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      參數(shù)資料
      型號: MC68HC05K1VDW
      廠商: MOTOROLA INC
      元件分類: 微控制器/微處理器
      英文描述: 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PDSO16
      封裝: SOIC-16
      文件頁數(shù): 102/154頁
      文件大小: 1544K
      代理商: MC68HC05K1VDW
      Interrupts
      Interrupt Processing
      MC68HC05K0 MC68HC05K1 — Rev. 2.0
      Technical Data
      MOTOROLA
      Interrupts
      51
      Table 4-1 summarizes the reset and interrupt sources and vector
      assignments.
      NOTE:
      If more than one interrupt request is pending, the CPU fetches the vector
      of the higher priority interrupt first. A higher priority interrupt does not
      interrupt a lower priority interrupt service routine unless the lower priority
      interrupt service routine clears the I bit.
      Table 4-1. Reset/Interrupt Vector Addresses
      Function
      Source
      Local
      Mask
      Global
      Mask
      Priority
      (1 = Highest)
      Vector Address
      Reset
      Power-on
      logic
      None
      1
      $03FE–$03FF
      RESET pin
      COP
      watchdog(1)
      1. The computer operating properly (COP) watchdog is a mask option.
      Low-voltage
      detect(2)
      2. The low-voltage reset function is a mask option.
      Illegal
      address
      logic
      Software
      interrupt
      (SWI)
      User code
      None
      Same priority
      as instruction
      $03FC–$03FD
      External
      interrupts
      IRQ/VPP pin
      IRQE bit
      I bit
      2
      $03FA–$03FB
      PA3 pin(3)
      3. Port A interrupt capability is a mask option.
      PA2 pin(3)
      PA1 pin(3)
      PA0 pin(3)
      Timer
      interrupts
      TOF bit
      TOIE bit
      I bit
      3
      $03F8–$03F9
      RTIF bit
      RTIE bit
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