Datasheet

6.4 GPIO-1 (General Purpose Input/Output) 10pin connector

The GPIO connector numbers are printed at the bottom of the board for your convenience.

GPIO-1

Pin # Signal Name Processor Pin #

1 5V -

2 GND -

3 3.3V -

4 GND -

5 RESET_N 159

6 NMI_N 158

7 PIN0 -

8 PIN3 -

9 PIN1 -

10 PIN2 -

PIN0, PIN1, PIN2 and PIN3 are connected to the power regulator module AXP209.

6.5 GPIO-2 (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-2 connector numbers are printed

at the bottom of the board for your convenience.

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