The UPD78917x microcontroller is 8-bit 78K0S core microcontroller for general purpose.
- VDD = 1.8 to 5.5 V
Max. frequency: 10 MHz
ROM capacities: 24 KB mask ROM and 24 KB flash memory
RAM capacities: 512 bytes
44-pin plastic LQFP package
Minimum instruction execution time changeable from high-speed (0.2 µs: Main system clock 10.0 MHz operationNote) to ultra-low speed (122 µs: Subsystem clock 32.768 kHz operation)
I/O ports: 20
Serial interface: 1 channel
- 3-wire serial I/O mode/UART mode selectable
10-bit resolution A/D converter: 4 channels
Timers: 6 channels
- 16-bit timer: 1 channel
- 8-bit timer/event counter: 2 channel
- 8-bit timer: 1 channel
- Watch timer: 1 channel
- Watchdog timer: 1 channel
Multiplier: 8 bits x 8 bits = 16 bits
Vectored interrupt sources: 10
Operating ambient temperature
- TA = -40 to + 85°C
- Power windows, keyless entry, battery management units, side air bags, etc.
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