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    參數(shù)資料
    型號: MC68HC705CT4FN
    廠商: MOTOROLA INC
    元件分類: 微控制器/微處理器
    英文描述: 8-BIT, OTPROM, 2.048 MHz, MICROCONTROLLER, PQCC44
    封裝: PLASTIC, LCC-44
    文件頁數(shù): 132/152頁
    文件大?。?/td> 668K
    代理商: MC68HC705CT4FN
    NON-DISCLOSURE
    AGREEMENT
    REQUIRED
    Core Timer
    General Release Specification
    MC68HC705CT4 Rev. 2.0
    80
    Core Timer
    MOTOROLA
    Figure 10-1. Core Timer Block Diagram
    COP
    CLEAR
    INTERNAL BUS
    $09 CORE TIMER COUNTER REGISTER (CTCR)
    5-BIT COUNTER
    CTOF
    RTIF
    TOFE
    RTIE
    RT1
    INTERRUPT CIRCUIT
    $08
    RTI SELECT CIRCUIT
    STATUS REGISTER
    RT0
    TIMER CONTROL &
    OVERFLOW
    CIRCUIT
    DETECT
    COP WATCHDOG
    TIMER (
    ÷ 8)
    TO RESET
    LOGIC
    8
    RTFC
    TOFC
    E/2
    10
    TCBP
    CTCSR
    CTCR
    INTERNAL PERIPHERAL CLOCK (E)
    TO INTERRUPT
    LOGIC
    RTIOUT
    E / 2
    12
    POR
    E/22
    DIV
    ÷ 4
    E / 2
    17
    E / 2
    16
    E / 2
    15
    E / 2
    14
    23
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