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Product Overview:

The UPD78003xAS microcontroller is 8-bit microcontroler for general purpose.

Key Features:

Operating voltage: VDD = 1.8 to 5.5 V
ROM capacities: 8 KB to 32 KB mask ROM and 32 KB flash memory
RAM capacities: 512 bytes to 1 KB
52-pin plastic LQFP 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 (122 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: 39
10-bit resolution A/D converter: 4 channels (µPD780034AS microcontrollers only)
Serial interface: 3 channels

  • 3-wire serial I/O mode: 2 channels
  • UART mode: 1 channel

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)

Key Applications:

  • Home electric appliances, pagers, AV equipment, car audios, office automation equipment, control of transportation equipment, gas detection breakers, safety devices, car electric equipment, etc.

Product Lineup:


Alliance Partner



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