參數(shù)資料
      型號(hào): M38B48EEH-XXXXFP
      廠商: Mitsubishi Electric Corporation
      英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
      中文描述: 單芯片8位CMOS微機(jī)
      文件頁(yè)數(shù): 58/78頁(yè)
      文件大?。?/td> 1214K
      代理商: M38B48EEH-XXXXFP
      58
      38B4 Group
      SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
      MITSUBISHI MICROCOMPUTERS
      BUZZER OUTPUT CIRCUIT
      The 38B4 group has a buzzer output circuit. One of 1 kHz, 2 kHz and
      4 kHz (at X
      IN
      = 4.19 MHz) frequencies can be selected by the buzzer
      output control register (address 0EFD
      16
      ). Either P4
      3
      /B
      UZ01
      or P2
      0
      /
      B
      UZ02
      /FLD
      0
      can be selected as a buzzer output port by the output
      port selection bits (b2 and b3 of address 0EFD
      16
      ).
      The buzzer output is controlled by the buzzer output ON/OFF bit
      (b4).
      Fig. 66 Block diagram of buzzer output circuit
      Fig. 67 Structure of buzzer output control register
      f(
      X
      I
      N
      )
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