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    參數(shù)資料
    型號： P87C51RA2
    廠商： NXP Semiconductors N.V.
    英文描述： 80C51 8-bit microcontroller family
    中文描述： 80C51的8位單片機(jī)系列
    文件頁數(shù)： 22/34頁
    文件大?。?/td> 394K
    代理商： P87C51RA2
    2001 Apr 06
    22
    Philips Semiconductors
    Preliminary specification
    P87C51MB2/P87C51MC2
    80C51 8-bit microcontroller family with extended memory
    64KB/96KB OTP with 2KB/3KB RAM
    Notes:
    1. Parameters are valid over operating temperature range unless otherwise specified.
    2. Load capacitance for port 0, ALE, and PSEN = 100pF, load capacitance for all other outputs = 80pF.
    3. Interfacing the microcontroller to devices with float times up to 45ns is permitted. This limited bus contention will not cause
    damage to Port 0 drivers.
    4. Parts are tested down to 2 MHz, but are guaranteed to operate down to 0Hz.
    Shift Register
    t
    XLXL
    7
    Serial port clock cycle time
    Output data setup to clock rising
    edge
    Output data hold after clock rising
    edge
    Input data hold after clock rising
    edge
    Clock rising edge to input data valid
    6t
    CLCL
    500
    6t
    CLCL
    250
    ns
    t
    QVXH
    7
    5t
    CLCL
    -221
    195
    5t
    CLCL
    -110
    98
    ns
    t
    XHQX
    7
    t
    CLCL
    -50
    34
    t
    CLCL
    -25
    17
    ns
    t
    XHDX
    7
    0
    0
    0
    0
    ns
    t
    XHDV
    SPI Interface
    7
    5t
    CLCL
    -222
    195
    5t
    CLCL
    -111
    97
    ns
    f
    SPI
    Operating frequency
    - 3.0MHz
    - 6.0MHz
    Cycle time
    - 3.0MHz
    - 6.0MHz
    Enable lead time (Slave)
    - 3.0MHz
    - 6.0MHz
    Enable lag time (Slave)
    - 3.0MHz
    - 6.0MHz
    SPICLK high time
    - Master
    - Slave
    SPICLK low time
    - Master
    - Slave
    MHz
    0
    -
    3.0
    -
    0
    -
    3.0
    -
    0
    0
    3.0
    6.0
    0
    0
    3.0
    6.0
    t
    SPICYC
    8, 9, 10, 11
    ns
    333
    -
    333
    -
    333
    166
    333
    166
    t
    SPILEAD
    10, 11
    ns
    TBD
    -
    TBD
    -
    TBD
    TBD
    TBD
    TBD
    t
    SPILAG
    10, 11
    ns
    TBD
    -
    TBD
    -
    TBD
    TBD
    TBD
    TBD
    t
    SPICLKH
    8, 9, 10, 11
    ns
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    t
    SPICLKL
    8, 9, 10, 11
    ns
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    t
    SPIDSU
    t
    SPIDH
    t
    SPIA
    8, 9, 10, 11 Data setup time (Master or Slave)
    ns
    8, 9, 10, 11 Data hold time (Master or Slave)
    TBD
    TBD
    TBD
    TBD
    ns
    10, 11
    Access time (Slave)
    Disable time (Slave)
    - 3.0MHz
    - 6.0MHz
    Enable to output data valid
    - 3.0MHz
    - 6.0MHz
    8, 9, 10, 11 Output data hold time
    Rise time
    - SPI outputs (SPICLK,MOSI, MISO)
    - SPI inputs (SPICLK,MOSI, MISO,
    SS)
    Fall time
    - SPI outputs (SPICLK,MOSI, MISO)
    - SPI inputs (SPICLK,MOSI, MISO,
    SS)
    TBD
    TBD
    TBD
    TBD
    ns
    t
    SPIDIS
    10, 11
    ns
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    t
    SPIDV
    8, 9, 10, 11
    ns
    TBD
    -
    TBD
    -
    TBD
    TBD
    TBD
    TBD
    t
    SPIOH
    0
    0
    0
    0
    ns
    t
    SPIR
    8, 9, 10, 11
    ns
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    t
    SPIF
    8, 9, 10, 11
    ns
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    TBD
    SYMBOL FIGURE(S)
    PARAMETER
    2.7V < VDD < 5.5V
    4.5V < VDD < 5.5V
    UNIT
    Variable Clock
    4
    f
    OSC
    =12MHz
    4
    MIN
    Variable Clock
    4
    f
    OSC
    =24MHz
    4
    MIN
    MIN
    MAX
    MAX
    MIN
    MAX
    MAX
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    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
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    P87C51RA2BA 制造商:NXP Semiconductors 功能描述:MCU 8-bit P87 80C51 CISC 8KB EPROM 3.3V/5V 44-Pin PLCC Tube
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