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UPD78917x

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Product Overview:

The UPD78917x microcontroller is 8-bit 78K0S core microcontroller for general purpose.

Key Features:

Operating voltage:

  • VDD = 1.8 to 5.5 V

Max. frequency: 10 MHz
ROM capacities: 24 KB mask ROM and 24 KB flash memory
RAM capacities: 512 bytes
44-pin plastic LQFP package
Minimum instruction execution time changeable from high-speed (0.2 µs: Main system clock 10.0 MHz operationNote) to ultra-low speed (122 µs: Subsystem clock 32.768 kHz operation)
I/O ports: 20
Serial interface: 1 channel

  • 3-wire serial I/O mode/UART mode selectable

10-bit resolution A/D converter: 4 channels
Timers: 6 channels

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

Multiplier: 8 bits x 8 bits = 16 bits
Vectored interrupt sources: 10
Operating ambient temperature

  • TA = -40 to + 85°C

Key Applications:

  • Power windows, keyless entry, battery management units, side air bags, etc.

Product Lineup:


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