The UPD78F071x Group is supported only for the customers who have already adopted any of the products. For new adoption, please consider other products such as RL78/G1F Group.

Main Solutions

Key Features:

  • Operating voltage: VDD = 4.0 to 5.5 V
  • Max. frequency: 5 MHz
  • ROM capacities: 8 to 32 KB flash mmeory
  • RAM capacities: 768 to 1024 bytes
  • Package:
    • 30-pin plastic SSOP (7.62 mm (300)) : μPD78F0711, 78F0712
    • 64-pin plastic TQFP (fine pitch) (12 x 12) : μPD78F0714


  • Minimum instruction execution time can be changed from high speed (0.1 μs: @ 20 MHz operation with) X1input clock) to low-speed (8.33 μs: @ 240 kHz operation with internal low-speed oscillation clock)
  • On-chip internal high-speed oscillator (8 MHz (TYP.)) : μPD78F0711, 78F0712
  • General-purpose register: 8 bits x 32 registers (8 bits x 8 registers x 4 banks)
  • On-chip multiplier/divider
    • 16 bits x 16 bits = 32 bits (multiplication)
    • 32 bits / 16 bits = 32 bits, 16 bits remainder (division)


  • On-chip single-power-supply flash memory
  • Self-programming
  • On-chip debug function
  • On-chip power-on-clear (POC) circuit and low-voltage detector (LVI)
  • Short startup is possible via the CPU default start using the internal low-speed oscillator
  • On-chip watchdog timer (operable with internal low-speed oscillation clock)
  • On-chip real-time output ports
  • I/O ports:
    • 15 : μPD78F0711, 78F0712
    • 48 : μPD78F0714


  • Timer: - 5 channels : μPD78F0711, 78F0712
    • - 7 channels : μPD78F0714
  • Serial interface:
    • UART: 1 channel : μPD78F0711, 78F0712
    • UART: 1channel, CSI: 1 channel : μPD78F0714


  • 10-bit resolution A/D converter: - 4 channels : μPD78F0711, 78F0712
    • 8 channels : μPD78F0714


  • Operating ambient temperature: TA = -40 to +85°C


Pin Count / Memory Size Lineup:

Below you will find information to support the development of your application.
You can find an explanation of orderable part numbers here.


Resources for Software and Hardware

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