STC micro STC8A8K64D4 Series - Page 377

STC8A8K64D4 Series Manual
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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 TM4_Isr() interrupt 20
{
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;
T4L = 0x66; //65536-11.0592M/12/1000
T4H = 0xfc;
T4T3M = 0x80; //Start timer
IE2 = ET4; //Enable timer interrupt
EA = 1;
while (1);
}
Assembly code
;Operating frequency for test is 11.0592MHz
T4T3M DATA 0D1H
T4L DATA 0D3H
T4H DATA 0D2H
T3L DATA 0D5H
T3H DATA 0D4H
T2L DATA 0D7H
T2H DATA 0D6H
AUXR DATA 8EH
IE2 DATA 0AFH
ET2 EQU 04H