參數(shù)資料
    型號(hào): MTU8B57EP
    廠商: Electronic Theatre Controls, Inc.
    元件分類(lèi): 8位微控制器
    英文描述: EPROM-Based 8-Bit CMOS Microcontroller
    中文描述: 存儲(chǔ)器為基礎(chǔ)的8位CMOS微控制器
    文件頁(yè)數(shù): 11/23頁(yè)
    文件大?。?/td> 286K
    代理商: MTU8B57EP
    Revision 1.2
    -
    11 - 24 October 2000
    MTU8B54E/55E/56E/57E
    MYSON
    TECHNOLOGY
    3.6 OSCILLATOR CONFIGURATION
    This device supports four oscillator modes. Users can program two configuration bits to select the appropriate
    mode. These oscillator modes offered as:
    RC: Low-cost crystal
    XTAL: Standard crystal oscillator
    HFXTAL: High frequency crystal oscillator
    LFXTAL: Low frequency crystal oscillator
    3.6.1 XTAL, HFXTAL or LFXTAL modes
    3.6.2 RC Oscillator Mode
    3.7 CONFIGURATION WORD
    Bit 3
    Code Protect
    WDT Enable
    1
    0
    x
    x
    x
    x
    x
    x
    MTU8B54E/55E/56E/57E
    Internal
    Circuit
    SLEEP
    RF
    RS
    XTAL
    C
    1
    C
    2
    (a) Crystal Operation (or Ceramic Resonator)
    OSCI
    OSCO
    (b) External Clock Input Operation
    MTU8B54E/55E/56E/57E
    OSCI
    OSCO
    Open
    Clock from
    external system
    MTU8B54E/55E/56E/57E
    OSCI
    OSCO
    0
    4
    ÷
    R
    C
    internal
    clock
    Bit2
    Bit1
    Oscillator Type
    x
    x
    x
    x
    1
    1
    0
    0
    Bit0
    Oscillator Type
    x
    x
    x
    x
    1
    0
    1
    0
    Function
    Remark
    x
    x
    1
    0
    x
    x
    x
    x
    EPROM unprotected
    EPROM protected
    Watchdog Timer enable
    Watchdog Timer disable
    RC
    HFXTAL
    XTAL
    LFXTAL
    Default
    Default
    Default
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