LCD driver MCU with built-in A/D converter, serial interface, sub-clock, etc. Maximum oscillation frequency is 12.5MHz. Comes in a 64-pin package. QzROM version and Flash memory version are pin-compatible with 38C2A Group. Enhanced with ROM correction function and on-chip oscillator.

 

Main Solutions

Key Features:

  • Basic machine-language instructions: 71
  • The minimum instruction execution time: 0.32 μs(at 12.5 MHz oscillation frequency)
  • Memory size (QzROM version)
    • ROM: 16 K to 60 K bytes
    • RAM: 640 to 2048 bytes
  • Memory size (Flash memory version)
    • ROM: 60 K bytes
    • RAM: 2048 bytes
  • Programmable input/output ports: 51 (common to SEG: 24)
  • Interrupts: 18 sources, 16 vectors
  • Timers: 8-bit × 4, 16-bit × 2
  • Serial Interface : 8-bit × 2 (UART or Clock-synchronized)
  • PWM: 10-bit × 2, 16-bit × 1 (common to IGBT output)
  • A/D converter: 10-bit × 8 channels (A/D converter can be operated in low-speed mode.)
  • Watchdog timer: 8-bit × 1
  • ROM correction function : 32 bytes × 2 vectors
  • LED direct drive port: 8 (average current: 15 mA, peak current: 30 mA, total current: 90 mA)
  • LCD drive control circuit
    • Bias: 1/2, 1/3
    • Duty: 2, 3, 4
    • Common output: 4
    • Segment output: 24
  • Main clock generating circuit: 1 (connect to external ceramic resonator or on-chip oscillator)
  • Sub-clock generating circuit: 1 (connect to external quartz-crystal oscillator)
  • Power source voltage (QzROM version)
    • [In frequency/2 mode]
      • (f(XIN) < 12.5 MHz) : 4.5 to 5.5 V
      • (f(XIN) < 8 MHz) : 4.0 to 5.5 V
      • (f(XIN) < 4 MHz) : 2.0 to 5.5 V
      • (f(XIN) < 2 MHz) : 1.8 to 5.5 V
    • [In frequency/4 mode]
      • (f(XIN) < 16 MHz) : 4.5 to 5.5 V
      • (f(XIN) < 8 MHz) : 2.0 to 5.5 V
      • (f(XIN) < 4 MHz) : 1.8 to 5.5 V
    • [In frequency/8 mode]
      • (f(XIN) < 16 MHz) : 4.5 to 5.5 V
      • (f(XIN) < 8 MHz) : 2.0 to 5.5 V
      • (f(XIN) < 4 MHz) : 1.8 to 5.5 V
    • [In low-speed mode]: 1.8 to 5.5 V
    Note: 12.5 MHz < f(XIN) < 16 MHz is not available in the frequency/2 mode.
  • Power source voltage (Flash memory version)
    • [In frequency/2 mode]
      • (f(XIN) < 12.5 MHz) : 4.5 to 5.5 V
      • (f(XIN) < 8 MHz) : 4.0 to 5.5 V
      • (f(XIN) < 4 MHz) : 2.7 to 5.5 V
    • [In frequency/4 mode]
      • (f(XIN) < 16 MHz) : 4.5 to 5.5 V
      • (f(XIN) < 8 MHz) : 2.7 to 5.5 V
    • [In frequency/8 mode]
      • (f(XIN) < 16 MHz) : 4.5 to 5.5 V
      • (f(XIN) < 8 MHz) : 2.7 to 5.5 V
    • [In low-speed mode]: 2.7 to 5.5 V
    Note: 12.5 MHz < f(XIN) < 16 MHz is not available in the frequency/2 mode.
  • Power dissipation (QzROM version)
    • In frequency/2 mode: Typ. 32 mW (VCC = 5 V, f(XIN) = 12.5 MHz, Ta = 25 degrees C)
    • In low-speed mode: Typ. 18 μW (VCC = 2.5 V, f(XIN) = stop, f(XCIN) = 32 kHz, Ta = 25 degrees C)
  • Power dissipation (Flash memory version)
    • In frequency/2 mode: Typ. 20 mW (VCC = 5 V, f(XIN) = 12.5 MHz, Ta = 25 degrees C)
    • In low-speed mode: Typ. 1.1 mW (VCC = 2.7 V, f(XIN) = stop, f(XCIN) = 32 kHz, Ta = 25 degrees C)
  • Operating temperature range: -20 to 85 degrees C

Flash Memory Mode

  • Program/Erace voltage: VCC = 2.7 to 5.5 V
  • Program method: Programming in unit of byte
  • Erace method: Block erasing
  • Program/Erase control by software command

 

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Hardware Design Support

Title Description
Characteristics data Information on observed values. Please use this as reference data when developing your set.
Reference oscillator circuit constants Oscillator circuit constants provided for reference by Murata Manufacturing, Kyocera and Nihon Dempa Kogyo.
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