STC micro STC8A8K64D4 Series - Page 136

STC8A8K64D4 Series Manual
-
- 120 -
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 0023H
LJMP UART_ISR
ORG 0100H
UART_ISR:
JNB TI,CHKRI
CLR TI
CLR BUSY
CHKRI:
JNB RI,UARTISR_EXIT
CLR RI
UARTISR_EXIT:
RETI
UART_INIT:
MOV SCON,#50H
MOV TMOD,#00H
MOV TL1,#0E8H ;65536-11059200/115200/4=0FFE8H
MOV TH1,#0FFH
SETB TR1
MOV AUXR,#40H
CLR BUSY
RET
UART_SEND:
JB BUSY,$
SETB BUSY
MOV SBUF,A
RET
MAIN:
MOV SP, #5FH
MOV P0M0, #00H
MOV P0M1, #00H
MOV P1M0, #00H
MOV P1M1, #00H
MOV P2M0, #00H
MOV P2M1, #00H
MOV P3M0, #00H
MOV P3M1, #00H
MOV P4M0, #00H
MOV P4M1, #00H
MOV P5M0, #00H
MOV P5M1, #00H
LCALL UART_INIT