Copyright © Vecow Co., Ltd. All Rights Reserved. SPC-2000 Series Ultra-compact Embedded System User
Manual
18
GETTING TO KNOW YOUR SPC-2000
2.7
Isolated DIO Connector
The SPC-2000 offers an 8-bit DIO (4-DI/ 4-DO) connector. Each bit of DI and DO equipped with a
photo-coupler for isolated protection. Because the DIO is isolated by photocopiers, it requires
power supply from external to activate this feature.
Pin Number Description Mapping to SIO GPIO Function
1
OUTPUT0
SIO_GPO70
2
INPUT 0
SIO_GPO74
3
OUTPUT1
SIO_GPO71
4
INPUT 1
SIO_GPO75
5
OUTPUT2
SIO_GPO72
6
INPUT 2
SIO_GPO76
7
OUTPUT3
SIO_GPO73
8
INPUT 4
SIO_GPO77
9
GND_ISO
