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VIA VAB-950 User Manual
3.11 I
²
C/SPI/GPIO Pin Header
The VIA VAB-950 comes with an I²C/SPI/GPIO pin header labeled as ‘J1’ which is used for connecting the I
²
C,
SPI, and 12 GPIO devices. The pinouts of the I²C/SPI/GPIO pin header are shown below.
Figure 27: I
²
C/SPI/GPIO pin header diagram
Table 17: I
²
C/SPI/GPIO pin header pinouts
Pin
Signal
Pin
Signal
1 SPI_CLK
2 SPI_CS
3 SPI_MISO
4 SPI_MOSI
5 GPIO79
6 GPIO53
7 GPIO80
8 GPIO54
9 GPIO52
10 GPIO78
11 GPIO77
12 GPIO57
13 I2C_CLK1
14 GPIO56
15 I2C_DATA1
16 GPIO55
17 GND
18 GPIO69
19 1.8V
20 GPIO70
