Raspberry Pi Connector (Hat) - Silicon Laboratories BRD8045A User Manual

4.3 Raspberry Pi Connector (HAT)

The Raspberry Pi connector (HAT) is located on the bottom side of the Adapter Board for Co-Processor Radio Boards.
The figure below shows how the SiWx917 Wi-Fi Co-processor peripherals are mapped to the Raspberry Pi Connector.
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3V3 1
I2C_SDA 3
I2C_SCL 5
ISP_MODE 7
GND 9
NC 11
SDIO_D3 13
SDIO_RPI_CLK 15
3V3 17
SPI_MOSI 19
SPI_MISO 21
SPI_SCLK 23
GND 25
RPI_ID_SD 27
RADIO_P2 29
RPI_GPI31 31
#RESET 33
RADIO_F17 35
SDIO_RPI_D2 37
GND 39
Radio Board I/O Pin
Reserved (Board Identification)
Figure 4.2. Raspberry Pi Connector (HAT)
UG569: Adapter Board for Co-Processor Radio Boards User's Guide
2 5V
4 5V
6 GND
8 HOST_UART_TX
10 HOST_UART_RX
12 SPI_INTR
14
GND
16 SDIO_RPI_CMD
18 SDIO_RPI_D0
20 GND
22 SDI_RPI_D1
24 SPI_CS
26 RPI_ID_WP
28 RPI_ID_SC
30 GND
32 LP_HAND_SHAKE_WAKEUP
34 GND
36 NC
38 RADIO_F15
40 RADIO_P10
Connectors
Rev. 1.0 | 14