參數(shù)資料
      型號(hào): MC68HC05J1AVDWR2
      廠商: MOTOROLA INC
      元件分類: 微控制器/微處理器
      英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO20
      封裝: SOIC-20
      文件頁數(shù): 42/126頁
      文件大?。?/td> 1118K
      代理商: MC68HC05J1AVDWR2
      Technical Data
      MC68HC05J1A — Rev. 1.0
      22
      General Description
      MOTOROLA
      General Description
      1.6.2.2 Ceramic Resonator
      To reduce cost, use a ceramic resonator in place of the crystal. Use the
      circuit in Figure 1-6 or Figure 1-7 for a ceramic resonator and follow the
      resonator manufacturer’s recommendations. The load capacitance
      values used in the oscillator circuit design should include all stray layout
      capacitances. To minimize output distortion, mount the resonator as
      close as possible to the pins.
      Figure 1-6. Ceramic Resonator Connections
      with Feedback Resistor Mask Option
      Figure 1-7. Ceramic Resonator Connections
      without Feedback Resistor Mask Option
      MCU
      VDD
      VSS
      C1
      C2
      OSC1
      OSC2
      CERAMIC
      C4
      C3
      OSC1
      OSC2
      CERAMIC
      C3
      27 pF
      C4
      27 pF
      RESONA
      T
      O
      R
      VSS
      RESONATOR
      MCU
      VDD
      VSS
      C1
      C2
      OSC1
      OSC2
      R
      CERAMIC
      C4
      C3
      OSC1
      OSC2
      R
      10 M
      CERAMIC
      C3
      27 pF
      C4
      27 pF
      RESONA
      T
      O
      R
      VSS
      RESONATOR
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