Acnodes Markası'nın Ürünleri

PCH 7991

19 inch Atom Fanless Panel PC

are subject to change without notice. For latest product information,

please visit Acnodes’ web site at www.acnodes.com.

14628 Central Ave.

Chino, CA91710

Tel:909.597.7588, Fax:909.597.1939

mov

dx, 4Eh

mov

al, 0 E5h

;GPIO data reg.

out

dx, al

mov

dx, 4Fh

al, d x

and al, not 00000100b out

dx, al

Examp le C code:

//Set GPO62

outportb(0x4E, 0xE5); //GPIO data re g.

Outportb(0x4F, (inportb(0x4F)|0x4)); //Set Bit[2]

//Clear GPO62

outportb(0x4E, 0xE5); //GPIO data re g.

Outportb(0x4F, (inportb(0x4F)&0x FB)); //C lear Bit [2]

The foll ow ings are C language source code:

#include "stdio.h"

#include "conio .h"

//Super I/O index acc ess port

#def ine INDEXP 0x4E

#def ine DATAP 0x4F

//Enter super I/O programming mode

#def ine EN TERPRG { \

outportb(INDEXP, 0x87); \

outportb(INDEXP, 0x87);