AM437x GP EVM Hardware User's Guide
Verified Design
Literature Number: SPRUHW7
June 2014
Verified Design
SPRUHW7 – June 2014
AM437x GP EVM Hardware User's Guide
Lawrence Ronk
An IMPORTANT NOTICE at the end of this TI reference design addresses authorized use, intellectual property matters and other
important disclaimers and information.
1
Introduction
This document describes the hardware architecture of the AM437x Evaluation Module (EVM) (part number
TMDXEVM437X), which is based on the Texas Instruments (TI) AM437x processor. This EVM is also
commonly known as the AM437x General Purpose (GP) EVM.
1.1
Description
The AM437x GP EVM is a standalone test, development, and evaluation module system that enables
developers to write software and develop hardware around an AM437x processor subsystem. The main
elements of the AM437x subsystem are already available on the base board of the EVM, which gives
developers the basic resources needed for most general purpose type projects that encompass the
AM437x as the main processor. Furthermore, additional, "typical-type" peripherals are built into the EVM,
such as memory, sensors, LCD, Ethernet physical layer (PHY), and so on, so that prospective systems
can be modeled quickly without significant additional hardware resources.
The following sections give more details regarding the EVM.
1.2
System View
The system view of the AM437x GP EVM consists of the main board and the camera board. See Figure 1
and Figure 2 of the EVM.
Figure 1. AM437x GP EVM Top View
2
Figure 2. AM437x GP EVM Bottom View
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2
Functional Blocks Description
The complete AM437x GP EVM is contained mostly within a single board. The GP EVM can also have a
camera and wireless board.
Figure 3. AM437x EVM System Block Diagram
2.1
Processor
The AM437x processor is the central processor to this EVM. All the resources on the board surround the
AM437x processor to provide development capabilities for hardware and software. See the AM437x data
sheet and TRM for the details about the processor.
System configuration signals (sysboot0 to 18) can be set on the EVM using resistors and switches to
define some startup parameters on the AM437x processor. See Section 4 for more details.
2.2
Clocks
The EVM has several clocks to support the AM437x processor. The main clock for the processor is
derived from a 24-MHz crystal. AM437x generates the base clock and subsequent module clocks as
needed within the AM437x processor. A 32-kHz clock for the RTC on the AM437x is derived from a
32.768-kHz crystal on the board.
2.3
Reset Signals
SYS_RESETn is a reset signal running to several peripherals and AM437x which performs a reset on
those peripherals. SYS_RESETn is asserted by the push-button and is used to force a reset of the
AM437x and the other peripherals. AM437x can also pull down the RESET_INOUTn signal to cause the
SYS_RESETn line to activate. The power-on reset to the processor is driven from the power good signal
of the power manager. Also, a reset push-button is provided for the power on reset of the board.
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Functional Blocks Description
2.4
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DDR3 SDRAM
The AM437x GP EVM contains four 4-Gb (512Mb × 8) of DDR3L SDRAM memories from Micron. The
part number for the DDR3L SDRAM memory used is MT41K512M8RH. The package used is a 78-ball
FBGA package. See the AM437x TRM for memory locations for this memory.
2.5
NAND Flash
The GP EVM has a NAND-type of flash. The part number of the memory used is MT29F4G08AB, which is
a 4-Gb (512M x 8) flash memory. The GPMC signals are used to communicate with this memory.
2.6
Board Identity Memory
Each of the board has a serial EEPROM that contains board specific data that allow the processor to
automatically detect which board is connected and the version of that board. This memory device can
store other hardware specific data as well. The part number of the memory device is CAT24C256WI-G.
See Section 4 for details on the data in this memory.
2.7
SDMMC0
The SDMMC0 connector on the GP EVM is a microSD socket with part number SCHA5B0200. This
connector is a standard SD/MMC card type of connector. The connector links to the MMC0 port of the
AM437x processor. Check the AM437x data sheet and TRM for supported card types and densities.
2.8
10/100/1000 Ethernet
The AM437x GP EVM has a 10/100/1000 Ethernet transceiver from Micrel (KSZ9031RN) that is
connected to an RJ45 (J18) connector.
The reset on the transceiver is driven by the board system reset signal SYS_RESETn. A 25-MHz crystal
drives the clock input of the KSZ9031RN Ethernet PHY.
The PHY address is set to 0x00h.
2.9
USB
The AM437x GP EVM supports 2 USB ports. The USB ports are connected to a microUSB AB connector
and a standard A-type connector. The ESD device TPD4S012 and common choke filter ACM2012 (TDK)
are used on the USB signals before they are connected to the AM437x pins.
2.10 Connectivity
The AM437x GP EVM supports MCS COM8 form factor wireless boards from TI through the J20 COM
connector, which is a Samtec card edge type connector MEC6-150-02-S-D-RA1. Therefore, this connector
supports COM8 types of boards. More details about this connector can be found in the MCS COM8 board
documents.
The COM connector requires 3.6 V, 442 mA on the power supply. Thus, a TPS79501 LDO regulator is
used to provide this voltage supply from the base 5.0V supply.
The signals on the COM board are all 1.8-V voltage levels. Thus, voltage translators are placed to convert
to/from 3.3V of the AM437x rail for a particular signal which is running at 3.3V.
2.11 UART
This EVM supports one RS232 port connector. A MAX3243 RS-232 transceiver is used in between
UART0 signals from the processor and the DB9 connector.
2.12 ADC
The analog inputs to the AM437x are terminated on the connector J22, where a magnetic swipe assembly
can be connected.
4
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2.13 Dual Cameras
The two camera interfaces from the AM437x processor are terminated on the 12×2 headers, J2 and J3.
The custom-made camera module from TI with part number 4P0041 interfaces with the header J3. This
camera module is a separate camera board that attaches at a right angle so that the camera can face
horizontally when the GP EVM is lying on a test bench. The OmniVision OV2659 SOC-based 2-MP
camera module from SunnyOptics with part number P212A interfaces with the header J2. The OV2659
delivers a high-definition video and excellent low-light sensitivity for cost-sensitive applications.
2.14 Audio
The headphone output and line input signals from the two 3.5-mm SJ3524 jacks are connected to the
audio codec with part number TLV320AIC3106. These signals connect through the McASP1 and I2C
interfaces of the AM437x.
3
Power Supplies
This section describes how the power supplies required for the design are generated.
3.1
Power Source
AM437x GP EVM uses an external AC for a 5-V-DC (rated 2.5 A minimum) power adapter. The slide
switch SW2 is used to switch the main power to the board on and off. The main power is off when the
power switch is in the position away from the power supply jack. The main power is on when the power
switch is in the position closest to the power supply jack.
3.2
Power Sequencing
The power sequencing requirements of the AM437X processor (see the AM437x data sheet) are handled
automatically by the TPS65218 PMIC.
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Power Supplies
3.3
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Power Management IC Power Supplies
The AM437x GP EVM uses the TPS65218 power management IC. The I2C0 on AM437x is used to
control the Smart Reflex port and control port on the TPS65218. Table 1 and Table 2 detail the power
supplies used.
Table 1. AM437x Power Supplies from TPS65218
TPS65218
POWER SUPPLY
AM437X POWER RAIL
VOLTAGE
VDCDC1
VDD_CORE, VDD_TPM
VDCDC2
VDD_MPU
1.1 V
1.1 V
VDCDC3
VDDS_DDR
1.35 V
VLS1
VDD_DDR
1.35 V
V1_8D_AM437X
VDDS_CLKOUT, VDDS_OSC, VDDS_SRAM_CORE_BG, VDDS_SRAM_MPU_BB,
VDDS_PLL_CORE_LCD, VDDS_PLL_DDR, VDDS_PLL_MPU, VDDA1P8V_USB0,
VDDA1P8V_USB1, VDDS_CTM, VDDS_TPM, VPP, VDDA_MC_ADC, VDDA_TS_ADC,
VDDS, COM8, VDDSHV9, VDDSHV11, tamper, ADC input sections
1.8 V
V1_0BAT
CAP_VDD_RTC
1.0 V
V1_8BAT
VDDS_RTC
1.8 V
V3_3D_AM438X
VDDA_3P3V_USB0, VDDA_3P3V_USB1, VDDSHV1, 2, 3, 4, 5, 6, 7, 8, and 10
3.3 V
V5_0D
HDMI circuitry, USB0 power
5.0 V
NOTE: The TPS65218 power management IC that is used on the AM437x GP EVM rev. 1.2 has
several issues that can affect operation. See the errata for the TPS65218 for more details.
3.3.1
Other Power Supplies Used
Table 2. Other Power Supplies
POWER SUPPLY
3.4
POWER RAIL
VOLTAGE
V3_3D
NAND memory, QPSI flash, Ethernet PHY, SDMMC0, board ID memory, ARM JTAG,
buffers of FTDI section, LCD buffer, touch screen, camera module, HDMI buffer, audio
codec, RS-232 sections, COM8 sections, smart card sections, tamper header, platform
test section, GPIO header, printer
3.3 V
V3_3FTDI
FT2232 section from TPS79333
3.3 V
VBAT
LCD power generation, camera module, VCOM_BAT generation for COM8 module,
USB1 power generation, platform test section, LEDs, GPIO header, buzzer, printer
5.0 V
V1_2D
HDMI section power
1.2 V
APM Sense Resistors
The AM437x GP EVM has the following subsystems with current sense resistors. These resistors allow
the power to be measured on each power rail to check AM437x power requirements during real-time
software execution. The value of the resistors is selected to provide the best dynamic range when using a
TI INA226 converter. An INA226 converter is installed on the EVM for both the VDD_CORE and
VDD_MPU power supply rails of the AM437x. The other power rails have sense resistors but have their
measurement connections attached to 2-pin standard headers so they can be read easily by a multimeter
or connected to an INA226-converter EVM. The value of the sense resistors for the VDD_CORE and
VDD_MPU were selected to give better dynamic range for active power modes rather than sleep or low
power modes. If power is to be measured for VDD_CORE or VDD_MPU for sleep or low power modes,
then this sense resistor value must be changed to give better shunt voltage values.
6
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Table 3. AM437x GP EVM APM Sense Resistors
VOLTAGE NET
SENSE RESISTOR VALUE
VDD_CORE
0.05 ohm
VDD_MPU
0.05 ohm
VAM437X_DDR
0.05 ohm
VDDS_DDR
0.05 ohm
V1_8D_AM437X
0.1 ohm
V3_3D_AM437X
0.1 ohm
4
Configuration and Setup
4.1
Boot Configuration
The AM437x has sysboot pins that can be configured using two 5-bit DIP switches on the EVM. These
sysboot switches will configure the AM437x to different boot settings. The SW12 switch can be used to set
sysboot bits 0 to 4, and the SW11 switch can set sysboot bits 5, 6, 9, 12, and 13. Other sysboot pin
settings are done through resistors either pulled high or low. See the AM437x TRM and data sheet for the
definitions of each of the sysboot signals. See the GP EVM schematic for more details.
4.2
I2C Address Assignments
In the AM437x GP EVM boards, each separate board has an I2C ID memory that contains the details of
the identity of that board, such as its configuration. See the following sections for more details on the
memories' contents.
Table 4. AM437x I2C Bus Addresses
AM437X FUNCTION
4.3
AM437X I2C PORT
ADDRESS
Board ID memory
I2C0
0x50
PMIC control
I2C0
0x2D
Touch screen control
I2C1
0x5C
Camera module 0
I2C0
0xxx
Camera module 1
I2C1
0xxx
Audio codec
I2C0
0x18
HDMI transmitter
I2C2
0x76
HDMI companion chip
I2C2
0xxx
Multiple smart card slot interface IC
I2C2
0xxx
I2C ID Memory
The GP EVM has a dedicated I2C EEPROM, which contains specific identity and configuration information
for that board. In addition, the dedicated I2C EEPROM has available space in each memory for userspecific configuration information.
The part number of the memory device is CAT24C256WI-G.
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Configuration and Setup
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Table 5. AM437x GP EVM EEPROM Data
NAME
CONTENTS
Header
4
MSB 0xEE3355AA LSB
Board Name
8
Name for board in ASCII "XXXXXXX" = AM437x GP EVM
Version
4
Hardware version code for board in ASCII "1.4A" = rev. 01.4A
12
Serial number of the board. This is a 12-character string: WWYY4P16nnnn where:
• WW = 2 digit week of the year of production
• YY = 2 digit year of production
• nnnn = incrementing board number
Configuration
32
Codes to show the configuration setup on this board. For the available EVM's supported,
the following codes are used:
• ASCII "SKU#01" = base board for general purpose EVM
• ASCII "SKU#02" = base board for industrial motor control EVM
• Remaining 26 bytes are reserved
Ethernet MAC address 0
6
MAC address for AM437x Ethernet MAC 1
Ethernet MAC address 1
6
MAC address for AM437x Ethernet MAC 2 or PRU 0
6
MAC address for AM437x PRU 1 (if used)
Serial Number
Ethernet MAC address 2
Available
4.4
SIZE
(BYTES)
32702
Available space for other non-volatile codes and data
JTAG
The AM437x GP EVM supports embedded XDS100V2 USB Emulation through the micro-USB AB
connector. The EVM also has an optional 20-pin TI CJTAG connector to support the emulation. This
CJTAG connector is not installed by default. Other JTAG adaptors are available on TI's e-store.
5
User Interfaces
5.1
Keypad
The keypad has six push button switches (SW4, SW5, SW6, SW7, SW8, and SW9) with Omron part
number B3SL-1022P on the component side of the board. This keypad uses two power and three scan
lines to enable six buttons to be monitored.
5.2
LEDs
There are eight status LEDs (three green LEDs, one yellow LED, one red LED, one blue LED, and one
orange LED) on the top side of the EVM. The EVM also has a green LED (D2) to indicate power-on
available.
5.3
Audio Buzzer
An audio buzzer is installed on the board to provide auditory cues to the user. This audio buzzer PUI
audio AI-1027-TWT-3V-R is driven from a GPIO.
5.4
Capacitive Touch LCD
The LCD is a 7-inch WVGA (800×480) RGB LCD panel part number OSD070T1718-19TS. The LCD is a
24-bit RGB TFT LCD with 21 white LEDs for backlight (controlled by the TPS61081DRC power regulator).
The connector used is an FPC-type, 50-pin connector with part number FH12S-50S-0.5SH. The LED
backlight on the LCD is controlled by a PWM-controlled LED driver (TPS61081). The LCD has a
capacitive touch screen, which is connected to the I2C0 port of the processor. The power required for the
LCD is generated using the linear regulator supply (TPS65105).
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Pin Use Description
6.1
Functional Interface Mapping
Some signals of the AM437x are connected to a fixed device on the EVM where it cannot be changed.
However, some of the signals of the AM437x are connected to devices on the EVM based on the profile
setting.
6.2
GPIO Definitions
The developer can select and enable pins based on the selective peripheral pins as output or input.
7
Board Connectors
The pinout details of all the connectors used in the GP EVM are provided in Table 6 through Table 23.
7.1
Battery Board Connector - J1
Table 6. Battery Board Connector
7.2
PIN NUMBER
SIGNAL NAME
1
VPWR_IN
2
VBAT
3
VPWR_IN
4
VBAT
5
PGOODBU
6
NC
7
NC
8
NC
9
DGND
10
NC
11
AM437X_AIN7
12
NC
13
BAT_HDQ
14
PMIC_AC_DET
15
DGND
16
DGND
HEADPHONE OUT - J16
Table 7. Audio Out Connector
PIN NUMBER
7.3
SIGNAL NAME
1
AGND_AUD
2
AUD_HPLOUT_JCK
3
AUD_HPROUT_JCK
10
NC
LINE IN - J14
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Table 8. Audio Line-in Connector
PIN NUMBER
7.4
SIGNAL NAME
1
AGND_AUD
2
AUD_HPLOUT_JCK
3
AUD_HPROUT_JCK
10
NC
SDMMC0 - J7
Table 9. SDMMC0 Connector
7.5
PIN NUMBER
MEMORY CARD PIN NO
1
MMC_D2
2
MMC_D3
3
MMC_CMD
4
VDD
5
MMC_CLK
6
DGND
7
MMC_D0
8
MMC_D1
9
DGND
10
MMC_CD
11
DGND
12
DGND
13
DGND
14
DGND
15
DGND
16
DGND
LCD Connector - J15
Table 10. LCD Connector
10
PIN NUMBER
SIGNAL
1
VLED+
Backlight Power +
2
VLED+
Backlight Power +
3
VLED-
Backlight Power –
4
VLED-
Backlight Power –
5
GND
Ground
6
VLCD_VCOM
Voltage
7
VLCD_DVDD
Voltage
8
GND
Ground
9
LCD_EN
10
LCD_VSYNC
LCD vertical sync
11
LCD_HSYNC
LCD horizontal sync
12
LCD_BLUE7
LCD blue data 7
13
LCD_BLUE6
LCD blue data 6
14
LCD_BLUE5
LCD blue data 5
15
LCD_BLUE4
LCD blue data 4
16
LCD_BLUE3
LCD blue data 3
AM437x GP EVM Hardware User's Guide
DESCRIPTION
LCD Enable
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Table 10. LCD Connector (continued)
PIN NUMBER
SIGNAL
17
LCD_BLUE2
LCD blue data 2
DESCRIPTION
18
LCD_BLUE1
LCD blue data 1
19
LCD_BLUE0
LCD blue data 0
20
LCD_GREEN7
LCD green data 7
21
LCD_GREEN6
LCD green data 6
22
LCD_GREEN5
LCD green data 5
23
LCD_GREEN4
LCD green data 4
24
LCD_GREEN3
LCD green data 3
25
LCD_GREEN2
LCD green data 2
26
LCD_GREEN1
LCD green data 1
27
LCD_GREEN0
LCD green data 0
28
LCD_RED7
LCD red data 7
29
LCD_RED6
LCD red data 6
30
LCD_RED5
LCD red data 5
31
LCD_RED4
LCD red data 4
32
LCD_RED3
LCD red data 3
33
LCD_RED2
LCD red data 2
34
LCD_RED1
LCD red data 1
35
LCD_RED0
LCD red data 0
36
GND
37
LCD_PCLK
Ground
Clock
38
GND
39
LCD_LEFTRIGHT
Ground
Left and right scan direction select
40
LCD_UPDOWN
Up and down scan direction select
41
VLCD_VGH
Voltage high
42
VLCD_VGL
Voltage low
43
VLCD_AVDD
Voltage analog
44
LCD_RESETn
Reset
45
NC
46
VLCD_VCOM
Voltage
47
LCD_DITHER
Dither
48
GND
49
NC
No connect
50
NC
No connect
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Touch Screen Connector - J17
Table 11. LCD Capacitive Touch Screen Pin Details
7.7
PIN NUMBER
DIRECTION
DESCRIPTION
1
NC
No connect
2
NC
No connect
3
TOUCH_INTn
Touch screen interrupt
4
GP_I2C_SDA
I2C data
5
GP_I2C_SCL
I2C clock
6
SYS_RESETn
Reset
7
GND
Ground
8
VCC
Power
Ethernet - J18
Table 12. 10/100/1000 Ethernet Connector
7.8
PIN NUMBER
SIGNAL NAME
1
DGND
2
NC
DESCRIPTION
Ground
No connect
3
ETHER1_D3P
Data 3 ve
4
ETHER1_D3N
Data 3 –ve
5
ETHER1_D2P
Data 2 ve
6
ETHER1_D2N
Data 2 –ve
7
ETHER1_D1P
Data 1 ve
8
ETHER1_D1N
Data 1 –ve
9
ETHER1_D0P
Data 0 ve
10
ETHER1_D0N
Data 0 –ve
11
ACT LED ANODE
12
ACT LED CATHODE
Cathode of ACT LED
13
LINK LED CATHODE
Cathode of LINK LED
14
LINK LED ANODE
SHLD1
DGND
Ground
SHLD2
DGND
Ground
Anode of ACT LED
Anode of LINK LED
USB - J11
Table 13. Micro AB Connector - USB 0
PIN NUMBER
12
SIGNAL NAME
DESCRIPTION
1
VUSB_VBUS0
2
USB0_CONN_DM
USB0 bus voltage
USB0 data –
3
USB0_CONN_DP
USB0 data +
4
USB0_ID
5
DGND
USB0 identification
Ground
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7.9
USB - J13
Table 14. Type A - USB Port 1
PIN NUMBER
SIGNAL NAME
DESCRIPTION
1
VUSB_VBUS1
2
USB1_CONN_DM
USB1 bus voltage
USB1 data –
3
USB1_CONN_DP
USB1 data +
4
DGND
Ground
7.10 Camera Interface Header
7.10.1
Camera Interface 0 - J2
Table 15. Camera Header 0
PIN NUMBER
SIGNAL NAME
1
AGND_CAM0
2
SENSOR_SIO_D
3
V2_8A
4
SENSOR_SIO_C
DESCRIPTION
Analog ground
Sensor serial I/O data
2.8-V Supply
Sensor serial I/O clock
5
DGND
6
SENSOR_VSYNC
Ground
7
DGND
8
SENSOR_HREF
Sensor HREF
Sensor VSYNC
Ground
9
V1_5D
1.5-V Supply
10
SENSOR_XCLK
Sensor clock
11
SENSOR_PWRDN
Sensor power down
12
V2_8D
2.8-V Supply
13
SENSOR_PCLK
Sensor clock
14
NC
15
SENSOR_RESET
16
NC
17
SENSOR_Y9
Sensor data 9
18
SENSOR_Y8
Sensor data 8
19
SENSOR_Y7
Sensor data 7
20
SENSOR_Y6
Sensor data 6
21
SENSOR_Y5
Sensor data 5
22
SENSOR_Y4
Sensor data 4
23
SENSOR_Y3
Sensor data 3
24
SENSOR_Y2
Sensor data 2
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Sensor reset
No connect
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Camera Interface 1 - J3
Table 16. Camera Header 1
PIN NUMBER
14
SIGNAL NAME
DESCRIPTION
1
VBAT
2
CAM1_VSYNC
Vertical sync
3
CAM1_DATA0
Data 0
4
CAM1_HSYNC
Horizontal sync
5
CAM1_DATA1
Data 1
6
CAM1_DATA6
Data 6
7
CAM1_DATA2
Data 2
8
CAM1_DATA7
Data 7
9
CAM1_PCLK
Clock
10
CAM1_DATA8
Data 8
11
GND
Ground
12
GND
Ground
13
CAM1_DATA3
Data 3
14
CAM1_DATA9
Data 9
15
CAM1_DATA4
Data 4
16
CAM1_GIO0
GPIO 0
17
CAM1_DATA5
Data 5
18
CAM1_GIO1
GPIO 1
19
CAM1_WEN
Write enable
20
CAM1_FIELD
Field
21
GND
22
GP_I2C_SCL
23
CAM1_SRCCLK
24
GP_I2C_SDA
VBAT
Ground
I2C clock
Clock
I2C data
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7.11 HDMI Connector - J19
Table 17. HDMI Header
PIN NUMBER
SIGNAL NAME
DESCRIPTION
1
HDMI_TX2+
2
DAT2_S
3
HDMI_TX2-
Data Transmit2 –ve
4
HDMI_TX1+
Data Transmit1 +ve
5
DAT1_S
6
HDMI_TX1-
Data Transmit1 –ve
7
HDMI_TX0+
Data Transmit0 +ve
8
DAT0_S
9
HDMI_TX0-
10
CLK+
Clock +ve
11
Clock_S
Clock GND
12
Clock-
13
HDMICONN_CEC
Data Transmit2 +ve
Data 2 GND
Data 1 GND
Data 0 GND
Data Transmit0 –ve
Clock –ve
CEC
14
NC
15
HDMICONN_I2CSCL
No Connect
I2C Clock
16
HDMICONN_I2CSDA
I2C Data
17
GND
Ground
7.12 RS232 Connector - J9
Table 18. RS-232 Connector
PIN NUMBER
SIGNAL NAME
DESCRIPTION
1
NC
2
RS232_0RXD
Receive
3
RS232_0TXD
Transmit
4
NC
5
GND
6
NC
7
RRS232_0RTS
8
RS232_0CTS
9
NC
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No connect
No connect
Ground
No connect
Request to send
Clear to send
No connect
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15
Board Connectors
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7.13 CAN INTERFACE
7.13.1
CAN INTERFACE 0 - J4
Table 19. CAN 0 Connector
7.13.2
PIN NUMBER
SIGNAL NAME
B1
NC
DESCRIPTION
No connect
B2
CAN0_L
B3
GND_CAN0
Can diff signal low
B4
NC
B5
GND_CAN0
Ground
B6
GND_CAN0
Ground
B7
CAN0_H
B8
NC
B9
VCAN0
Ground
No connect
Can diff signal high
No connect
VCC
CAN INTERFACE 1 - J37
Table 20. CAN 1 Connector
16
PIN NUMBER
SIGNAL NAME
B1
NC
B2
CAN1_L
B3
GND_CAN1
DESCRIPTION
No connect
Can diff signal low
Ground
B4
NC
B5
GND_CAN1
Ground
B6
GND_CAN1
Ground
B7
CAN1_H
B8
NC
B9
VCAN1
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No connect
Can diff signal high
No connect
VCC
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7.14 ADC Input Header - J22
Table 21. ADC Input Header
PIN NUMBER
SIGNAL NAME
1
V1_8D
1.8-V Supply
2
VBAT
VBAT
3
MON_AIN0
Monitoring analog input 0
4
MON_AIN4
Monitoring analog input 4
5
MON_AIN1
Monitoring analog input 1
6
MON_AIN5
Monitoring analog input 5
7
MON_AIN2
Monitoring analog input 2
8
MON_AIN6
Monitoring analog input 6
9
MON_AIN3
Monitoring analog input 3
10
MON_AIN7
Monitoring analog input 7
11
GND_ADC
Analog ground
12
GND_ADC
Analog ground
13
AM437X_MAG_ADC0
ADC input 0
14
AM437X_MAG_ADC4
ADC input 4
15
AM437X_MAG_ADC1
ADC input 1
16
AM437X_MAG_ADC5
ADC input 5
17
AM437X_MAG_ADC2
ADC input 2
18
AM437X_MAG_ADC6
ADC input 6
19
AM437X_MAG_ADC3
ADC input 3
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Board Connectors
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7.15 GPIO Header - J30
Table 22. GPIO Header
7.15.1
PIN NUMBER
SIGNAL NAME
DESCRIPTION
1
V3_3D
Voltage 3.3 V
2
VBAT
Voltage VBAT
3
GPIO0
General Purpose I/O 0
4
NC
5
GPIO1
6
NC
7
GPIO2
8
NC
9
GPIO3
10
NC
11
GPIO4
General purpose I/O 4
12
DGND
Ground
13
GPIO5
General purpose I/O 5
14
SPI1_SCLK
15
GPIO6
16
SPI1_D0
17
GPIO7
18
SPI1_D1
19
GPIO8
20
SPI1_CS0
No connect
General Purpose I/O 1
No connect
General Purpose I/O 2
No connect
General purpose I/O 3
No connect
SPI1 clock
General purpose I/O 6
SPI1 DO
General purpose I/O 7
SPI1 D1
General purpose I/O 8
SPI1 chip select
21
GPIO9
General purpose I/O 9
22
GPIO18
General purpose I/O 18
23
GPIO10
General purpose I/O 10
24
GP_I2C_SCL
25
GPIO11
26
GP_I2C_SDA
27
GPIO12
General purpose I/O 12
28
GPIO19
General purpose I/O 19
29
GPIO13
General purpose I/O 13
30
GPIO20
General purpose I/O 20
31
GPIO14
General purpose I/O 14
32
GPIO21
General purpose I/O 21
33
GPIO15
General purpose I/O 15
I2C clock
General purpose I/O 11
I2C data
I2C Header - J6
Table 23. I2C Header
PIN NUMBER
18
SIGNAL NAME
DESCRIPTION
1
PWRMON_I2CSCL
I2C clock
2
PWRMON_I2CSDA
I2C data
3
DGND
Ground
4
PM_ALERT
5
NC
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Alert
No connect
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EVM Important Notices
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8
EVM Important Notices
8.1
ADDITIONAL TERMS AND CONDITIONS, WARNINGS, RESTRICTIONS, AND
DISCLAIMERS FOR EVALUATION MODULES
NOTE: These EVM terms and conditions can be downloaded in PDF format.
Texas Instruments Incorporated (TI) markets, sells, and loans all evaluation boards, kits, and/or modules
(EVMs) pursuant to, and user expressly acknowledges, represents, agrees, and takes sole responsibility
and risk with respect to the following:
1. User agrees and acknowledges that EVMs are intended to be handled and used for feasibility
evaluation only in laboratory and/or development environments. Notwithstanding the foregoing, in
certain instances, TI makes certain EVMs available to users that do not handle and use EVMs solely
for feasibility evaluation only in laboratory and/or development environments, but may use EVMs in a
hobbyist environment. All EVMs made available to hobbyist users are FCC certified, as applicable.
Hobbyist users acknowledge, agree, and shall comply with all applicable terms, conditions, warnings,
and restrictions in this document and are subject to the disclaimer and indemnity provisions included in
this document.
2. Unless otherwise indicated, EVMs are not finished products and not intended for consumer use. EVMs
are intended solely for use by technically qualified electronics experts who are familiar with the
dangers and application risks associated with handling electrical mechanical components, systems,
and subsystems.
3. User agrees that EVMs shall not be used as, or incorporated into, all or any part of a finished product.
4. User agrees and acknowledges that certain EVMs may not be designed or manufactured by TI.
5. User must read the user's guide and all other documentation accompanying EVMs, including without
limitation any warning or restriction notices, prior to handling and/or using EVMs. Such notices contain
important safety information related to, for example, temperatures and voltages. For additional
information on TI's environmental and/or safety programs, please visit www.ti.com/esh [4] or contact TI.
6. User assumes all responsibility, obligation, and any corresponding liability for proper and safe handling
and use of EVMs.
7. Should any EVM not meet the specifications indicated in the user’s guide or other documentation
accompanying such EVM, the EVM may be returned to TI within 30 days from the date of delivery for a
full refund. THE FOREGOING LIMITED WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY TI
TO USER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR
STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY
PARTICULAR PURPOSE. TI SHALL NOT BE LIABLE TO USER FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES RELATED TO THE HANDLING OR USE OF ANY
EVM.
8. No license is granted under any patent right or other intellectual property right of TI covering or relating
to any machine, process, or combination in which EVMs might be or are used. TI currently deals with a
variety of customers, and therefore TI’s arrangement with the user is not exclusive. TI assumes no
liability for applications assistance, customer product design, software performance, or infringement of
patents or services with respect to the handling or use of EVMs.
9. User assumes sole responsibility to determine whether EVMs may be subject to any applicable federal,
state, or local laws and regulatory requirements (including but not limited to U.S. Food and Drug
Administration regulations, if applicable) related to its handling and use of EVMs and, if applicable,
compliance in all respects with such laws and regulations.
10. User has sole responsibility to ensure the safety of any activities to be conducted by it and its
employees, affiliates, contractors or designees, with respect to handling and using EVMs. Further, user
is responsible to ensure that any interfaces (electronic and/or mechanical) between EVMs and any
human body are designed with suitable isolation and means to safely limit accessible leakage currents
to minimize the risk of electrical shock hazard.
11. User shall employ reasonable safeguards to ensure that user’s use of EVMs will not result in any
property damage, injury or death, even if EVMs should fail to perform as described or expected.
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EVM Important Notices
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12. User shall be solely responsible for proper disposal and recycling of EVMs consistent with all
applicable federal, state, and local requirements
Certain Instructions
User shall operate EVMs within TI’s recommended specifications and environmental considerations per
the user’s guide, accompanying documentation, and any other applicable requirements. Exceeding the
specified ratings (including but not limited to input and output voltage, current, power, and environmental
ranges) for EVMs may cause property damage, personal injury or death. If there are questions concerning
these ratings, user should contact a TI field representative prior to connecting interface electronics
including input power and intended loads. Any loads applied outside of the specified output range may
result in unintended and/or inaccurate operation and/or possible permanent damage to the EVM and/or
interface electronics. Please consult the applicable 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 60°C as
long as the input and output are maintained at a normal ambient operating temperature. These
components include but are not limited to linear regulators, switching transistors, pass transistors, and
current sense resistors which can be identified using EVMs’ schematics located in the applicable EVM
user's guide. When placing measurement probes near EVMs during normal operation, please be aware
that EVMs may become very warm. As with all electronic evaluation tools, only qualified personnel
knowledgeable in electronic measurement and diagnostics normally found in development environments
should use EVMs.
Agreement to Defend, Indemnify and Hold Harmless
User agrees to defend, indemnify, and hold TI, its directors, officers, employees, agents, representatives,
affiliates, licensors and their representatives harmless from and against any and all claims, damages,
losses, expenses, costs and liabilities (collectively, "Claims") arising out of, or in connection with, any
handling and/or use of EVMs. User’s indemnity shall apply whether Claims arise under law of tort or
contract or any other legal theory, and even if EVMs fail to perform as described or expected.
Safety-Critical or Life-Critical Applications
If user intends to use EVMs in evaluations of safety critical applications (such as life support), and a failure
of a TI product considered for purchase by user for use in user’s product would reasonably be expected to
cause severe personal injury or death such as devices which are classified as FDA Class III or similar
classification, then user must specifically notify TI of such intent and enter into a separate Assurance and
Indemnity Agreement.
8.2
RADIO FREQUENCY REGULATORY COMPLIANCE INFORMATION FOR EVALUATION
MODULES
NOTE: These EVM terms and conditions can be downloaded in PDF format.
Texas Instruments Incorporated (TI) evaluation boards, kits, and/or modules (EVMs) and/or accompanying
hardware that is marketed, sold, or loaned to users may or may not be subject to radio frequency
regulations in specific countries.
General Statement for EVMs Not Including a Radio
For EVMs not including a radio and not subject to the U.S. Federal Communications Commission (FCC)
or Industry Canada (IC) regulations, TI intends EVMs to be used only for engineering development,
demonstration, or evaluation purposes. EVMs are not finished products typically fit for general consumer
use. EVMs may nonetheless generate, use, or radiate radio frequency energy, but have not been tested
for compliance with the limits of computing devices pursuant to part 15 of FCC or the ICES-003 rules.
Operation of such EVMs may cause interference with radio communications, in which case the user at his
own expense will be required to take whatever measures may be required to correct this interference.
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General Statement for EVMs Including a Radio
User Power/Frequency Use Obligations: For EVMs including a radio, the radio included in such EVMs is
intended for development and/or professional use only in legally allocated frequency and power limits. Any
use of radio frequencies and/or power availability in such EVMs and their development application(s) must
comply with local laws governing radio spectrum allocation and power limits for such EVMs. It is the user’s
sole responsibility to only operate this radio in legally acceptable frequency space and within legally
mandated power limitations. Any exceptions to this are strictly prohibited and unauthorized by TI unless
user has obtained appropriate experimental and/or development licenses from local regulatory authorities,
which is the sole responsibility of the user, including its acceptable authorization.
U.S. Federal Communications Commission Compliance
For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant
Caution
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation. Changes or modifications could void
the user's authority to operate the equipment.
FCC Interference Statement for Class A EVM devices
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant
to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment
in a residential area is likely to cause harmful interference in which case the user will be required to
correct the interference at its own expense.
FCC Interference Statement for Class B EVM devices
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant
to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can
be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Industry Canada Compliance (English)
For EVMs annotated as IC – INDUSTRY CANADA Compliant
This Class A or B digital apparatus complies with Canadian ICES-003.
Changes or modifications not expressly approved by the party responsible for compliance could void the
user’s authority to operate the equipment.
Concerning EVMs Including Radio Transmitters
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the
following two conditions: (1) this device may not cause interference, and (2) this device must accept any
interference, including interference that may cause undesired operation of the device.
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EVM Important Notices
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Concerning EVMs Including Detachable Antennas
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type
and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio
interference to other users, the antenna type and its gain should be so chosen that the equivalent
isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.
This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in
the user guide with the maximum permissible gain and required antenna impedance for each antenna
type indicated. Antenna types not included in this list, having a gain greater than the maximum gain
indicated for that type, are strictly prohibited for use with this device.
Canada Industry Canada Compliance (French)
Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada
Les changements ou les modifications pas expressément approuvés par la partie responsable de la
conformité ont pu vider l’autorité de l'utilisateur pour actionner l'équipement.
Concernant les EVMs avec appareils radio
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de
licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de
brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le
brouillage est susceptible d'en compromettre le fonctionnement.
Concernant les EVMs avec antennes détachables
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec
une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada.
Dans le but de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs, il faut
choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne
dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante.
Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne
énumérés dans le manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour
chaque type d'antenne. Les types d'antenne non inclus dans cette liste, ou dont le gain est supérieur au
gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur.
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2014,
Texas Instruments Incorporated
8.3
Important Notice for Users of EVMs Considered “Radio Frequency Products” in
Japan
NOTE: These EVM terms and conditions can ber downloaded in PDF format.
EVMs entering Japan are NOT certified by TI as conforming to Technical Regulations of Radio Law
of Japan.
If user uses EVMs in Japan, user is required by Radio Law of Japan to follow the instructions below with
respect to EVMs:
1. Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by
Ministry of Internal Affairs and Communications on March 28, 2006, based on Sub-section 1.1 of
Article 6 of the Ministry’s Rule for Enforcement of Radio Law of Japan,
2. Use EVMs only after user obtains the license of Test Radio Station as provided in Radio Law of Japan
with respect to EVMs, or
3. Use of EVMs only after user obtains the Technical Regulations Conformity Certification as provided in
Radio Law of Japan with respect to EVMs. Also, do not transfer EVMs, unless user gives the same
notice above to the transferee. Please note that if user does not follow the instructions above, user will
be subject to penalties of Radio Law of Japan.
http://www.tij.co.jp
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【無線電波を送信する製品の開発キットをお使いになる際の注意事項】本開発キットは技術基準適合証明
を受けておりまご使用に際しては、電波法遵守のため、以下のいずれかの措置を取っていただく必要があ
りますのでご注意ください。
1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室
等の試験設備でご
2. 実験局の免許を取得後ご使用いただく。
3. 技術基準適合証明を取得後ご使用いただく。。
なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転で
きないものとし
上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。
日本テキサス・インスツルメンツ株式会社
東京都新宿区西新宿６丁目２４番１号
西新宿三井ビル
http://www.tij.co.jp
Texas Instruments Japan Limited (address) 24-1, Nishi-Shinjuku 6 chome, Shinjuku-ku, Tokyo, Japan
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IMPORTANT NOTICE FOR TI REFERENCE DESIGNS
Texas Instruments Incorporated ("TI") reference designs are solely intended to assist designers (“Buyers”) who are developing systems that
incorporate TI semiconductor products (also referred to herein as “components”). Buyer understands and agrees that Buyer remains
responsible for using its independent analysis, evaluation and judgment in designing Buyer’s systems and products.
TI reference designs have been created using standard laboratory conditions and engineering practices. TI has not conducted any
testing other than that specifically described in the published documentation for a particular reference design. TI may make
corrections, enhancements, improvements and other changes to its reference designs.
Buyers are authorized to use TI reference designs with the TI component(s) identified in each particular reference design and to modify the
reference design in the development of their end products. HOWEVER, NO OTHER LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL
OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT, AND NO LICENSE TO ANY THIRD PARTY TECHNOLOGY
OR INTELLECTUAL PROPERTY RIGHT, IS GRANTED HEREIN, including but not limited to any patent right, copyright, mask work right,
or other intellectual property right relating to any combination, machine, or process in which TI components or services are used.
Information published by TI regarding third-party products or services does not constitute a license to use such products or services, or a
warranty or endorsement thereof. Use of such information may require a license from a third party under the patents or other intellectual
property of the third party, or a license from TI under the patents or other intellectual property of TI.
TI REFERENCE DESIGNS ARE PROVIDED "AS IS". TI MAKES NO WARRANTIES OR REPRESENTATIONS WITH REGARD TO THE
REFERENCE DESIGNS OR USE OF THE REFERENCE DESIGNS, EXPRESS, IMPLIED OR STATUTORY, INCLUDING ACCURACY OR
COMPLETENESS. TI DISCLAIMS ANY WARRANTY OF TITLE AND ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT, QUIET POSSESSION, AND NON-INFRINGEMENT OF ANY THIRD PARTY
INTELLECTUAL PROPERTY RIGHTS WITH REGARD TO TI REFERENCE DESIGNS OR USE THEREOF. TI SHALL NOT BE LIABLE
FOR AND SHALL NOT DEFEND OR INDEMNIFY BUYERS AGAINST ANY THIRD PARTY INFRINGEMENT CLAIM THAT RELATES TO
OR IS BASED ON A COMBINATION OF COMPONENTS PROVIDED IN A TI REFERENCE DESIGN. IN NO EVENT SHALL TI BE
LIABLE FOR ANY ACTUAL, SPECIAL, INCIDENTAL, CONSEQUENTIAL OR INDIRECT DAMAGES, HOWEVER CAUSED, ON ANY
THEORY OF LIABILITY AND WHETHER OR NOT TI HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, ARISING IN
ANY WAY OUT OF TI REFERENCE DESIGNS OR BUYER’S USE OF TI REFERENCE DESIGNS.
TI reserves the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per
JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant
information before placing orders and should verify that such information is current and complete. All semiconductor products are sold
subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment.
TI warrants performance of its components to the specifications applicable at the time of sale, in accordance with the warranty in TI’s terms
and conditions of sale of semiconductor products. Testing and other quality control techniques for TI components are used to the extent TI
deems necessary to support this warranty. Except where mandated by applicable law, testing of all parameters of each component is not
necessarily performed.
TI assumes no liability for applications assistance or the design of Buyers’ products. Buyers are responsible for their products and
applications using TI components. To minimize the risks associated with Buyers’ products and applications, Buyers should provide
adequate design and operating safeguards.
Reproduction of significant portions of TI information in TI data books, data sheets or reference designs is permissible only if reproduction is
without alteration and is accompanied by all associated warranties, conditions, limitations, and notices. TI is not responsible or liable for
such altered documentation. Information of third parties may be subject to additional restrictions.
Buyer acknowledges and agrees that it is solely responsible for compliance with all legal, regulatory and safety-related requirements
concerning its products, and any use of TI components in its applications, notwithstanding any applications-related information or support
that may be provided by TI. Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards that
anticipate dangerous failures, monitor failures and their consequences, lessen the likelihood of dangerous failures and take appropriate
remedial actions. Buyer will fully indemnify TI and its representatives against any damages arising out of the use of any TI components in
Buyer’s safety-critical applications.
In some cases, TI components may be promoted specifically to facilitate safety-related applications. With such components, TI’s goal is to
help enable customers to design and create their own end-product solutions that meet applicable functional safety standards and
requirements. Nonetheless, such components are subject to these terms.
No TI components are authorized for use in FDA Class III (or similar life-critical medical equipment) unless authorized officers of the parties
have executed an agreement specifically governing such use.
Only those TI components that TI has specifically designated as military grade or “enhanced plastic” are designed and intended for use in
military/aerospace applications or environments. Buyer acknowledges and agrees that any military or aerospace use of TI components that
have not been so designated is solely at Buyer's risk, and Buyer is solely responsible for compliance with all legal and regulatory
requirements in connection with such use.
TI has specifically designated certain components as meeting ISO/TS16949 requirements, mainly for automotive use. In any case of use of
non-designated products, TI will not be responsible for any failure to meet ISO/TS16949.IMPORTANT NOTICE
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2014, Texas Instruments Incorporated
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