STC micro STC8A8K64D4 Series - Page 346

STC8A8K64D4 Series Manual
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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 TM2_Isr() interrupt 12
{
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;
T2L = 0xff;
T2H = 0xff;
AUXR = 0x18; //Set external counting mode and start timer
IE2 = ET2; //Enable timer interrupt
EA = 1;
while (1);
}
Assembly code
;Operating frequency for test is 11.0592MHz
T2L DATA 0D7H
T2H DATA 0D6H
AUXR DATA 8EH
IE2 DATA 0AFH
ET2 EQU 04H
AUXINTIF DATA 0EFH
T2IF EQU 01H
P0M1 DATA 093H
P0M0 DATA 094H
P1M1 DATA 091H