STC8A8K64D4 Series Manual
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}
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;
S2CON = 0x10;
T2L = 0xe8; //65536-11059200/115200/4=0FFE8H
T2H = 0xff;
AUXR = 0x14; //Start timer
IE2 = ES2; //Enable UART2 interrupt
EA = 1;
S2BUF = 0x5a; // Send test data
while (1);
}
Assembly code
;Operating frequency for test is 11.0592MHz
T2L DATA 0D7H
T2H DATA 0D6H
AUXR DATA 8EH
S2CON DATA 9AH
S2BUF DATA 9BH
IE2 DATA 0AFH
ES2 EQU 01H
P0M1 DATA 093H
P0M0 DATA 094H
P1M1 DATA 091H
P1M0 DATA 092H
P2M1 DATA 095H
P2M0 DATA 096H
P3M1 DATA 0B1H
P3M0 DATA 0B2H
P4M1 DATA 0B3H
P4M0 DATA 0B4H
P5M1 DATA 0C9H
P5M0 DATA 0CAH
ORG 0000H
LJMP MAIN
ORG 0043H
LJMP UART2ISR
ORG 0100H
UART2ISR:
PUSH ACC
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