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SOQuartz Model-A Baseboard

SOQuartz Model-A Baseboard

  • Model "A" Baseboard Dimensions: 133mm x 80mm x 19mm

  • Input Power: DC 5V @ 3A 3.5OD/1.35ID (IEC 60130-10 Type H) Barrel DC Jack connector

Storage

  • microSD - bootable, support SDHC and SDXC, storage up to 2TB

  • USB - 2 USB2.0 Host port

Expansion Ports

  • MiPi-CSI - 1x 2 lanes, 1x 4 lanes

  • MiPi-DSI - 1x 2 lanes, 1x 4 lanes

  • 2x20 pins "Pi2" GPIO Header

  • PCIe 1x open ended slot

  • 1x5 pin USB Expansion Header (J15)

GPIO Pins

Attention! GPIOs are 3.3V!

Interesting alternate pin configurations are listed in [brackets].

Assigned ToPin no.Pin no.Assigned To

3.3 V

1

2

5 V

[I2C2_SDA_M1] GPIO4_B4_3V3 a

3

4

5 V

[I2C2_SCL_M1] GPIO4_B5_3V3 a

5

6

GND

[GPCLK0] GPIO4_A4_3V3

7

8

GPIO0_D1_3V3 [UART2_TX_M0]

GND

9

10

GPIO0_D0_3V3 [UART2_RX_M0]

[I2S1_MCLK_M1] GPIO3_C6_3V3

11

12

GPIO3_C7_3V3 [I2S1_SCLK_M1]

GPIO4_A0_3V3

13

14

GND

GPIO4_A2_3V3

15

16

GPIO4_A3_3V3

3.3V

17

18

GPIO4_A1_3V3

[SPI3_MOSI_M0] GPIO4_B2_3V3

19

20

GND

[SPI3_MISO_M0] GPIO4_B0_3V3

21

22

GPIO4_B1_3V3

[SPI3_CLK_M0] GPIO4_B3_3V3

23

24

GPIO4_A6_3V3 [SPI3_CS0_M0]

GND

25

26

GPIO4_A7_3V3 [SPI3_CS1_M0]

[I2C3_SDA_M0] GPIO1_A0_3V3 a

27

28

GPIO1_A1_3V3 [I2C3_SCL_M0] a

GPIO3_A5_3V3

29

30

GND

GPIO3_D4_3V3

31

32

GPIO3_D6_3V3

GPIO3_D7_3V3

33

34

GND

[I2S1_LRCK_M1] GPIO3_D0_3V3

35

36

GPIO3_D5_3V3

GPIO3_D3_3V3

37

38

GPIO3_D2_3V3 [I2S1_SDI_M1]

GND

39

40

GPIO3_D1_3V3 [I2S1_SDO_M1]

Notes

a pulled high to 3.3V through 2.2kOhm resistor

Source: Page 11 of the board schematics.

USB Expansion Header

Pin noAssigned To

1

USB2_HOST_5V

2

HOST_DM3

3

HOST_DP3

4

GND

5

GND

Source: Page 10 of the board schematics.