Appendix C: Gpi/O Programming Guide - Nexcom NIFE 103 User Manual

Appendix C: GPI/O Programming Guide

a C: gPI/o P
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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 NIFE 103. The pin definition is shown in the following table:
PowerOn
Pin GPI/O Mode
Default
1 VCC -
3 GPI Low
4 GPI Low
5 GPI Low
6 GPI Low
CN1 – GPI/O Connector
PowerOn
Pin GPI/O Mode
Default
C2 GPO Low
C1 GPO Low
LED3 – GPO LED
Control the GPO pin (7/8/9/10) level from Memory address FED0E168h/ FED0E158h/ FED0E188h/ FED0E198h.
Control the GPO (C2/C1) level from SMBUS EAh bit (3/4).
The bit is Set/Clear indicated output High/Low.
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rogrammIng
Address Pin GPI/O Mode
- 2 GND
588h (Bit22) 7 GPO
588h (Bit23) 8 GPO
588h (Bit24) 9 GPO
588h (Bit25) 10 GPO
Address
SMBUS-EAh (Bit3)
SMBUS-EAh (Bit4)
g
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PowerOn
Address
Default
- -
Low Memory-FED0E168h
Low Memory-FED0E158h
Low Memory-FED0E188h
Low Memory-FED0E198h
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NIFE 103 User Manual