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    參數(shù)資料
    型號(hào): P89C51UBBB
    廠商: NXP SEMICONDUCTORS
    元件分類: 微控制器/微處理器
    英文描述: 80C51 8-bit microcontroller family 4K/8K/16K/32K Flash
    中文描述: 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
    封裝: PLASTIC, QFP-44
    文件頁(yè)數(shù): 5/68頁(yè)
    文件大小: 404K
    代理商: P89C51UBBB
    Philips Semiconductors
    Preliminary data
    P89C51RA2/RB2/RC2/RD2xx
    80C51 8-bit Flash microcontroller family
    8KB/16KB/32KB/64KB ISP/IAP Flash with 512B/512B/512B/1KB RAM
    2002 Jul 18
    5
    BLOCK DIAGRAM – CPU ORIENTED
    SU01065
    PSEN
    EAV
    PP
    ALE
    RST
    XTAL1
    XTAL2
    V
    CC
    V
    SS
    PORT 0
    PORT 2
    REGISTER
    RAM
    LATCH
    LATCH
    FLASH
    REGISTER
    B
    ACC
    STACK
    TMP2
    TMP1
    ALU
    TAND
    CONTROL
    I
    R
    PD
    OSCILLATOR
    PSW
    PORT 1
    LATCH
    PORT 3
    LATCH
    PORT 1
    DRIVERS
    PORT 3
    DRIVERS
    ADDRESS
    REGISTER
    BUFFER
    PC
    INCRE-
    COUNTER
    DPTR’S
    MULTIPLE
    P1.0–P1.7
    P3.0–P3.7
    P0.0–P0.7
    P2.0–P2.7
    SFRs
    TIMERS
    P.C.A.
    8
    8
    16
    相關(guān)PDF資料
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    參數(shù)描述
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