在include/adm/io.h里定义。 inb_p()、outb_p()与inb()、outb_p()的不同在于前者在存取I/O时有等待(pause)一适应慢速的I/O设备。 -the include / adm / io.h Lane definition. Inb_p (), outb_p () and quick (), outb_p () different is that the former access to the I / O wait time (pause)

单片机IO口模拟I2C总线访问EEPROM，内有protues仿真文件。-Microcontroller IO port analog I2C bus access to EEPROM, there protues simulation files.

/RS,RW,E分别接RE0,RE1,RE2 D7-D0接RD口 #include <pic.h> /*头文件*/ #define LCD_RS RE0 /*定义引脚*/ #define LCD_RW RE1 #define LCD_E RE2 #define Busy RD7 void WR_COMM() void DISPLY() void CHECK_BF() void PLAY_LCD() /*函数声明*/ vo

多个IO口接多个DS18B20的程序,不同于现有的单总线挂多个传感器程序。-Multiple IO port access multiple DS18B20 procedures