The UPD78002xA 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/G13 Group.

Key Features:

  • Opearting voltage: VDD = 1.8 to 5.5 V
  • ROM capacities: 8 KB to 32 KB mask ROM
  • RAM capacities: 512 bytes to 1 KB
  • 64-pin plastic SDIP, LQFP, TQFP package and 73-pin FBGA package
  • External memory expansion space: 64 KB
  • Minimum instruction execution time changeable from high speed (expanded-specification product (0.166 µs: @12 MHz operation with main system clock), conventional product (0.238 µs: @ 8.38 MHz operation with main system
    clock)) to ultra-low speed (122 µs: @ 32.768 kHz operation with subsystem clock)
  • Instruction set suited to system control
  • Bit manipulation possible in all address spaces
  • Multiply and divide instructions
  • I/O ports: 51 (4 N-ch open-drain ports)
  • 8-bit resolution A/D converter: 8 channels (µPD780024A(Y) microcontrollers only)
  • Serial interface: 3 channels
    • 3-wire serial I/O mode: 2 channels
    • UART mode: 1 channel
    • I2C mode: 1 channel (µPD780024AxY microcontrollers only)


  • Timer: 5 channels
    • 16-bit timer/event counter: 1 channel
    • 8-bit timer/event counter: 2 channels
    • Watch timer: 1 channel
    • Watchdog timer: 1 channel


  • Vectored interrupt sources: 20
  • 2 types of on-chip clock oscillators (main system clock and subsystem clock)


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.


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