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4.2.3 Digital Microphones .................................................................................................................. 29
4.2.4 CAN ........................................................................................................................................... 30
4.2.5 I2C ............................................................................................................................................. 30
4.2.6 GPIOs ........................................................................................................................................ 30
4.2.7 Other signals on Secondary Low Speed Connector ................................................................... 31
4.3 Tertiary Low Speed Connector: LS3 ................................................................................................. 31
4.3.1 SSC SPI ..................................................................................................................................... 33
4.3.2 SSC I2C ..................................................................................................................................... 34
4.3.3 Sensor interrupt .......................................................................................................................... 34
4.3.4 Other signals on Tertiary Low Speed Connector ....................................................................... 34
5 High speed expansion connectors ...................................................................................................................... 36
5.1 Primary high speed expansion connector: HS1 ................................................................................. 36
5.1.1 MIPI DSI ................................................................................................................................... 38
5.1.2 MIPI CSI .................................................................................................................................... 39
5.1.3 I2C ............................................................................................................................................. 39
5.1.4 HSIC .......................................................................................................................................... 39
5.1.5 Reserved .................................................................................................................................... 40
5.1.6 SD/SPI ....................................................................................................................................... 40
5.1.7 Camera Clocks ........................................................................................................................... 40
5.1.8 USB............................................................................................................................................ 40
5.2 Secondary High Speed Connector: HS2 ............................................................................................ 40
5.2.1 MIPI CSI .................................................................................................................................... 43
5.2.2 Clock .......................................................................................................................................... 43
5.2.3 SPI.............................................................................................................................................. 43
5.2.4 PCIe1 ......................................................................................................................................... 43
5.2.5 USB............................................................................................................................................ 44
5.2.6 Other signals on Secondary High Speed Connector .................................................................. 44