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Pin
Signal
B13
GND
B15
PCIE4_P0_TXN
B17
GND
B19
PCIE4_P1_TXP
B21
GND
B23
PCIE4_P2_TXP
B25
GND
B27
PCIE4_P3_TXP
B29
GND
B31
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
Chapter 2 – Hardware Information
Pin
Signal
B14
PCIE4_P0_TXP
B16
GND
B18
GND
B20
PCIE4_P1_TXN
B22
GND
B24
PCIE4_P2_TXN
B26
GND
B28
PCIE4_P3_TXN
B30
NC
B32
GND
Pin
Signal
2
+5V
4
+5V
6
GND
8
UART_TX/ GPIO16
10
UART_RX/ GPIO17
12
I2S_BCLK/ GPIO18
14
GND
16
GPIO19
18
GPIO20
20
GND
23
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