GPIO#
GPIO MISC Header (CN21)#
The 40-pin GPIO header exposes GPIO, I2C, GSPI, I2S, PWM, and UART signals for interfacing with low-level robotics hardware.
Pin |
Signal |
Pin |
Signal |
|---|---|---|---|
1 |
+3V3 |
2 |
+3V3 |
3 |
GPIO2_SDA1 |
4 |
+3V3 |
5 |
GPIO3_SCL1 |
6 |
GND |
7 |
TP47 |
8 |
GPIO14_TXD0 |
9 |
+3V3 |
10 |
GPIO15_RXD0 |
11 |
GPIO17_3V3 |
12 |
GPIO6_I2S1_SCLK |
13 |
GPIO22_PWM2_3V3 |
14 |
GND |
15 |
TP42 |
16 |
GPIO23_PWM3_3V3 |
17 |
+3V3 |
18 |
GPIO24_PWM4_3V3 |
19 |
GPIO10_GSPI_MOSI |
20 |
GND |
21 |
GPIO9_GSPI_MISO |
22 |
GPIO1_3V3 |
23 |
GPIO11_GSPI_CLK |
24 |
GPIO8_GSPI_CS0# |
25 |
GND |
26 |
GPIO7_3V3 |
27 |
I2C_ID0 |
28 |
I2C_ID1 |
29 |
TP43 |
30 |
GND |
31 |
GPIO18_3V3 |
32 |
GPIO12_CM_3V3 |
33 |
GPIO13_3V3 |
34 |
GND |
35 |
GPIO19_I2S1_SFRM |
36 |
GPIO16_3V3 |
37 |
GPIO0_3V3 |
38 |
GPIO20_I2S1_TXD |
39 |
GND |
40 |
GPIO21_I2S1_RXD |