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VIA VAB-950 User Manual
Appendix A.
FX8-100S-SV Connectors
This chapter provides you with information of the board-to-board FX8-100S-SV connectors’ pinouts and
placement.
A.1. FX8-100S-SV Connectors Pinouts
The VIA VAB-950 comes with two FX8-100S-SV connectors labeled as ‘J8’ and ‘J9’. The FX8-100S-SV connectors
are used for connecting the VIA SOM-9X50. The pinouts of the FX8-100S-SV connectors are shown below.
Figure 36: FX8-100S-SV connectors diagram
J8
Pin
Signal
Pin
Signal
1
SPI2_CLK
2
GND
3
GND
4
RDP3_B
5
SPI2_MI
6
RDN3_B
7
SPI2_CSB
8
GND
9
SPI2_MO
10 RDP1_B
11 GND
12 RDN1_B
13 I2S3_DO
14 GND
15 I2S0_BCK
16 RDN2_B
17 GND
18 RDP2_B
19 I2S0_LRCK
20 GND
21 I2S0_DI
22 RCN_B
23 BGF_INT
24 RCP_B
25 32K_MT7668
26 GND
27 GND
28 RDP0_B
J9
Pin
Signal
Pin
Signal
1
GND
2
GND
3
JTRST
4
SCL2_MT
5
SPI_CSB_JTMS
6
SDA2_MT
7
GND
8
GND
9
SPI_CLK_JTCK
10 SCL4_MT
11 GND
12 SDA4_MT
13 SPI_MI_JTDO
14 GND
15 SPI_MO_JTDI
16 SCL6
17 GND
18 SDA6
19 KPROW1
20 GND
21 KPCOL0
22 GPIO116
23 KPROW0
24 GPIO120
25 GND
26 GPIO76
27 DSI0_D3N
28 IT66121_SYSRSTN
