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STC micro STC8A8K64D4 Series - UART1 Using T1 (Mode 0) as Baud Rate Generator

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STC8A8K64D4 Series Manual
- 393 -
LCALL UART_SEND
INC DPTR
JMP UART_SENDSTR
SENDEND:
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
SETB ES
SETB EA
MOV DPTR,#STRING
LCALL UART_SENDSTR
LOOP:
MOV A,RPTR
XRL A,WPTR
ANL A,#0FH
JZ LOOP
MOV A,RPTR
ANL A,#0FH
ADD A,#BUFFER
MOV R0,A
MOV A,@R0
LCALL UART_SEND
INC RPTR
JMP LOOP
STRING: DB 'Uart Test !',0DH,0AH,00H
END
14.8.2 UART1 using T1 (Mode 0) as baud rate generator
C language code
//Operating frequency for test is 11.0592MHz
#include "reg51.h"
#include "intrins.h"
#define FOSC 11059200UL

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