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3850A

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Product Overview:

Low-pin count, general-purpose MCU with built-in A/D converter, serialinterface, sub-clock, etc. Maximum oscillation frequency is 12.5MHz. Comes in a42-pin package. Available in QzROM, Flash memory, and Mask ROM versions.

38000Series QzROM

3850H Group page is here.

 

Key Features:

[QzROM Version]

  • Basic machine-language instructions: 71
  • Minimum instruction execution time: 0.32 μs (at 12.5 MHz oscillationfrequency)
  • Memory size
    • ROM: 16K bytes
    • RAM: 512 bytes
  • Programmable input/output ports: 34
  • On-chip software pull-up resistor
  • Interrupts: 15 sources, 14 vectors
  • Timers: 8-bit × 4
  • Serial interface
    • Serial I/O1: 8-bit × 1(UART or Clock-synchronized)
    • Serial I/O2: 8-bit × 1(Clock-synchronized)
  • PWM: 8-bit × 1
  • A/D converter: 10-bit × 9 channels
  • Watchdog timer: 16-bit × 1
  • Clock generating circuit: Built-in 2 circuits (connect to external ceramicresonator or quartz-crystal oscillator)
  • Power source voltage
    [In high-speed mode]
    • f(XIN) <12.5MHz: 4.0 to 5.5 V
    • f(XIN) <6.0MHz: 2.7 to 5.5 V
    • f(XIN) <4.2MHz: 2.2 to 5.5 V
    • f(XIN) <2.1MHz: 2.0 to 5.5 V
    [In middle-speed mode]
    • f(XIN) <12.5MHz: 2.7 to 5.5 V
    • f(XIN) <8.4MHz: 2.2 to 5.5 V
    • f(XIN) <4.2MHz: 1.8 to 5.5 V
    [In low-speed mode]
    • f(XCIN) <50kHz: 1.8 to 5.5 V
  • Power dissipation
    • In high-speed mode: 30mW (typ.) (at 12.5 MHz oscillation frequency, at 5 Vpower source voltage)
    • In low-speed mode: 45 μW (typ.) (at 32 kHz oscillation frequency, at 3 Vpower source voltage)
  • Operating temperature range: –20 to 85 degrees C

[Mask ROM, Flash Memory Version]

  • Basic machine-language instructions: 71
  • Minimum instruction execution time: 0.32 μs (at 12.5 MHz oscillationfrequency)
  • Memory size
    • ROM: 8K to 16K bytes
    • RAM: 512 to 1024 bytes
  • Programmable input/output ports : 34
  • On-chip software pull-up resistor
  • Interrupts: 15 sources, 14 vectors
  • Timers: 8-bit × 4
  • Serial Interface
    • Serial I/O1: 8-bit × 1(UART or Clock-synchronized)
    • Serial I/O2: 8-bit × 1(Clock-synchronized)
  • PWM: 8-bit × 1
  • A/D converter: 10-bit × 9 channels
  • Watchdog timer: 16-bit × 1
  • Clock generating circuit: Built-in 2 circuits (connect to external ceramicresonator or quartz-crystal oscillator)
  • Power source voltage
    • In high-speed mode: 4.0 to 5.5 V (at 12.5 MHz oscillation frequency)
    • In high-speed mode: 2.7 to 5.5 V (at 6 MHz oscillation frequency)
    • In middle-speed mode: 2.7 to 5.5 V (at 12.5 MHz oscillation frequency)
    • In low-speed mode 2.7 to 5.5 V (at 32 kHz oscillation frequency)
  • Power dissipation
    • In high-speed mode
      • Except M38507F8FP/SP: 32.5mW
      • M38507F8FP/SP: 37.5mW
        (at 12.5 MHz oscillation frequency, at 5 V power source voltage)
    • In low-speed mode
      • Except M38507F8FP/SP: 60 μW
      • M38507F8FP/SP: 450 μW
        (at 32 kHz oscillation frequency, at 3 V power source voltage)
  • Operating temperature range: –20 to 85 degrees C

Key Applications:

Office automation equipment, FA equipment, Household products, Consumerelectronics, etc.

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