Thundercomm TurboX C865 Dev Kit, Hardware User'S Manual

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10 QCA_GPIO-E
12 GPIO-VV
14 GPIO-WW
16 SPI3_MISO SSC QUP5
18 SPI3_MOSI SSC QUP5
20 SPI3_CLK SSC QUP5
22 SPI3_CS SSC QUP5
24 PS_INT
26 ACCEL_INT
28 GYRO_INT
30 MAG_INT
32 MAG_DRDY_INT
34 I2C4_SDA SSC QUP0
36 I2C4_SCL SSC QUP0
38 VREG_L5C_1P8
40 GND
42 GND
44 SPI3_CS2 SSC QUP5
46 GPIO-XX SSC QUP4
4.3.1 SSC SPI
C865 DEV KIT implements 2 SSC SPI interfaces for different sensors that connect to SM8250
processor sensor core. Each SPIs can support 2 CS signals.
The signals are:

SPI2_CLK_LS3: Connects to SSC QUP2 of SM8250 SoC, to be configured to CLK.

SPI2_MOSI_LS3: Connects to SSC QUP2 of SM8250 SoC, to be configured to MOSI.

SPI2_MISO_LS3: Connects to SSC QUP2 of SM8250 SoC, to be configured to MISO.