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| #include <atmel/REGX52.H>
void main(void) { TMOD = 0X01; TH0 = (65536 - 50000) / 256; TL0 = (65536 - 50000) % 256; EA = 1; ET0 = 1; TR0 = 1; P0_0 = 1; while(1); }
void timer0() interrupt 1 { TH0 = (65536 - 50000) / 256; TL0 = (65536 - 50000) % 256; P0_0 = ~P0_0; }
|