The UPD78908x microcontroller is 8-bit 78K0S core microcontroller for general purpose.
Operating voltage: VDD = 1.8 to 5.5 V
Max. frequency: 5 MHz
ROM capacities: 32 KB flash memory
RAM capacities: 256 bytes
30-pin plastic SSOP package
System clock: Ceramic/crystal oscillation
Minimum instruction execution time can be changed to high-speed (0.4 µs), medium-speed (0.8 µs), and lowspeed (1.6 µs) (@ 5.0 MHz operation with system clock, VDD = 2.7 to 5.5 V)
I/O ports: 24
Timer: 5 channels
- 16-bit timer: 1 chennel
- 8-bit timer: 3 channel
- Watchdog timer: 1 channel
Serial interface: 1 channel
- 3-wire serial I/O mode/UART mode: 1 channel
On-chip key return signal detector
On-chip power-on-clear circuit and low-voltage detector
Operating ambient temperature: TA = -40 to +85°C
- Preset remote controllers, compact home electrical appliances, game machines, etc.
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