Expansion Connector Pinout

1. Access expansion connector

Open hood

01-large.png

 

 

 

02-remove cover.png

 

 Expansion Header (J900)

03-pin.png

 

 2. Pinout

 

Pin Number

Type

 

 

Name

1

UART

TX

1,8V

UART_3_TX_K1

2

Power supply

 

1,8V 200mA

1V8_BOARD

3

UART

RX

1,8V

UART_3_RX_K1

4

Debug UART

TX

1,8V

UART_DEBUG_TX

5

UART

CTS

1,8V

#UART_3_CTS_K1

6

Debug UART

RX

1,8V

UART_DEBUG_RX

7

UART

RTS

1,8V

#UART_3_RTS_K1

8

Debug UART

CTS

1,8V

#UART_DEBUG_CTS_K1

9

GPIO

PC7

1,8V (Pull up)

GPIO_DEV_GPIO_PC7_pu

10

Debug UART

RTS

1,8V

#UART_DEBUG_RTS_K1

11

I2C

SCL

1,8V 400kHz

I2C_SCL_DEV

12

Power supply

 

3,3V 400mA

3V3_BOARD

13

I2C

SDA

1,8V 400kHz

I2C_SDA_DEV

14

SPI 

CS

1,8V 1MHz

#TEGRA_SPI1A_CS

15

GPIO

PJ2

1,8V (Pull up)

GPIO_DEV_GPIO_PJ2_pu

16

SPI

SCK

1,8V 1MHz

TEGRA_SPI1A_SCK

17

cameras and sensors sync pulse

1,8V

FSYNC_DEV

18

SPI

MOSI

1,8V 1MHz

TEGRA_SPI1A_MOSI

19

GND 

 

1.75A max sink current

GND

20

SPI

MISO

1,8V 1MHz

TEGRA_SPI1A_MISO

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