Features • Compatible with MCS-51® Products • 8K Bytes of In-System Programmable (ISP) Flash Memory – Endurance: 1000 Write/Erase Cycles • 4.0V to 5.5V Operating Range • Fully Static Operation: 0 Hz to 33 MHz •

#include "stc15.h" #define MAIN_Fosc 24000000 //定义主时钟 typedef unsigned char u8; typedef unsigned int u16; typedef unsigned long u32; #define Timer0_Reload (MAIN_Fosc / 1000) //Timer 0 中断频率, 1000次/秒