extio.h

一种电话遥控板的原程序

sbit RDY	= P0^0 ;
sbit TTSTXD	= P0^3 ;
sbit OE_FSK	= P0^4 ;
sbit DV_FSK	= P0^5 ;
sbit PDWN  	= P0^6 ;
sbit FSKDIN	= P0^7 ;

sbit SCL   	= P1^0 ;
sbit SDA	= P1^1 ;
sbit CE    	= P1^3 ;
sbit SW  	= P1^4 ;
sbit DXC	= P1^5 ;
sbit OE		= P1^6 ;
sbit DV		= P1^7 ;

sbit RING  	= P3^2 ;
sbit DATA  	= P3^3 ;
sbit CLK	= P3^4 ;
sbit Sign  	= P3^5 ;
//sbit VIN  	= P3^6 ;
//sbit VOUT 	= P3^7 ;