C&T PC400 Series - GPIO Sample Code

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PC400 / PC410 l User’s Manual

GPIO Sample Code

 GPI 1 ~ GPI 8

 GPO 1 ~ GPO 8

#define GPI1to4_ADDR 0xA03

#define GPI5to8_ADDR 0xA06

#define GPO1to4_ADDR 0xA02

#define GPO5_ADDR 0xA06

#define GPO6_ADDR 0xA04

#define GPO7_ADDR 0xA08

#define GPO8_ADDR 0xA04

#define GPO1_DataHigh 0x01

#define GPO2_DataHigh 0x02

#define GPO3_DataHigh 0x04

#define GPO4_DataHigh 0x08

#define GPO5_DataHigh 0x10

#define GPO6_DataHigh 0x80

#define GPO7_DataHigh 0x01

#define GPO8_DataHigh 0x80

#define WriteByte outportb

#define ReadByte inportb

Appendix – WDT & GPIO

GPI 1 GPI 2 GPI 3 GPI 4 GPI 5 GPI 6 GPI 7 GPI 8

IO Address

0xA03h

0xA06h

Bit 4 5 6 7 0 1 2 3

Sample code

GPO 1 GPO 2 GPO 3 GPO 4 GPO 5 GPO 6 GPO 7 GPO 8

IO Address

0xA02h

0xA06h

0xA07h

0xA08h

0xA04h

Bit 0 1 2 3 4 7 0 7

Sample code