Low-pin count, general-purpose MCU with built-in A/D converter, serial interface, on-chip oscillator, etc. Maximum oscillation frequency is 8MHz. Comes in 32-pin and 36-pin packages. Available in QzROM versions.

 

Main Solutions

Key Features:

[QzROM Version]

  • Basic machine-language instructions: 71
  • The minimum instruction execution time: 0.25 μs (at 8 MHz oscillationfrequency, double-speed mode)
  • Memory size
    • ROM: 8 K bytes
    • RAM: 256 bytes
  • Programmable I/O ports: 25
  • Interrupts: 12 sources, 12 vectors
  • Timers: 8-bit × 2, 16-bit × 1
  • Serial Interface: 8-bit × 1 (UART or Clock-synchronized)
  • A/D converter: 8-bit × 6 channels
  • Clock generating circuit: Built-in type
    • low-power dissipation by an on-chip oscillator enabled
    • connect to external ceramic resonator or quartz-crystal oscillatorpermitting RC oscillation
  • Watchdog timer: 16-bit × 1
  • Power source voltage
    • XIN oscillation frequency at ceramic/quartz-crystal oscillation, indouble-speed mode
      • 4.5 to 5.5 V (At 8 MHz)
      • 4.0 to 5.5 V (At 4 MHz)
      • 2.4 to 5.5 V (At 2 MHz)
    • XIN oscillation frequency at ceramic/quartz-crystal oscillation, inhigh-speed mode
      • 4.0 to 5.5 V (At 8 MHz)
      • 2.4 to 5.5 V (At 4 MHz)
    • XIN oscillation frequency at RC oscillation
      • 4.0 to 5.5 V (At 4 MHz)
      • 2.4 to 5.5 V (At 2 MHz)
    • XIN oscillation frequency at on-chip oscillator: 1.8 to 5.5 V
  • Power dissipation: 22.5mW(standard)
  • Operating temperature range: –20 to 85 degrees C

 

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Hardware Design Support

Title Description
Reference oscillator circuit constants Oscillator circuit constants provided for reference by Murata Manufacturing, Kyocera and Nihon Dempa Kogyo.
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