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    參數(shù)資料
    型號: MC68HC11K4MFN2
    廠商: MOTOROLA INC
    元件分類: 微控制器/微處理器
    英文描述: Technical Summary 8-Bit Microcontroller
    中文描述: 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC84
    封裝: PLASTIC, LCC-84
    文件頁數(shù): 71/80頁
    文件大?。?/td> 420K
    代理商: MC68HC11K4MFN2
    M68HC11 K Series
    MC68HC11KTS/D
    MOTOROLA
    71
    11 Pulse Accumulator
    M68HC11 K-series MCUs have an 8-bit counter that can be configured as a simple event counter or for
    gated time accumulation. The counter can be read or written at any time.
    The port A bit 7 I/O pin can be configured to act as a clock in event counting mode, or as a gate signal
    to enable a free-running clock (E divided by 64) to the 8-bit counter in gated time accumulation mode.
    Figure 18 Pulse Accumulator System Block Diagram
    Common XTAL Frequencies
    12.0 MHz
    3.0 MHz
    333 ns
    8.0 MHz
    2.0 MHz
    500 ns
    16.0 MHz
    4.0 MHz
    250 ns
    CPU Clock
    Cycle Time
    (E)
    (1/E)
    Pulse Accumulator (Gated Mode)
    32.0
    μ
    s
    8.192 ms
    1 Count —
    (2
    6
    /E)
    (2
    14
    /E)
    21.33
    μ
    s
    5.461 ms
    16.0
    μ
    s
    4.096 ms
    Overflow —
    P
    P
    P
    PACTL
    CONTROL
    INTERNAL
    DATA BUS
    PACNT
    8-BIT COUNTER
    PA7/
    PAI/
    OC1
    INTERRUPT
    REQUESTS
    P
    P
    TFLG2
    INTERRUPT STATUS
    P
    P
    PAOVF
    PAOVI
    PAIF
    PAII
    TMSK2
    INT ENABLES
    1
    2
    OVERFLOW
    ENABLE
    DISABLE
    FLAG SETTING
    CLOCK
    PAI EDGE
    PAEN
    PAEN
    2:1
    MUX
    OUTPUT
    BUFFER
    INPUT BUFFER
    AND
    EDGE DETECTOR
    FROM
    MAIN TIMER
    OC1
    DATA BUS
    PIN
    E
    ÷
    64 CLOCK
    (FROM MAIN TIMER)
    FROM
    DDRA7
    相關(guān)PDF資料
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    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
    MC68HC11K4MFN3 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Technical Summary 8-Bit Microcontroller
    MC68HC11K4MFN4 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
    MC68HC11K4MFS2 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
    MC68HC11K4MFS3 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
    MC68HC11K4MFS4 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT