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    參數(shù)資料
    型號(hào): MC68HC11A1CFN2
    廠商: ABILIS SYSTEMS
    元件分類: 微控制器/微處理器
    英文描述: 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC52
    封裝: PLASTIC, LCC-52
    文件頁數(shù): 50/158頁
    文件大?。?/td> 3803K
    代理商: MC68HC11A1CFN2
    ELECTRICAL CHARACTERISTICS
    MOTOROLA
    TECHNICAL DATA
    A-23
    A
    NOTES:
    1. All timing is shown with respect to 20% VDD and 70% VDD, unless otherwise noted.
    2. Signal production depends on software.
    3. Assumes 200 pF load on all SPI pins.
    Table A-8a Serial Peripheral Interface (SPI) Timing (MC68L11A8)
    VDD = 3.0 Vdc to 5.5 Vdc, VSS = 0 Vdc, TA = TL to TH
    Num
    Characteristic
    Symbol
    1.0 MHz
    2.0 MHz
    Unit
    Min
    Max
    Min
    Max
    Operating Frequency
    Master
    Slave
    fop(m)
    fop(s)
    dc
    0.5
    1.0
    dc
    0.5
    2.0
    fop
    MHz
    1
    Cycle Time
    Master
    Slave
    tcyc(m)
    tcyc(s)
    2.0
    1000
    2.0
    500
    tcyc
    ns
    2
    Enable Lead Time
    Master
    (Note 2)
    Slave
    tlead(m)
    tlead(s)
    500
    250
    ns
    3
    Enable Lag Time
    Master
    (Note 2)
    Slave
    tlag(m)
    tlag(s)
    500
    250
    ns
    4
    Clock (SCK) High Time
    Master
    Slave
    tw(SCKH)m
    tw(SCKH)s
    680
    380
    340
    190
    ns
    5
    Clock (SCK) Low Time
    Master
    Slave
    tw(SCKL)m
    tw(SCKL)s
    680
    380
    340
    190
    ns
    6
    Data Setup Time (Inputs)
    Master
    Slave
    tsu(m)
    tsu(s)
    100
    100
    ns
    7
    Data Hold Time (Inputs)
    Master
    Slave
    th(m)
    th(s)
    100
    100
    ns
    8
    Access Time (Time to Data Active from High-
    Impedance State)
    Slave
    ta
    0
    120
    0
    120
    ns
    9
    Disable Time (Hold Time to High-Impedance State)
    Slave
    tdis
    240
    240
    ns
    10
    Data Valid (After Enable Edge)(Note 3)
    tv(s)
    240
    240
    ns
    11
    Data Hold Time (Outputs) (After Enable Edge)
    tho
    0—0—
    ns
    12
    Rise Time (20% VDD to 70% VDD, CL = 200 pF)
    SPI Outputs (SCK, MOSI, and MISO)
    SPI Inputs (SCK, MOSI, MISO, and SS)
    trm
    trs
    100
    2.0
    100
    2.0
    ns
    s
    13
    Fall Time (70% VDD to 20% VDD, CL = 200 pF)
    SPI Outputs (SCK, MOSI, and MISO)
    SPI Inputs (SCK, MOSI, MISO, and SS)
    tfm
    tfs
    100
    2.0
    100
    2.0
    ns
    s
    F
    re
    e
    sc
    a
    le
    S
    e
    m
    ic
    o
    n
    d
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    c
    to
    r,
    I
    Freescale Semiconductor, Inc.
    For More Information On This Product,
    Go to: www.freescale.com
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