Pin
Signal
B32
GND
2.3.15
40-Pin HAT Connector (CN19)
Pin
Signal
1
+3.3V
3
I2C1_DAT / GPIO1
5
I2C1_CLK / GPIO2
7
ANALOG_DATA / GPIO3
9
GND
11
GPIO4
13
GPIO5
15
GPIO6
17
+3.3V
19
SPI_MOSI / GPIO7
21
SPI_MISO / GPIO8
23
SPI_CLK / GPIO9
25
GND
27
I2C0_DAT / GPIO10
29
GPIO11
31
GPIO12
33
PWM1 / GPIO13
35
I2S_SYNC / GPIO14
Chapter 2 – Hardware Information
Pin
Signal
Pin
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
Pin
Signal
Signal
+5V
+5V
GND
UART_TX / GPIO16
UART_RX / GPIO17
I2S_BCLK / GPIO18
GND
GPIO19
GPIO20
GND
GPIO21
SPI_CS0 / GPIO22
SPI_CS1 / GPIO23
I2C0_CLK / GPIO24
GND
PWM0 / GPIO25
GND
GPIO26
24