User`s manual

CAPA831 Intel
®
Atom
TM
D2550/N2800/N2600 Processor 3.5” SBC
Digital I/O 71
1. When DIO0~2 are connected to external device, the device sets DIO0~2 to high
DIO7
DIO6
DIO5
DIO4
DIO3
DIO2
DIO1
DIO0
Output
Output
Output
Output
Output
1
1
1
2. When DIO0~2 are connected to external device, the device sets DIO0 to low and DIO1~2 to high
DIO7
DIO6
DIO5
DIO4
DIO3
DIO2
DIO1
DIO0
Output
Output
Output
Output
Output
1
1
0
Note3:
If N=07h
DIO7
DIO6
DIO5
DIO4
DIO3
DIO2
DIO1
DIO0
Output
Output
Output
Output
Output
Input
Input
Input
1. When M=FFh
DIO7
DIO6
DIO5
DIO4
DIO3
DIO2
DIO1
DIO0
1
1
1
1
1
1
1
1
2. When M=D7h
DIO7
DIO6
DIO5
DIO4
DIO3
DIO2
DIO1
DIO0
1
1
0
1
0
1
1
1