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Product Overview:

The UPD78983x microcontroller is 8-bit 78K0S core microcontroller for Dot LCD control applications.

Key Features:

Operating voltage:

  • VDD = 1.8 to 3.6 V (mask ROM version)
  • VDD = 3.0 to 3.6 V (flash memory version)

Max. frequency: 5 MHz
ROM capacities: 24 KB to 60 KB mask ROM and 60 flash memory
RAM capacities: 2.2 KB to 3.2 KB
144-pin plastic LQFP package
Ceramic/crystal oscillation (0.4 µs: 5 MHz) or RC oscillation (1.0 µs: 2 MHz) is selectable for the main system clock oscillator.
I/O ports: 37
Remote controller receive input pin: 1
Timer: 8 channels

  • 8-bit timer: 6 channels
  • Watch timer: 1 channel
  • Watchdog timer: 1 channel

Sound generator: 10-level volume, 3-octave scale
8-bit resolution A/D converter: 3 channels (µPD78983xA, 78983xB, 78F9835 only)
Serial interface: 1 channel
LCD controller/driver (booster): Four display modes selectable (48 x 48, 64 x 32, 80 x 16, 80 x 8)
1/5 bias
Multiplier: 8 bits x 8 bits = 16 bits

Key Applications:

  • Card readers, etc.

Product Lineup:


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