LCD driver MCU with built-in A/D converter, serial interface, sub-clock, etc. Maximum oscillation frequency is 10MHz. Comes in an 80-pin package. QzROM version is pin-compatible and software compatible with 3822 Group. Enhancedwith ROM correction function and Watchdog timer.

 

Key Features:

  • Basic machine-language instructions: 71
  • The minimum instruction execution time: 0.4 μs (at f(XIN) = 10 MHz,High-speed mode)
  • Memory size
    • ROM: 16 K to 60 K bytes
    • RAM: 640 to 2560 bytes
  • ROM correction function: 32 bytes × 2 vectors
  • Watchdog timer: 8-bit × 1
  • Programmable input/output ports: 49
  • Input ports: 5
  • Software pull-up/pull-down resistors (Ports P0-P7 except port P40)
  • Interrupts: 17 sources, 16 vectors (includes key input interrupt)
  • Key Input Interrupt (Key-on Wake-Up): 8
  • Timers: 8-bit × 3, 16-bit × 2
  • Serial interface: 8-bit × 1 (UART or Clock-synchronized)
  • A/D converter: 10-bit × 8 channels or 8-bit × 8 channels
  • LCD drive control circuit
    • Bias: 1/2, 1/3
    • Duty: 1/2, 1/3, 1/4
    • Common output: 4
    • Segment output: 32
  • Main clock generating circuits: Built-in feedback resistor
    (connect to external ceramic resonator or quartz-crystal oscillator)
  • Sub-clock generating circuits: Built-in feedback resistor
    (connect to external quartz-crystal oscillator or on-chip oscillator)
  • Power source voltage
    • In frequency/2 mode (f(XIN) <10 MHz): 4.5 to 5.5 V
    • In frequency/2 mode (f(XIN) <8 MHz): 4.0 to 5.5 V
    • In frequency/4 mode (f(XIN) <10 MHz): 2.5 to 5.5 V
    • In frequency/4 mode (f(XIN) <8 MHz): 2.0 to 5.5 V
    • In frequency/4 mode (f(XIN) <5 MHz): 1.8 to 5.5 V
    • In frequency/8 mode (f(XIN) <10 MHz): 2.5 to 5.5 V
    • In frequency/8 mode (f(XIN) <8 MHz): 2.0 to 5.5 V
    • In frequency/8 mode (f(XIN) <5 MHz): 1.8 to 5.5 V
    • In low-speed mode: 1.8 to 5.5 V
  • Power dissipation
    • In frequency/2 mode: 18 mW (std.) (at f(XIN) = 8 MHz, Vcc = 5 V, Ta = 25degrees C)
    • In low-speed mode at XCIN: 18 μW (std.) (at f(XIN) stopped, f(XCIN) = 32kHz, Vcc = 2.5 V, Ta = 25 degrees C)
    • In low-speed mode at on-chip oscillator: 35 μW (std.) (at f(XIN) stopped,f(XCIN) = stopped, Vcc = 2.5 V, Ta = 25 degrees C)
  • Operating temperature range: –20 to 85 degrees C

 

Below you will find information to support the development of your application.

 

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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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