STC micro STC8A8K64D4 Series Reference Manual page 341

STC8A8K64D4 Series Manual
P2M0 = 0x00;
P2M1 = 0x00;
P3M0 = 0x00;
P3M1 = 0x00;
P4M0 = 0x00;
P4M1 = 0x00;
P5M0 = 0x00;
P5M1 = 0x00;
UartInit();
ES = 1;
EA = 1;
UartSENDStr("Uart Test !\r\n");
while (1)
{
if (rptr != wptr)
{
UartSEND(buffer[rptr++]);
rptr &= 0x0f;
}
}
}
Assembly code
;Operating frequency for test is 11.0592MHz
AUXR DATA
BUSY BIT
WPTR DATA
RPTR DATA
BUFFER DATA
P0M1 DATA
P0M0 DATA
P1M1 DATA
P1M0 DATA
P2M1 DATA
P2M0 DATA
P3M1 DATA
P3M0 DATA
P4M1 DATA
P4M0 DATA
P5M1 DATA
P5M0 DATA
ORG
LJMP
ORG
LJMP
ORG
UART_ISR:
PUSH
PUSH
8EH
20H.0
21H
22H
23H
093H
094H
091H
092H
095H
096H
0B1H
0B2H
0B3H
0B4H
0C9H
0CAH
0000H
MAIN
0023H
UART_ISR
0100H
ACC
PSW
;16 bytes
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