Hardware UserGuide
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2.2 Internal Connectors, Headers & Jumpers
2.2.1 Extension GPIO definition
*Please note that the missing corner in the lower left corner identifies Pin No. 1
No.
Definition
No.
Definition
1
VCC_3_3V
2
VCC_5V
3
I2C4_SDA/GPIO7_C1
4
VCC_5V
5
I2C4_SCL/GPIO7_C2
6
GND
7
I2S0_MCLK
8
UART3_TX/GPIO_B0
9
GND
10
UART3_RX/GPIO7_A7
11
UART1_CTSN/GPIO5_B2
12
UART1_RTSN/GPIO5_B3
13
UART1_TX/GPIO5_B1
14
GND
15
UART1_RX/GPIO5_B0
16
UART3_CTSn/GPIO_B1
17
VCC_3_3V
18
UART3_RTSn/GPIO_B2
19
SPI0_TXD/UART4_TX/GPIO5_B6
20
GND
21
SPI0_RXD/UART4_RX/GPIO5_B7
22
TS0_ERR/GPIO5_C3
23
SPI0_CLK/UART4_CTSN/GPIO5_B4
24
SPI1_CSN0/GPIO7_B5
Pin 2
Pin 39
Pin 40
Pin 1
Pin 40
Pin 2
