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UPD78943x

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Product Overview:

The UPD78943x microcontroller is 8-bit 78K0S core microcontroller for LCD control applications.

Key Features:

Operating voltage: VDD = 1.8 to 5.5 V
Max. frequency: 5 MHz
ROM capacities: 8 KB to 16 KB mask ROM
RAM capacities: 512 bytes
64-pin plastic LQFP, TQFP package
Crystal/ceramic oscillation or RC oscillation is selectable for the oscillator by a mask option.
Minimum instruction execution time can be changed from high-speed (0.4 µs: @ 5.0 MHz operation with main system clock) to ultra-low-speed (122 µs: @ 32.768 kHz operation with subsystem clock) (crystal/ceramic oscillation)
Minimum instruction execution time can be changed from high-speed (0.5 µs: @ 4.0 MHz operation with main system clock) to ultra-low-speed (122 µs: @ 32.768 kHz operation with subsystem clock) (RC oscillation)
I/O ports: 40
Timer: 5 channels

  • 16-bit timer: 1 channel
  • 8-bit timer: 2 channels
  • Watch timer: 1 channel
  • Watchdog timer: 1 channel

10-bit resolution A/D converter: 6 channels
Serial interface: 1 channel
LCD controller/driver Segment signals: 5, common signals: 4
Vectored interrupt sources: 15
Operating ambient temperature: TA = -40 to +85°C

Key Applications:

  • Portable audio, cameras, healthcare equipment, etc.

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