本程序是用汇编语言实现数字时钟功能的.通过修改8259中断控制器的中断屏蔽寄存器(21H号端口) 打开时间中断, 实时中断, 键盘中断-this procedure is used assembly language digital clock function. By amending the 8259 interrupt controller interrupt masking registers (21H, port) to open the interruption time, real

基于HLW8012的电能计量演示板程序 void main() { NOP(); NOP(); NOP(); NOP(); Sim(); //禁止全部中断 NOP(); Init_Mcu(); Init_Rom(); Init_CS5817(); Display_Version(); Read_CalData_EEPROM() }(Power metering demonstration board p