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abdul-rehman-2050/UART_8051.hex

Created March 14, 2018 14:47
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Controlling LEDs or devices via UART in 8051 architecture using Assembly Language
Raw
UART_8051.hex
:10000000758920758DFD759852D28EC2A2C2A0C28C
:10001000A17448114674451146744C1146744C1134
:100020004674301146740D1146740A1146114E1172
:1000300046B45204B2A080F5B45904B2A180EEB423
:1000400047EBB2A280E73099FDC299F5992230982A
:06005000FDC298E59922B3
:00000001FF
Raw
UART_8051_ex01.asm
LED_RED BIT P2.0
LED_GRE BIT P2.2
LED_YEL BIT P2.1
ORG 0H
MOV TMOD,#20H ;TIMER 1 , MODE 2
MOV TH1,#-3 ;9600 BAUD RATE @11.059MHZ
MOV SCON,#52H ;8-BIT , 1 STOP , REN ENABLED
SETB TR1 ;START TIMER 1
;R,Y,G
MAIN:
CLR LED_GRE
CLR LED_RED
CLR LED_YEL
MOV A,#'H'
ACALL TX
MOV A,#'E'
ACALL TX
MOV A,#'L'
ACALL TX
MOV A,#'L'
ACALL TX
MOV A,#'0'
ACALL TX
MOV A,#13
ACALL TX
MOV A,#10
ACALL TX
ML1:
ACALL RX
ACALL TX
CJNE A,#'R',COMP_Y
CPL LED_RED
SJMP ML1
COMP_Y:
CJNE A,#'Y',COMP_G
CPL LED_YEL
SJMP ML1
COMP_G:
CJNE A,#'G',ML1
CPL LED_GRE
SJMP ML1
;======== SERIAL DATA TRANSMIT ==================
TX: JNB TI,$
CLR TI
MOV SBUF,A
RET
;======== SERIAL DATA RECEIVE ==================
RX: JNB RI,$
CLR RI
MOV A,SBUF
RET
END
@sanchari1980
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sir,
plz send me the8051 circuit diagram and asm program for display data by 7segment display. data through serial port

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