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Product Overview:

The UPD78932x 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: 4 KB to 16 KB mask ROM and 32 KB flash memory
RAM capacities: 256 bytes to 512 bytes
52-pin plastic LQFP package
Main system clock: RC oscillation
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)
I/O ports: 21
Serial interface: 3-wire serial I/O mode 1 channel
Timer: 4 channels

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

LCD controller/driver Segment signals: 24, common signals: 4
Vectored interrupt sources: 9
On-chip power-on clear circuit (mask option for mask ROM versions)
Operating ambient temperature: TA = -40 to +85°C

Key Applications:

  • Remote controllers, healthcare equipment, etc.

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