write commands are sent and commenting is desired for a group of bytes, the >
command can be used to extend the bytes to other lines that follow. A usage example for the > command
follows:
#example script for '>' command
I i2cfast
# Write AA and BB to registers 3 and 4, respectively
w 30 03 AA BB
# Write CC, DD, EE and FF to registers 5, 6, 7 and 8, respectively
> CC DD EE FF
# Place a commented breakpoint
b "AA BB CC DD EE FF was written, starting at register 3"
# Read back all six registers, starting at register 3
r 30 03 06
The following example demonstrates usage of the Wait for Flag command, f:
#example script for 'wait for flag' command
I i2cfast
# Switch to Page 44
w 30 00 2C
# Switch buffers
w 30 01 05
# Wait for bit D0 to clear. 'x' denotes a don't care.
f 30 01 xxxxxxx0
Any text editor can be used to write these scripts; Jedit is an editor that is highly recommended for general
usage. For more information, go to: http://www.jedit.org.
Once the script is written, it can be used in the command window by running the program, and then
selecting Open Script File... from the File menu. Locate the script and open it. The script is then displayed
in the command buffer. The user can also edit the script once it is in the buffer and save it by selecting
Save Script File... from the File menu.
Once the script is in the command buffer, it can be executed by pressing the Execute Command Buffer
button. If breakpoints are in the script, the script executes to that point, and the user is presented with a
dialog box with a button to press to continue executing the script. When ready to proceed, push that
button and the script continues.
SLAU331A – January 2011 – Revised October 2012
Submit Documentation Feedback
Copyright © 2011–2012, Texas Instruments Incorporated
USB-MODEVM Protocol
35
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This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES
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EVM Warnings and Restrictions
It is important to operate this EVM within the input voltage range of 6 Vdc to 10 Vdc and the output voltage range of 0 V to 3.6 V .
Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are questions
concerning the input range, please contact a TI field representative prior to connecting the input power.
Applying loads outside of the specified output range may result in unintended operation and/or possible permanent damage to the EVM.
Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the load specification,
please contact a TI field representative.
During normal operation, some circuit components may have case temperatures greater than 85°C. The EVM is designed to operate
properly with certain components above 85°C as long as the input and output ranges are maintained. These components include but are
not limited to linear regulators, switching transistors, pass transistors, and current sense resistors. These types of devices can be identified
using the EVM schematic located in the EVM User's Guide. When placing measurement probes near these devices during operation,
please be aware that these devices may be very warm to the touch.
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2012, Texas Instruments Incorporated
IMPORTANT NOTICE
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other
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