STC micro STC8A8K64D4 Series - Page 263

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 P12 = P1^2;
sbit P13 = P1^3;
void UART3_Isr() interrupt 17
{
if (S3CON & 0x02)
{
S3CON &= ~0x02; //Clear interrupt flag
P12 = !P12; //Test port
}
if (S3CON & 0x01)
{
S3CON &= ~0x01; //Clear interrupt flag
P13 = !P13; //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;
S3CON = 0x10;
T2L = 0xe8; //65536-11059200/115200/4=0FFE8H
T2H = 0xff;
AUXR = 0x14; //Start timer
IE2 = ES3; //Enable UART3 interrupt
EA = 1;
S3BUF = 0x5a; //Send test data
while (1);
}
Assembly code
;Operating frequency for test is 11.0592MHz
T2L DATA 0D7H
T2H DATA 0D6H