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    Modul I-O Aa

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    Fake One
    1) The document describes the 8085 microprocessor and its programmed input/output (I/O) functionality. It discusses the instruction format, address latch enable (ALE), and port addressing. 2) It provides examples of 8085 programs that configure the ports of an 8155 I/O interface chip and control LEDs by writing to ports. 3) The programs demonstrate how to configure the 8155 ports as inputs or outputs, read input values from ports, and write values to ports to control LED states.

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    Modul I-O Aa

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    Fake One
    27 views8 pages
    1) The document describes the 8085 microprocessor and its programmed input/output (I/O) functionality. It discusses the instruction format, address latch enable (ALE), and port addressing. 2) It provides examples of 8085 programs that configure the ports of an 8155 I/O interface chip and control LEDs by writing to ports. 3) The programs demonstrate how to configure the 8155 ports as inputs or outputs, read input values from ports, and write values to ports to control LED states.

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    Original Title

    MODUL I-O AA

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    1) The document describes the 8085 microprocessor and its programmed input/output (I/O) functionality. It discusses the instruction format, address latch enable (ALE), and port addressing. 2) It provides examples of 8085 programs that configure the ports of an 8155 I/O interface chip and control LEDs by writing to ports. 3) The programs demonstrate how to configure the 8155 ports as inputs or outputs, read input values from ports, and write values to ports to control LED states.

    Copyright:

    © All Rights Reserved
    Download as XLSX, PDF, TXT or read online from Scribd
    Download as xlsx, pdf, or txt
    27 views8 pages

    Modul I-O Aa

    Uploaded by

    Fake One
    1) The document describes the 8085 microprocessor and its programmed input/output (I/O) functionality. It discusses the instruction format, address latch enable (ALE), and port addressing. 2) It provides examples of 8085 programs that configure the ports of an 8155 I/O interface chip and control LEDs by writing to ports. 3) The programs demonstrate how to configure the 8155 ports as inputs or outputs, read input values from ports, and write values to ports to control LED states.

    Copyright:

    © All Rights Reserved
    Download as XLSX, PDF, TXT or read online from Scribd
    Download as xlsx, pdf, or txt
    of 8

    M.

    Rafi + Dwi Hendra + M Dzaki = 100


    Mario + Winter + Andhika = 100

    input = switch
    output = LED
    8 bit = 10100011
    ALE = Address Latch Enable

    8085 PROGRAMMED I/O


    Instruksi terdiri 2 Byte = 16 bit
    contoh : in port A ---> in = 1 Byte ; port A = 1 Byte
    alamat port = 1 byte, contoh : A0H = 1010 0000 ; B1H

    PA0
    MIKROPROSESSOR INPUT PA1
    PORT I/O

    ACCUMULATOR
    PB0
    PB1
    OUTPUT

    STANDAR I/O ---> Karena perintah nya menggunakan In dan Out

    port i/o port i/o


    type 8355 type 8755
    PA0 PA0
    PA7 PA7
    ROM 2KB EPROM
    2KB
    PB0 PB0
    PB7 PB7

    port i/o port i/o


    type 8155 type 8156
    PA0 PA0
    /CE PA7 CE PA7
    RAM RAM
    256Byte 256Byte

    PC0 PB0 PC0 PB0


    PC5 PB7 PC5 PB7

    Interface antara 8085 dan 8155

    PA0
    MIKROPROSESSOR INPUT PA1
    PORT I/O
    type 8155
    ACCUMULATOR
    PC0 PB0
    PC5 PB7
    OUTPUT

    alamat port 8 bit


    misal port A = B9 --> ditulis dalam 16 bit = B9B9
    misal port B = BA --> ditulis dalam 16 bit = BABA
    CSR --> B0 ALAMAT PORT B --> FA
    PORT A--> B1 ALAMAT CSR --> F0
    PORT B --> B2 CSR EQU F0
    PORT C --> B3 PORT B EQU FA

    CSR = COMMAND STATUS REGISTER


    port C po
    CSR 0 0 0 0 0 0
    timer control enable enable
    port b port a
    interrupt interrupt

    PORT I/O 8155


    PA0
    PA1
    PA2
    MIKROPROSESSOR PA3
    8085 PA4
    ACCUMULATOR PA5
    0001 0000 PA6
    CSR PA7
    0000 0010
    PB0 0
    PB1 0
    PB2 0
    PB3 0
    PB4 1
    PB5 0
    PB6 0
    PB7 0
    0 = INPUT
    1 = OUTPUT
    MVI = MOVE IMMEDIATE ORG 300
    MVI A, 0FF ; ACC <--- 0FF CSR EQU 20H
    PORT B EQU 22H
    CLA
    mengkonfigurasi port B menjadi MVI A, 02H ; ACC <-- 02H
    output OUT CSR ; CSR <--- ACC
    MVI A, 02H ; ACC <-- 02H
    MVI A, 10H ; ACC <-- 10H
    OUT PORT B ; PORT B <--- ACC
    HLT

    PORT I/O 8155


    PA0 1
    PA1
    PA2
    MIKROPROSESSOR PA3
    8085 PA4
    ACCUMULATOR PA5
    1100 0000 PA6
    CSR PA7
    0000 0010
    PB0
    PB1
    PB2
    PB3
    PB4
    PB5
    PB6
    PB7
    ORG 300
    CSR EQU 70H
    PORT A EQU 71H
    CLA
    MVI A, 00H ; ACC <-- 00H
    OUT CSR ; CSR <--- ACC Mengkonfigurasi port A sbg input
    START, IN PORT A ; ACC <--- PORT A
    ANI A, C0H ; ACC <--- ACC AND C0H 1100 0000 AND 1100 0000 = 1100 00
    JPE LEDON
    MVI A, 01H ; ACC <-- 01H
    OUT CSR ; CSR <--- ACC Mengkonfigurasi port A sbg OUTPUT
    MVI A, 00H ; ACC <-- 00H
    OUT PORT A ; PORT A <--- ACC MEMATIKAN LED
    JUMP START
    LEDON, MVI A, 01H ; ACC <-- 01H
    OUT CSR ; CSR <--- ACC Mengkonfigurasi port A sbg OUTPUT
    MVI A, 01H ; ACC <-- 01H
    OUT PORT A ; PORT A <--- ACC MENYALAKAN LED
    JUMP START
    HLT
    port C port B port A
    0 0 0

    LED
    1= nyala
    0 = mati
    C <-- 02H ACC = 0000 0010

    C <-- 02H
    C <-- 10H ACC = 0001 0000
    T B <--- ACC

    LED 1= nyala
    0 = mati

    S1 1 = Terhubung
    S2 0 = tdk terhubung

    S2 S1 LED
    1 1 ON
    1 0 OFF
    0 1 OFF
    0 0 OFF

    JPE = JUMP PARITY EVEN


    JPO = JUMP PARITY ODD
    harus melalui operasi arimatika atau logika
    1100 0000
    1100 0000
    1100 0000

    00 0000 = 1100 0000

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