User's Guide
SLAU297A – November 2009 – Revised January 2011
TLV320AIC1103/1110EVM-K
This user's guide describes the characteristics, operation, and use of evaluation modules
TLV320AIC1103/1110EVM-K. A complete circuit description, schematic diagram and bill of materials are
also included.
Throughout this document, TLV320AIC11xxEVM refers to TLV320AIC1103/1110EVM-K.
Related documents are available through the Texas Instruments web site at www.ti.com.
Contents
1
EVM Overview ............................................................................................................... 3
2
Analog Interface ............................................................................................................. 3
3
Digital Interface .............................................................................................................. 4
4
Power Supplies .............................................................................................................. 6
5
EVM Operation .............................................................................................................. 6
6
Kit Operation ................................................................................................................. 7
7
EVM Bill of Materials ...................................................................................................... 24
Appendix A
TLV320AIC11xxEVM Schematic ............................................................................... 27
Appendix B
USB-MODEVM Schematic ...................................................................................... 28
List of Figures
1
TLV320AIC11xxEVM-K Block Diagram .................................................................................. 8
2
Device Selection Window
3
4
5
6
7
8
9
10
................................................................................................
Default Software Screen ..................................................................................................
Information Tab ............................................................................................................
Sounds and Audio Devices Properties .................................................................................
Preset Configurations .....................................................................................................
Device Controls Tab ......................................................................................................
Command Line Interface Tab ...........................................................................................
File Menu ...................................................................................................................
Help .........................................................................................................................
10
11
12
13
14
15
16
17
17
List of Tables
1
Analog Interface Pinout .................................................................................................... 3
2
Alternate Analog Connectors .............................................................................................. 4
3
Digital Interface Pinout ..................................................................................................... 4
4
Power Supply Pinout ....................................................................................................... 6
5
List of Jumpers .............................................................................................................. 7
6
USB-MODEVM SW2 Settings ............................................................................................. 9
7
USB Control Endpoint HIDSETREPORT Request .................................................................... 17
8
Data Packet Configuration
9
GPIO Pin Assignments ................................................................................................... 21
...............................................................................................
19
SMARTDM is a trademark of Texas Instruments.
I2C is a trademark of Koninklijke Philips Electronics N.V.
Windows is a registered trademark of Microsoft Corporation.
LabView is a trademark of National Instruments.
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1
www.ti.com
2
.................................................................................
........................................................................................
10
TLV320AIC11xxEVM Bill of Materials
24
11
USB-MODEVM Bill of Materials
25
TLV320AIC1103/1110EVM-K
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EVM Overview
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1
EVM Overview
1.1
Features
•
•
•
•
•
•
•
1.2
Full-featured evaluation board for the TLV320AIC11xx audio codec
TLV320AIC11xxEVM-K features USB connectivity for quick and easy setup.
Intuitive evaluation software
Easy interfacing to multiple analog sources
Analog output signals from the TLV320AIC11xx are available on top and bottom connectors.
External microphone jack and electric microphone are included
Digital control signals can be applied directly to top and bottom connectors.
Introduction
The TLV320AIC11xxEVM-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 personal
computer running Microsoft Windows® XP operating systems only. Provisions are made for connecting all
audio inputs and outputs either from the modular connectors or with on-board terminals and external
microphone jack. An on-board electret microphone is also provided.
2
Analog Interface
For maximum flexibility, the TLV320AIC11xxEVM is designed for easy interfacing to multiple analog
sources. 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. These headers/sockets provide access to the analog input
and output pins of the device. Consult Samtec at www.samtec.com or call 1-800-SAMTEC-9 for a variety
of mating connector options. Table 1 summarizes the analog interface pinout for the TLV320AIC11xxEVM.
Table 1. Analog Interface Pinout
PIN NUMBER
SIGNAL
DESCRIPTION
1.01
EAR1ON
DAC Inverting output
1.02
EAR1OP
DAC Noninverting output
1.03
NC
Not Connected
1.04
EAR2O
DAC Single-Ended Output
1.05
NC
Not Connected
1.06
NC
Not Connected
1.07
NC
Not Connected
1.08
NC
Not Connected
1.09
AGND
Analog Ground
1.10
NC
Not Connected
1.11
AGND
Analog Ground
1.12
NC
Not Connected
1.13
AGND
Analog Ground
1.14
NC
Not Connected
1.15
NC
Not Connected
1.16
NC
Not Connected
1.17
AGND
Analog Ground
1.18
NC
Not Connected
1.19
AGND
Analog Ground
1.20
NC
Not Connected
2.01
MIC2N
ADC Inverting Input
2.02
MIC2P
ADC Noninverting Input
2.03
NC
Not Connected
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Table 1. Analog Interface Pinout (continued)
PIN NUMBER
SIGNAL
DESCRIPTION
2.04
NC
Not Connected
2.05
NC
Not Connected
2.06
NC
Not Connected
2.07
MIC1N
ADC Inverting Input
2.08
MIC1P
ADC Noninverting Input
2.09
AGND
Analog Ground
2.10
NC
Not Connected
2.11
AGND
Analog Ground
2.12
NC
Not Connected
2.13
AGND
Analog Ground
2.14
NC
Not Connected
2.15
NC
Not Connected
2.16
NC
Not Connected
2.17
AGND
Analog Ground
2.18
NC
Not Connected
2.19
AGND
Analog Ground
2.20
NC
Not Connected
In addition to the analog headers, the analog inputs and outputs may also be accessed through alternate
connectors, either screw terminals or audio jacks. The microphone input is tied to J9. Table 2 summarizes
the screw terminals available on the TLV320AIC11xxEVM.
Table 2. Alternate Analog Connectors
3
DESIGNATOR
PIN 1
PIN 2
J6
EAR1ON
EAR1OP
J7
EAR2O
AGND
J9
MIC1N
MIC1P
J10
MIC2N
MIC2P
Digital Interface
The TLV320AIC11xxEVM 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. 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 3 summarizes the digital interface pinout for the TLV320AIC11xxEVM.
Table 3. Digital Interface Pinout
4
PIN NUMBER
SIGNAL
DESCRIPTION
J4.1
NC
Not Connected
J4.2
NC
Not Connected
J4.3
NC
Not Connected
J4.4
DGND
Digital Ground
J4.5
NC
Not Connected
J4.6
NC
Not Connected
J4.7
NC
Not Connected
J4.8
RESET
Reset signal input
J4.9
NC
Not Connected
J4.10
DGND
Digital Ground
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Table 3. Digital Interface Pinout (continued)
PIN NUMBER
SIGNAL
DESCRIPTION
J4.11
NC
Not Connected
J4.12
NC
Not Connected
J4.13
NC
Not Connected
J4.14
RESET
Reset signal input
J4.15
NC
Not Connected
J4.16
NC
Not Connected
J4.17
NC
Not Connected
J4.18
DGND
Digital Ground
J4.19
NC
Not Connected
J4.20
NC
Not Connected
J5.1
NC
Not Connected
J5.2
NC
Not Connected
J5.3
SCLK
Audio Serial Data Shift Clock (Input/Output)
J5.4
DGND
Digital Ground
J5.5
NC
Not Connected
J5.6
NC
Not Connected
J5.7
FS_1
Audio Serial Data Bus Frame Sync (Input/Output)
J5.8
NC
Not Connected
J5.9
NC
Not Connected
J5.10
DGND
Digital Ground
J5.11
DIN
Audio Serial Data Bus Data Input (Input)
J5.12
NC
Not Connected
J5.13
DOUT
Audio Serial Data Bus Data Output (Output)
J5.14
NC
Not Connected
J5.15
NC
Not Connected
J5.16
SCL
I2C Serial Clock
J5.17
MCLK
Master Clock Input
J5.18
DGND
Digital Ground
J5.19
NC
Not Connected
J5.20
SDA
I2C Serial Data Input/Output
Note that J5 comprises the signals needed for a SMARTDM™ serial digital audio interface and I2C™
signals. The reset and power down (RESET and PWRDN) signals are routed to J4. I2C™ is actually
routed from the USB-MODEVM to both connectors; however, the codec and EEPROM are only connected
to J5.
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Power Supplies
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Power Supplies
J3 provides connection to the common power bus for the TLV320AIC11xxEVM. Power is supplied on the
pins listed in Table 4.
Table 4. Power Supply Pinout
SIGNAL
PIN NUMBER
SIGNAL
NC J3.1
J3.2
NC
+5VA J3.3
J3.4
NC
DGND J3.5
J3.6
AGND
NC J3.7
J3.8
NC
J3.10
NC
IOVDD (3.3V) J3.9
The TLV320AIC11xxEVM-K motherboard (the USB-MODEVM Interface board) supplies power to J3 of the
TLV320AIC11xxEVM. Power for the motherboard is supplied either through its USB connection or via
terminal blocks on that board.
4.1
Stand-Alone Operation
When used as a stand-alone EVM, power can be applied to J3 directly. The user must be 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
product datasheet before applying power to the EVM.
4.2
USB-MODEVM Interface Power
The USB-MODEVM Interface board can be powered from several different sources:
• USB
• 6VDC–10VDC AC/DC external wall supply (not included)
• Lab power supply
When powered from the USB connection, JMP6 should have a shunt from pins 1–2 (this is the default
factory configuration). When powered from 6V-10VDC, either through the J8 terminal block or the J9
barrel jack, JMP6 should 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 lab supplies are used to provide the individual voltages required by the USB-MODEVM Interface, JMP6
should 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
right-side 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 lights when the power supplies are active.
5
EVM Operation
This section provides information on the analog input and output, digital control, and general operating
conditions for the TLV320AIC11xxEVM.
5.1
Analog Input
The analog input sources can be applied directly to J2 (top or bottom side). The analog inputs may also
be accessed through J8 and screw terminals J9 and J10.
6
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5.2
Analog Output
The analog outputs from the TLV320AIC11xx are available on J1 (top or bottom). They also may be
accessed through J6 or J7.
5.3
Digital Control
The digital control signals can be applied directly to J4 and J5 (top or bottom side). The modular
TLV320AIC11xxEVM can also be connected directly to the USB-MODEVM Interface board included as
part of the TLV320AIC11xxEVM-K.
5.4
Default Jumper Locations
Table 5 lists the jumpers found on the EVM and their respective factory default conditions.
Table 5. List of Jumpers
6
JUMPER
DEFAULT
POSITION
W1
Not Installed Coupling for EAR1. Either directly or via capacitor
W2
Not Installed Coupling for EAR2. Either directly or via capacitor
W3
Installed
Provides a means of measuring AVDD and EARVDD current
W4
Installed
Connects MIC1N to MBIAS through a resistor
W5
Installed
Connects MIC2N to MBIAS through a resistor
W6
Installed
Connects on-board microphone to circuit
W7
Installed
Connects J9 to circuit
W8
Installed
Connects external mic source to ground through a resistor
W9
Installed
Selects on-board EEPROM as firmware source (required)
W10
Installed
Provides a means of measuring DVDD current
W11
Installed
Provides a means of measuring PLLVDD current
W12
1-2
Sets PWRUPSEL mode
W13
Installed
When installed, allows the USB-MODEVM to hardware reset the device under user control
JUMPER DESCRIPTION
Kit Operation
This section provides information on using the TLV320AIC11xxEVM-K, including set up, program
installation, and program usage.
6.1
TLV320AIC11xxEVM-K Block Diagram
A block diagram of the TLV320AIC11xxEVM-K is shown in Figure 1. The evaluation kit consists of two
circuit boards connected together. The motherboard is designated as the USB-MODEVM Interface board,
while the daughtercard is the TLV320AIC11xxEVM described previously in this manual.
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TLV320AIC11xxEVM
TLV320AIC11xx
EVM Position 1
Control Interface
I2C
TAS1020B
USB 8051
Microcontroller
EVM Position 2
USB
SMARTDM
Audio Interface
Figure 1. TLV320AIC11xxEVM-K Block Diagram
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, PCM/ SMARTDM™) externally. The source of these signals is controlled by SW2 on
the USB-MODEVM. Refer to Table 6 for details on the switch settings.
Additionally, SW3 on the USB-MODEVM (IOVDD SELECT) must be set up to 3.3V (SW3 position 1 on,
SW3 positions 2-8 off).
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Table 6. USB-MODEVM SW2 Settings
SW-2 SWITCH
NUMBER
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
Digital Audio Bus Source Selection
ON: Digital Audio Bus connects to TAS1020
OFF: Digital Audio Bus connects to USB-MODEVM J14
5
USB MCK
Digital Audio 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
For use with the TLV320AIC11xxEVM, SW-2 positions 1, 3, 4, 5 and 6 should be set to ON, while SW-2
positions 2, 7 and 8 should be set to OFF.
6.2
Installation
Ensure that the TLV320AIC11xxEVM is installed on the USB-MODEVM Interface board, aligning J1, J2,
J3, J4, J5 with the corresponding connectors on the USB-MODEVM.
Go to www.ti.com and type AIC11xx (where xx corresponds to the device under evaluation) on the
"Search by Part Number" field. Locate the "EVM-K" product folder and download the software. Once
downloaded, unzip and locate the Setup program, and start it. The Setup program will install the
TLV320AIC11xx Evaluation Tool software on your PC.
The NI-VISA Runtime installer is embedded to the TLV320AIC11xx Evaluation Tool installer. This software
allows the program to communicate with the USB-MODEVM.
When the installation completes, click Finish on the TLV320AIC11xx Evaluation Tool installer window. You
may be prompted to restart your computer.
When installation is complete, attach a USB cable from your PC to the USB-MODEVM Interface board. As
configured at the factory, the board will be powered from the USB interface, so the power indicator LEDs
and the 'USB ACTIVE' LED on the USB-MODEVM should light.
The Found New Hardware Wizard will show up on the screen. Select the 'No, not this time' radio button
and click 'Next >'. Select 'Install the software automatically (Recommended)' and click 'Next >'. If the
driver installs correctly the message: 'The wizard has finished installing the software for:
USB-MODEVM' should appear. Click 'Finish'. The USB-MODEVM driver should now be installed. The
device should now appear on the Device Manager as 'NI-VISA USB Devices>USB-MODEVM' and as
'Sound, video and game controllers>USB Audio Device'.
Once the device drivers are installed launch the TLV320AIC11xx Evaluation Tool software on your PC,
located on the computer's desktop or in 'Start>Programs>Texas Instruments'.
The software should automatically find the TLV320AIC11xx, and a screen similar to the one in Figure 2
should appear. Select the appropriate device in this screen.
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Figure 2. Device Selection Window
6.3
USB-MODEVM Interface Board
The simple diagram shown in Figure 1 shows only the basic features of the USB-MODEVM Interface
board. The board is built around a TAS1020B streaming audio USB controller with an 8051-based core.
The board features two positions for modular EVMs, or one double-wide serial modular EVM may be
installed.
Since the TLV320AIC11xxEVM is a double-wide modular EVM, it is installed with connections to both
EVM positions, which connects the TLV320AIC11xx 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 use with the TLV320AIC11xxEVM. To view all the
functions and configuration options available on the USB-MODEVM board, see the USB-MODEVM
Interface Board schematic in Appendix B.
6.4
Program Description
After the TLV320AIC11xxEVM software installation (described in Section 6.2) is complete, evaluation and
development with the TLV320AIC11xx can begin.
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6.5
Indicators and Main Screen Controls
Figure 3. Default Software Screen
Figure 3 illustrates the indicators and the main screen controls near the top of the software screen display,
and a large tabbed interface below. This section discusses the controls above this tabbed section.
At the top left of the screen is an Interface indicator. The TLV320AIC11xx has an I2C interface. The
indicator is lit after the program begins. Below the Interface indicator is the Device Connected indicator.
The TLV320AIC11xx Evaluation Tool detects whether or not the TLV320AIC11xxEVM-K is present. If the
device is unplugged from the USB port or if the device driver is not installed properly, the Device
Connected indicator will turn red. Otherwise, it will turn green.
To the right of the Interface indicator is a group box called Firmware. This box indicates the product
identification of the USB device, so USB-MODEVM should be displayed in the box labeled Located On:.
The version of the firmware appears in the Version box below this.
Indicators on this panel, update only when writing or reading registers, or by pushing the Refresh button.
The Indicator Updates and Control Updates buttons enable/disable updates of indicators and controls,
respectively.
6.6
Information Tab
The information tab (Figure 4) shows information for two TLV320AIC11xxEVM-K hardware configurations.
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The USB-MODEVM Audio Interface Configuration allows audio data and I2C communication between
the host computer and the TLV320AIC11xx. SW2 on the USB-MODEVM must be configured as shown in
the left section of Figure 4.
Figure 4. Information Tab
Additionally, the operating system's audio device must be configured as USB-MODEVM (see Figure 5).
The External Audio Interface Configuration only allows I2C communication between the host computer
and the TLV320AIC11xx. In this configuration, the TLV320AIC11xx can transmit and receive audio data
to/from an external PCM device or DSP. SW2 on the USB-MODEVM must be configured as shown in the
right section of Figure 4.
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Figure 5. Sounds and Audio Devices Properties
6.7
Preset Configurations Tab
The Preset Configurations tab (Figure 6) provides several presets for both the USB-MODEVM Audio
Interface Configuration. Also, there is a TLV320AIC11xx Defaults preset which programs the codec's
default register settings. When a radio button is selected, a detailed description of the preset will appear
on the Preset Configuration Description box. To load a preset to the codec, select the desired preset by
selecting the corresponding radio button and pushing the Load button. At the same time, this will show the
preset's executed commands on the Command Buffer of the Command Line Interface tab (see
Figure 8).
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Figure 6. Preset Configurations
6.8
Device Controls Tab
The Device Controls Tab (Figure 7) contains seven enumerated Control Registers sub tabs with
controls for all registers of the TLV320AIC11xx, a register table at the bottom of the tab, several controls
and an indicator at the right of the tab. The 8-bit I2C Address indicator shows the current I2C address.
The Program Device button, when pushed, programs the register corresponding only to the selected
Control Registers sub tab. The register table holds the current register values in hexadecimal and binary
format. The Register Dump to File button dumps the current register values to a spreadsheet. Please
refer to the respective datasheet for further details on control register content.
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Figure 7. Device Controls Tab
6.9
Command Line Interface Tab
A simple scripting language controls the TAS1020 on the USB-MODEVM from the LabView™-based PC
software. The main program controls, described previously, do nothing more than write a script which is
then handed off to an interpreter that sends the appropriate data to the correct USB endpoint. Because
this system is script-based, provision is made in this tab for the user to view the scripting commands that
are created as the controls are manipulated, as well as load and execute other scripts that have been
written and saved (see Figure 8). This design allows the software to be used as a quick test tool or to help
provide troubleshooting information in the rare event that the user encounters a problem with this EVM.
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Figure 8. Command Line Interface Tab
A script is loaded into the command buffer, either by operating the controls on the other tabs or by loading
a script file or preset.
When executed, either by loading commands from other tabs, loading a preset or pushing the Execute
Command Buffer button, an array containing executed commands will be displayed on the Command
History tab. Additionally, the return packet of data which results from the last command executed will be
displayed in the USB-MODEVM Data Packet tab. The logging function, described below, can be used to
see the results after every executed command.
The File menu (Figure 9) provides some options for working with scripts. The first option, Open Command
File..., loads a command file script into the command buffer. This script can then be executed by pressing
the Execute Command Buffer button.
The second option, Save Command File..., saves the contents of the command buffer into a file.
The third option is Log Script and Results..., which opens a file save dialog box. The user can choose a
location for a log file to be written using the file save dialog. When the Execute Command Buffer button is
pressed, the script will run and the script, along with resulting data read back during the script, will be
saved to the file specified. The log file is a standard text file which can be opened with any text editor, and
looks much like the source script file, but with the additional information of the result of each script
command executed.
The third menu item is a submenu of Recently Opened Files. This list is simply a list of script files that
have previously been opened, allowing fast access to commonly-used script files. The final menu item is
Exit, which terminates the TLV320AIC11xx Evaluation Tool software.
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Figure 9. File Menu
The Options menu provides two settings suitable for command line interface users and for
troubleshooting. These settings allows the user to evaluate the device in its most basic form.
Under the Help menu is an About... menu item (Figure 10) which displays information about the
TLV320AIC11xxEVM software.
Figure 10. Help
The actual USB protocol used as well as instructions on writing scripts are detailed in the following
subsections. While it is not necessary to understand or use either the protocol or the scripts directly,
understanding them may be helpful to some users.
6.9.1
USB-MODEVM Protocol
The USB-MODEVM is defined to be a Vendor-Specific class, and is identified on the PC system as an
NI-VISA device. Because the TAS1020 has several routines in its ROM which are designed for use with
HID-class devices, HID-like structures are used, even though the USB-MODEVM is not an HID-class
device. Data passes from the PC to the TAS1020 using the control endpoint.
Data is sent in an HIDSETREPORT (see Table 7):
Table 7. USB Control Endpoint HIDSETREPORT Request
PART
VALUE
DESCRIPTION
bmRequestType
0x21
00100001
bRequest
0x09
SET_REPORT
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Table 7. USB Control Endpoint HIDSETREPORT Request (continued)
PART
VALUE
DESCRIPTION
wValue
0x00
don't care
wIndex
0x03
HID interface is index 3
wLength
calculated by host
Data
18
TLV320AIC1103/1110EVM-K
Data packet as described below
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The data packet consists of the following bytes, shown in Table 8:
Table 8. Data Packet Configuration
BYTE NUMBER
TYPE
DESCRIPTION
Specifies serial interface and operation. The two values are logically OR'd.
Operation:
0
READ
WRITE
0x00
0x10
GPIO
SPI_16
I2C_FAST
I2C_STD
SPI_8
0x08
0x04
0x02
0x01
0x00
Interface
:
Interface
1
I2C Slave Address
Slave address of I2C device or MSB of 16-bit reg addr for SPI
2
Length
Length of data to write/read (number of bytes)
3
Register address
Address of register for I2C or 8-bit SPI; LSB of 16-bit address for SPI
4..64
Data
Up to 60 data bytes could be written at a time. EP0 maximum length is 64. The return
packet is limited to 42 bytes, so advise only sending 32 bytes at any one time.
Example usage:
Write two bytes (45, A0) to device starting at register 1 of an I2C device with address 80:
[0]
[1]
[2]
[3]
[4]
[5]
0x11
0x80
0x02
0x01
0x45
0xA0
Do the same with a fast mode I2C device:
[0]
[1]
[2]
[3]
[4]
[5]
0x12
0x80
0x02
0x01
0x45
0xA0
In each case, the TAS1020 will return, in an HID interrupt packet, the following:
[0]
interface byte | status
status:
REQ_ERROR 0x80
INTF_ERROR 0x40
REQ_DONE 0x20
[1]
[2]
[3]
[4..60]
for I2C interfaces, the I2C address as sent
for SPI interfaces, the read back data from SPI line for transmission of the corresponding byte
length as sent
for I2C interfaces, the reg address as sent
for SPI interfaces, the read back data from SPI line for transmission of the corresponding byte
echo of data packet sent
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If the command is sent with no problem, the returning byte [0] should be the same as the sent one
logically or'd with 0x20 - in the second example above (fast mode), the returning packet should be:
[0]
[1]
[2]
[3]
[4]
[5]
0x32
0x80
0x02
0x01
0x45
0xA0
If for some reason the interface fails (for example, the I2C device does not acknowledge), it would come
back as:
[0]
[1]
[2]
[3]
[4]
[5]
0x52 --> interface | INTF_ERROR
0x80
0x02
0x01
0x45
0xA0
If the request is malformed, that is, the interface byte (byte [0]) takes on a value which is not described
above, the return packet would be:
[0]
[1]
[2]
[3]
[4]
[5]
0x93 --> 0x13 was sent, which is not valid, so 0x93 is returned
0x80
0x02
0x01
0x45
0xA0
Examples above used writes. Reading is similar:
Read two bytes from device starting at register 1 of an I2C device with address A0:
[0]
[1]
[2]
[3]
0x01
0x80
0x02
0x01
The return packet should be
[0]
[1]
[2]
[3]
[4]
[5]
0x21
0x80
0x02
0x01
0x45
0xA0
assuming that the values we wrote above starting at Register 5 were actually written to the device.
20
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6.9.1.1
GPIO Capability
The USB-MODEVM has seven GPIO lines. The user can access them by specifying the interface to be
0x08, and then using the standard format for packets—but addresses are unnecessary. The GPIO lines
are mapped into one byte (see Table 9):
Table 9. GPIO Pin Assignments
7
6
5
4
3
2
1
0
x
P3.5
P3.4
P3.3
P1.3
P1.2
P1.1
P1.0
Example: write P3.5 to a 0, all others to 1:
[0]
[1]
[2]
[3]
[4]
0x18
0x00
0x01
0x00
0x3F
-->
-->
-->
-->
-->
write, GPIO
this value is ignored
length - ALWAYS a 1
this value is ignored
00111111
The user may also read back from the GPIO to see the state of the pins. Suppose the port pins were
written as in the previous example.
Example: read the GPIO
[0]
[1]
[2]
[3]
0x08
0x00
0x01
0x00
-->
-->
-->
-->
read, GPIO
this value is ignored
length - ALWAYS a 1
this value is ignored
The return packet should be:
[0]
[1]
[2]
[3]
[4]
0x28
0x00
0x01
0x00
0x3F
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6.9.2
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Writing Scripts
A script is simply a text file that contains data to send to the serial control buses. The scripting language is
quite simple, as is the parser for the language. Therefore, the program is not very forgiving about mistakes
made in the source script file, but the formatting of the file is simple. Consequently, mistakes should be
rare.
Each line in a script file is one command. There is no provision for extending lines beyond one line. A line
is terminated by a carriage return.
The first character of a line is the command. Commands are:
I=======
r=======
w=======
#=======
b=======
d=======
Set interface bus to use
Read from the serial control bus
Write to the serial control bus
Comment
Break
Delay
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 would begin with:
I i2cfast
No data follows the break command. Anything following a comment command is ignored by the parser,
provided that it is on the same line. The delay command allows the user to specify a time, in milliseconds,
that the script will pause before proceeding.
NOTE: UNLIKE ALL OTHER NUMBERS USED IN THE SCRIPT COMMANDS, THE DELAY TIME
IS ENTERED IN A DECIMAL FORMAT. Also, note that because of latency in the USB bus
as well as the time it takes the processor on the USB-MODEVM to handle requests, the
delay time may not be precise.
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
TAS1020 by the program using the protocol described in Section 6.9.1.
The first byte following a read or 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 will vary 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 6.9.1 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).
22
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For example, to write the values 0x45 0xA0 to an I2C device with a slave address of 0x80, starting at a
register address of 0x01, one would write:
#example script
I i2cfast
w 80 01 45 A0
r 80 01 02
This script begins with a comment, specifies that a fast I2C bus will be used, then writes 0x45 0xA0 to the
I2C slave device at address 0x80, writing the values into registers 0x01 and 0x02. The script then reads
back two bytes from the same device starting at register address 0x01. Note that the slave device value
does not change. It is not necessary to set the R/W bit for I2C devices in the script; the read or write
commands will do that for the user.
Any text editor may 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 Command File... from the File menu. Locate the script and open it. The script will then be
displayed in the command buffer. The user may also edit the script once it is in the buffer and save it as
specified in Section 6.9.
Once the script is in the command buffer, it may be executed by pressing the Execute Command Buffer
button. If the user has placed breakpoints in the script, it will execute to that point, and a dialog box will
show up with a continue button to continue executing the script.
Please refer to sections 3.1 (Power Down and Reset) and section 3.2 (AIC12 Control Register
Programming Procedures) on the TLV320AIC12/13/14/15 Codec Operating In Stand-Alone Slave Mode
application note for important details on programming the codec.
Special care must be taken when writing subregisters (4A-4B and 5A-5D).
Example: w 80 01 45 A0 01 20 B8 00
The previous command writes registers 1, 2, 3, 4A, 5C and 6. It will not increment from 3 to 4A and
then to 4B. The subregister to be written will depend on the data.
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EVM Bill of Materials
7
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EVM Bill of Materials
Table 10 and Table 11 contain a complete bill of materials for the modular TLV320AIC11xxEVM and the
USB-MODEVM Interface Board.
Table 10. TLV320AIC11xxEVM Bill of Materials
REFERENCE DESIGNATOR
DESCRIPTION
MANUFACTURER
MFG PART NUMBER
R9
RES ZERO OHM 1/10W 5%
0603 SMD
Panasonic
ERJ-3GEY0R00V
R5, R6, R7, R10
RES 10K OHM 1/10W 5% 0603
SMD
Panasonic
ERJ-3GEYJ103V
R8
RES 47K OHM 1/10W 5% 0603
SMD
Panasonic
ERJ-6GEYJ473V
R2
RES 100K OHM 1/10W 5% 0603 Panasonic
SMD
ERJ-3GEYJ104V
R1, R3, R4
RES 2K OHM 1/10W 5% 0603
SMD
Panasonic
ERJ-3GEYJ202V
C4, C9, C11
CAP CER .10µF 6.3V X5R 10%
0402
TDK Corporation
C1005X5R0J104K
C1, C2, C13, C14, C15, C17
CAP CER .1µF 25V X7R 0603
TDK Corporation
C1608X7R1E104K
C3, C10, C12
CAP CERAMIC 10µF 6.3V X5R
0603
Panasonic
ECJ-1VB0J106M
C16, C18
CAP CER 10µF 16V X5R 20%
1206
TDK Corporation
C3216X5R0J106M
C5, C6, C7, C8
CAP CER 47µF 10V X5R 1210
Murata
GRM32ER61A476KE20L
U1
Audio Codec 3.3V
Texas Instruments
TLV320AIC1110
U2
LDO Voltage Regulator
Texas Instruments
REG1117-3.3
U3
64K I2C EEPROM
MicroChip
24AA64-I/SN
U4
D-Type Flip-Flop
Texas Instruments
SN74AUP1G74
J6, J7, J8, J10
Screw Terminal Block, 2 Position
On Shore Technology
ED555/2DS
J9
3.5mm Audio Jack, T-R-S, SMD
CUI Inc. / KobiConn
SJ1-3515-SMT / 161-3335-E
J1A, J2A, J4A, J5A
20 Pin SMT Plug
Samtec
TSM-110-01-L-DV-P
J1B, J2B, J4B, J5B
20 pin SMT Socket
Samtec
SSW-110-22-F-D-VS-K
J3A
10 Pin SMT Plug
Samtec
TSM-105-01-L-DV-P
J3B
10 pin SMT Socket
Samtec
SSW-105-22-F-D-VS-K
W1, W2, W4, W5, W6-W9, W13
2 Position Jumper , 0 .1" spacing
Samtec
TSW-102-07-L-S
W3, W10, W11
Bus Wire (18-22 Gauge)
W12
3 Position Jumper , 0 .1" spacing
Samtec
TSW-103-07-L-S
MK1
Omnidirectional Microphone
Cartridge or alternate
Knowles Acoustics / Knowles
Acoustics
MD9745APZ-F / MD9745APA-1
SW1
SWITCH LT TOUCH 6X3.5
240GF SMD
Panasonic
EVQ-PJU04K
TP1 -TP17
TEST POINT PC MINI .040"D
RED
Keystone Electronics
5000
TP18-TP21
TEST POINT PC MINI .040"D
BLACK
Keystone Electronics
5001
24
TLV320AIC1103/1110EVM-K
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Table 11. USB-MODEVM Bill of Materials
Designators
Description
Manufacturer
Mfg. Part Number
R4
10Ω 1/10W 5% chip resistor
Panasonic
ERJ-3GEYJ100V
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-3GEYJ152V
R1, R2, R3, R5, R6, R7, 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-3GEYJ103V
R17, R18
100kΩ 1/10W 5%
chip resistor
Panasonic
ERJ-3GEYJ104V
RA1
10kΩ 1/8W Octal isolated resistor CTS Corporation
array
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
0.1mF 16V ceramic
chip capacitor, ±10%,X7R
TDK
C1608X7R1C104K
C16, C17
0.33mF 16V ceramic
chip capacitor, ±20%,Y5V
TDK
C1608X5R1C334K
C9, C10, C11, C12, C22, C23,
C24, C25, C26, C27, C28
1mF 6.3V ceramic
chip capacitor, ±10%, X5R
TDK
C1608X5R0J105K
C1, C2, C3, C4, C5, C6, C7, C8
10mF 6.3V ceramic
chip capacitor, ±10%, X5R
TDK
C3216X5R0J106K
D1
50V, 1A, Diode MELF SMD
Micro Commercial Components
DL4001
D2
Yellow Light Emitting Diode
Lumex
SML-LX0603YW-TR
D3, D4, D6, 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
5V LDO regulator
Texas Instruments
REG1117-5
U9
3.3V/1.8V dual output
LDO regulator
Texas Instruments
TPS767D318PWP
U3, U4
Quad, 3-state buffers
Texas Instruments
SN74LVC125APW
U5, U6, U7
Single IC buffer driver with open
drain o/p
Texas Instruments
SN74LVC1G07DBVR
U10
Single 3-state buffer
Texas Instruments
SN74LVC1G125DBVR
64K 2-Wire serial EEPROM I C
Microchip
24LC64I/SN
USB-MODEVM PCB
Texas Instruments
6463995
Miniature test point terminal
Keystone Electronics
5000
U1
TP1, TP2, TP3, TP4, TP5, TP6,
TP9, TP10, TP11
2
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EVM Bill of Materials
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Table 11. USB-MODEVM Bill of Materials (continued)
Designators
Description
Manufacturer
Mfg. Part Number
TP7, TP8
Multipurpose test point
terminal
Keystone Electronics
5011
J7
USB type B slave connector
thru-hole
Mill-Max
897-30-004-90-000000
J1, J2, J3, J4, J5, J8
2-position terminal block
On Shore Technology
ED555/2DS
J9
2.5mm power connector
CUI Stack
PJ-102B
J10
BNC connector, female,
PC mount
AMP/Tyco
414305-1
J11A, J12A, J21A, J22A
20-pin SMT plug
Samtec
TSM-110-01-L-DV-P
J11B, J12B, J21B, J22B
20-pin SMT socket
Samtec
SSW-110-22-F-D-VS-K
J13A, J23A
10-pin SMT plug
Samtec
TSM-105-01-L-DV-P
J13B, 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
J14, J15
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
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
26
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Appendix A TLV320AIC11xxEVM Schematic
The schematic diagram is provided as a reference.
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TLV320AIC11xxEVM Schematic
27
TP15
TP1
J6
W1
J6
R10
TP2
C1
C9
C10
W11
TP3
W2
C3
U4
C4
J7
C2
W3
C15
SW1
J7
C14
R1
TP22
TP5
TP14
TP4
R8
TP26
U1
C5
W4
R2
TP27
J8
TP6
C6
W12
TP13
J8
TP7
R3
TP12
TP11
TP10
TP23
J9
TP24
C11
C12
TP25
W6
W7
W5
W10
R7
TP9
R6
TP8
MK1
C7
U3
J10
C8
R5
C13
J10
U2
TP16
TP17
TP18 TP19
W8
R4
TP20 TP21
R9
C16
C17
C18
W9
J1A
J1B
J4A
J4B
W13
J2A
J2B
J5A
J3A
J3B
J5B
www.ti.com
Appendix B USB-MODEVM Schematic
The schematic diagram is provided as a reference.
28
USB-MODEVM Schematic
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1
2
3
4
6
5
REVISION HISTORY
REV
ENGINEERING CHANGE NUMBER
APPROVED
D
D
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
C
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
C
B
B
ti
A
DATA ACQUISITION PRODUCTS
HIGH-PERFORMANCE ANALOG DIVISION
SEMICONDUCTOR GROUP
6730 SOUTH TUCSON BLVD., TUCSON, AZ 85706 USA
TITLE
ENGINEER FRYE D. ZERKETTS
untitled
DRAWN BY I. C. SPOTTS
DOCUMENT CONTROL NO.1234567
SHEET 1
1
2
3
4
5
OF
1
FILE
SIZE B
DATE dd MMM yyyy
???
6
REV A
A
1
2
3
4
6
5
REVISION HISTORY
REV
ENGINEERING CHANGE NUMBER
APPROVED
D
1
2
3
D
J11
J12
A0(-)
A1(-)
A2(-)
A3(-)
AGND
AGND
AGND
VCOM
AGND
AGND
2
4
6
8
10
12
14
16
18
20
A0(+)
A1(+)
A2(+)
A3(+)
A4
A5
A6
A7
REFREF+
1
3
5
7
9
11
13
15
17
19
+5VA
DAUGHTER-ANALOG
1
3
5
7
9
+5VD
JMP1
1
-VA
-5VA
AGND
VD1
+5VD
SCLK
TP1
TP2
J12A (TOP) = SAM_TSM-110-01-L-DV-P
J12B (BOTTOM) = SAM_SSW-110-22-F-D-VSIOVDD
+5VD
RESET
IOVDD
IOVDD
C3
TP3
PWR_DWN
2
JMP3
R21
390
2.7K
J2
+5VA
D6
SML-LX0603GW-TR
D7
SML-LX0603GW-TR
GREEN
GREEN
J3
+5VD
P3.3
P3.4
P3.5
P1.0
C
P1.1
P1.2
P1.3
P3.1-P3.2
R7
200k
+3.3VD
R8
R1
R22
390
J1
-5VA
GATE
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
INT
MOSI
1
+3.3VD
GND
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
24
23
22
21
20
19
18
17
16
15
14
13
SN74TVC3010PW
MISO
10uF
1
10uF
R6
U6
1
2
3
4
5
6
7
8
9
10
11
12
JMP4
TP4
10uF
IOVDD
SS
+5VD
C2
0.1uF
2
+5VA
C29 +3.3VD
RA2
10k
DAUGHTER-SERIAL
JMP2
C1
IOVDD
-5VA
2
4
6
8
10
DAUGHTER-POWER
TP7
TP8
AGND
DGND
1
-5VA
JMP5
2
4
6
8
10
12
14
16
18
20
200k
+VA
+5VA
DGND
+1.8VD
+3.3VD
2
JPR-2X1
C
GPIO0
DGND
GPIO1
GPIO2
DGND
GPIO3
GPIO4
SCL
DGND
SDA
J13
J11A (TOP) = SAM_TSM-110-01-L-DV-P
J11B (BOTTOM) = SAM_SSW-110-22-F-D-VS+5VA
J13A (TOP) = SAM_TSM-105-01-L-DV-P
J13B (BOTTOM) = SAM_SSW-105-22-F-D-VS-
CNTL
CLKX
CLKR
FSX
FSR
DX
DR
INT
TOUT
GPIO5
2
1
3
5
7
9
11
13
15
17
19
SCL
200k
R2
TP5
+1.8VD
C4
C5
10uF
10uF
2.7K
SDA
MCLK
I2SDOUT
J4
+1.8VD
J5
+3.3VD
I2SDIN
LRCLK
BCLK
J16
1
3
5
7
9
11
13
15
17
19
B
A0(-)
A1(-)
A2(-)
A3(-)
AGND
AGND
AGND
VCOM
AGND
AGND
J17
2
4
6
8
10
12
14
16
18
20
A0(+)
A1(+)
A2(+)
A3(+)
A4
A5
A6
A7
REFREF+
1
3
5
7
9
11
13
15
17
19
+5VA
CNTL
CLKX
CLKR
FSX
FSR
DX
DR
INT
TOUT
GPIO5
GPIO0
DGND
GPIO1
GPIO2
DGND
GPIO3
GPIO4
SCL
DGND
SDA
2
4
6
8
10
12
14
16
18
20
B
DAUGHTER-SERIAL
DAUGHTER-ANALOG
J18
J16A (TOP) = SAM_TSM-110-01-L-DV-P
J16B (BOTTOM) = SAM_SSW-110-22-F-D-VS-
+1.8VD
1
3
5
7
9
+VA
+5VA
DGND
+1.8VD
+3.3VD
-VA
-5VA
AGND
VD1
+5VD
2
4
6
8
10
-5VA
J17A (TOP) = SAM_TSM-110-01-L-DV-P
J17B (BOTTOM) = SAM_SSW-110-22-F-D-VS-
DAUGHTER-POWER
+3.3VD
+5VD
IOVDD
ti
J18A (TOP) = SAM_TSM-105-01-L-DV-P
J18B (BOTTOM) = SAM_SSW-105-22-F-D-VS-
A
DATA ACQUISITION PRODUCTS
A
HIGH-PERFORMANCE ANALOG DIVISION
SEMICONDUCTOR GROUP
6730 SOUTH TUCSON BLVD., TUCSON, AZ 85706 USA
TITLE
ENGINEER RICK DOWNS
USB-MODEVM INTERFACE
DRAWN BY ROBERT BENJAMIN
DOCUMENT CONTROL NO.6463996
SHEET 2
1
2
3
4
5
OF
2
FILE
SIZE B
DATE 3-Apr-2007
REV D
C:\01_TI\designs\USB_MODEVM\usb-modevm_revD\USB Motherboard - ModEvm.ddb - Documents\SCH\Daughtercard Interface
6
1
2
3
4
6
5
REVISION HISTORY
REV
C33 +3.3VD
+3.3VD
APPROVED
C41
0.1uF
5
1
IOVDD C32
ENGINEERING CHANGE NUMBER
SDA
C31
U11
VREF1
J6
1
3
SDA1
SCL1
GND
EXTERNAL I2C
0.1uF
0.1uF
USB I2S
SN74AVC4T245PW
PCA9306DCT
+3.3VD
5
VCCB VCCA
OE1
DIR1
OE2
DIR2
1B1
1A1
1B2
1A2
2B1
2A1
2B2
2A2
GND
GND
0.1uF
SCL
C19
C
C20
J7 USB SLAVE CONN
46
47
48
1
3
5
6
7
4
16
28
45
100pF
GND
D+
DVCC
4
3
2
1
C21
R9
1.5K
R12
3.09K
.001uF
R10
27.4
897-30-004-90-000000
R11
C14
47pF
1
2
3
C13
47pF
27.4
XTALO
XTALI
PLLFILI
PLLFILO
MCLKI
PUR
DP
DM
DVSS
DVSS
DVSS
AVSS
75
I2SDIN
BCLK
LRCLK
IOVDD
J14
I2SDOUT
1
3
5
7
9
11
0.1uF
U5
1
VCCB VCCA
3
B
A
2
DIR
GND
PWR_DWN
IOVDD C26
C
U7
6
4
IOVDD 5
31
30
29
27
26
25
24
23
8
21
33
2
VCCB VCCA
B
A
DIR
GND
0.1uF
MOSI
16
15
14
13
12
11
10
9
P1.0
+3.3VD
C11
0.1uF
C12
0.1uF
R13
C27
VCCB VCCA
OE1
DIR1
OE2
DIR2
1B1
1A1
1B2
1A2
2B1
2A1
2B2
2A2
GND
GND
J15
1
2
3
4
5
6
7
8
0.1uF
1
3
5
7
9
11
2
4
6
8
10
12
EXTERNAL SPI
SN74AVC4T245PW
INT
USB SPI
P3.5
D2
P3.4
SML-LX0603YW-TR
YELLOW
P3.1-P3.2
R17
+3.3VD
100K
C36 IOVDD
C44
1uF
SML-LX0603GW-TR
+5VD
JMP6
PWR SELECT
6VDC-10VDC IN
CUI-STACK PJ102-BH
2.5 MM
GREEN
3
9
3
C16
0.33uF
VIN
GND
U2
REG1117-5
D1
C15 DL4001
0.1uF
U9
5
6
4
2
VOUT
C6
10uF
R15
10K
10
11
12
R16
10K
SW1
1
2
4
3
1IN
1IN
1EN
1GND
2GND
2EN
2IN
2IN
1RESET
1OUT
1OUT
2RESET
2OUT
2OUT
TPS767D318PWP
3.3VD ENABLE
1.8VD ENABLE
R4
10
C7
28
10uF
24
23
22
+3.3VD
18
17
10uF
IOVDD
2
D8
4
SN74LVC1G06DBV
IOVDD
0.1uF
U16
GREEN
SML-LX0603GW-TR
TP6
R25
R26
22.1k
137k
R27
R28
25.5k
76.8k
R29
R30
28k
56.2k
R31
R32
32.4k
48.7k
R33
R34
39.2k
36.5k
R35
R36
46.4k
30.9k
R37
R18
52.3k
30.1k
1
3
2
RED
C37
0.1uF
IN
OUT
EN
GND
FB
TPS73201DBV
R19
220
C8
10uF
IOVDD
R38
10M
5
SW3
4
1.2V
1.4V
1.6V
1.8V
2.0V
2.5V
3.0V
3.3V
9
10
11
12
13
14
15
16
8
7
6
5
4
3
2
1
ti
DATA ACQUISITION PRODUCTS
IOVDD SELECT
6730 SOUTH TUCSON BLVD., TUCSON, AZ 85706 USA
GREEN
TITLE
ENGINEER RICK DOWNS
USB-MODEVM INTERFACE
DRAWN BYROBERT BENJAMIN
DOCUMENT CONTROL NO.6463996
SHEET 1
2
3
A
HIGH PERFORMANCE ANALOG DIVISION
SEMICONDUCTOR GROUP
REGULATOR ENABLE
1
B
U14
D5
D4
SML-LX0603GW-TR
C17
0.33uF
R24
220
0.1uF
C25
1
J9
6
4
5
VCCA VCCB
A
B
GND
DIR
SN74AVC1T45DBV
SML-LX0603IW-TR
1
2
3
EXT PWR IN
1
3
2
+1.8VD
D3
+3.3VD C39
U13
0.1uF
R14
390
+3.3VD C38
5
+3.3VD
P3.3
3
649
ED555/2DS
SN74AUP1G125DBV
2
4
IOVDD
U4
P1.1
U17
0.1uF
RESET
0.1uF
C10
0.1uF
C40 IOVDD
SS
SN74AVC1T45DBV
+3.3VD C43
P1.2
C24
0.1uF
USB RST
MISO
1
3
2
SCLK
P1.3
USB ACTIVE
A
SW DIP-8
MRESET
+3.3VD
J8
1
2
3
4
5
6
7
8
0.1uF
TP11
B
16
15
14
13
12
11
10
9
2
4
6
8
10
12
EXTERNAL AUDIO DATA
+3.3VD C42
9
10
11
12
13
14
15
17
18
19
20
22
JMP7
JPR-1X3
SW2
A0
A1
A2
USB I2S
USB MCK
USB SPI
USB RST
EXT MCK
R20
MCLK
U8
TAS1020BPFB
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
DVDD
DVDD
DVDD
AVDD
RA1
10K
JMP8
JPR-2X1
SN74LVC1G125DBV
SN74AVC1T45DBV
33pF
6.00 MHZ
D
IOVDD
2
44
43
42
41
40
39
37
38
36
35
34
32
33pF MA-505 6.000M-C0
SCL
SDA
VREN
RESET
MCLKO2
MCLKO1
CSCLK
CDATO
CDATI
CSYNC
CRESET
CSCHNE
24LC64I/SN
X1
C18
6
4
IOVDD 5
MRESET
TEST
EXTEN
RSTO
P3.0
P3.1
P3.2/XINT
P3.3
P3.4
P3.5
NC
NC
VSS
1
2
3
C9
0.1uF
4
A0
A1
A2
VCC
0.1uF
WP
8
+3.3VD
SN74LVC1G126DBV
J10
EXT MCLK
U10
4
U1
SDA
SCL
16
15
14
13
12
11
10
9
SN74AVC4T245PW
+3.3VD C35
C23
TP10
7
2
4
4
3
1
VREF2
EN
SDA2
SCL2
7
8
5
6
USB MCK
6
2
0.1uF
U3
1
2
3
4
5
6
7
8
U15
4
2
1
TP9
R5
2.7K
C28 +3.3VD
5
R3
2.7K
C22 IOVDD
3
EXT MCK
R23
200k
0.1uF
+3.3VD C34
16
15
14
13
12
11
10
9
2
C30
0.1uF
VCCA VCCB
DIR1
OE1
DIR2
OE2
1A1
1B1
1A2
1B2
2A1
2B1
2A2
2B2
GND
GND
1
1
2
3
4
5
6
7
8
3
+3.3VD
1
+3.3VD
5
IOVDD
3
0.1uF
U12
D
4
5
OF
2
FILE
SIZE B
DATE 3-Apr-2007
REV D
C:\01_TI\designs\USB_MODEVM\usb-modevm_revD\USB Motherboard - ModEvm.ddb - Documents\SCH\USB Interface
6
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