The UPD78946x microcontroller is 8-bit 78K0S core microcontroller for LCD control applications.
Operating voltage: VDD = 1.8 to 5.5 V
Max. frequency: 5 MHz
ROM capacities: 4 KB to 24 KB mask ROM
RAM capacities: 512 bytes
52-pin plastic LQFP package
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: 18
8-bit resolution A/D converter: 1 channel
Timer: 4 channels
- 8-bit timer: 2 channels
- Watch timer: 1 channel
- Watchdog timer: 1 channel
LCD controller/driver (on-chip voltage booster) Segment signals: 23, 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
- Remote controllers, healthcare equipment, etc.
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