STC micro STC8A8K64D4 Series - Example Routines; Timer 0 (Mode 0 - 16-Bit Auto Reload)

STC8A8K64D4 Series Manual
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13.5 Example Routines
13.5.1 Timer 0 (Mode 0 – 16-bit auto reload)
C language code
//Operating frequency for test is 11.0592MHz
#include “reg51.h”
#include “intrins.h”
sfr P0M1 = 0x93;
sfr P0M0 = 0x94;
sfr P1M1 = 0x91;
sfr P1M0 = 0x92;
sfr P2M1 = 0x95;
sfr P2M0 = 0x96;
sfr P3M1 = 0xb1;
sfr P3M0 = 0xb2;
sfr P4M1 = 0xb3;
sfr P4M0 = 0xb4;
sfr P5M1 = 0xc9;
sfr P5M0 = 0xca;
sbit P10 = P1^0;
void TM0_Isr() interrupt 1
{
P10 = !P10; //Test port
}
void main()
{
P0M0 = 0x00;
P0M1 = 0x00;
P1M0 = 0x00;
P1M1 = 0x00;
P2M0 = 0x00;
P2M1 = 0x00;
P3M0 = 0x00;
P3M1 = 0x00;
P4M0 = 0x00;
P4M1 = 0x00;
P5M0 = 0x00;
P5M1 = 0x00;
TMOD = 0x00; //Mode 0
TL0 = 0x66; //65536-11.0592M/12/1000
TH0 = 0xfc;
TR0 = 1; //Start timer
ET0 = 1; //Enable timer interrupt
EA = 1;
while (1);
}
Assembly code