Datasheet

UEXT connector

Pin # Signal Name Processor Pin #

1 +3.3VREG -

2 GND 30, 35, 98, 105,

112, 118

3 AUART1_TXD 127

4 AUART1_RXD 128

5 I2C_SCL 34(default) OR 11*

6 I2C_SDA 31(default) OR 15*

7 PIN9/LCD_D08/SSP2_MISO 22

8 SSP2_MOSI 21

9 SSP2_SCK 33

10 PIN12/LCD_D11/UEXT_CS 25

The UEXT pinout is also printed at the bottom of the board under the connector.

6.4 GPIO (General Purpose Input/Output) 40pin connector

The GPIO pins are led out on a separate 40pin connecter. They allow the user to attach additional

hardware, check readings or perform hardware debug. The “GPIO Pin#” column shows connector

number and does NOT represent the naming on the bottom of the board.

Page 37 of 60