B: gpi/o p, Ppendix, Rogramming – NEXCOM NISE 103 User Manual
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Appendix B: GPI/O Programming Guide
NISE 103 User Manual
A
ppendix
B: Gpi/O p
rOGrAmminG
Guide
GPI/O (General Purpose Input/Output) pins are provided for custom system design. This appendix provides definitions and its default setting for the ten GPI/O
pins in NISE 103. The pin definition is shown in the following table:
Pin No.
GPI/O Mode
PowerOn
Default
Address
Pin No.
GPI/O Mode
PowerOn
Default
Address
1
VCC
-
-
2
GND
-
-
3
GPO
Low
284h (Bit4)
4
GPI
High
284h (Bit0)
5
GPO
Low
284h (Bit5)
6
GPI
High
284h (Bit1)
7
GPO
Low
284h (Bit6)
8
GPI
High
284h (Bit2)
9
GPO
Low
284h (Bit7)
10
GPI
High
284h (Bit3)
J3 - GPIO Connector
Control the GPO pin (3/5/7/9) level from I/O port 284h bit (4/5/6/7).
The bit is Set/Clear indicated output High/Low.