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78K0R/KF3 Processors
Power supply voltage: VDD = 1.8 to 5.5 V
Max. frequency 20 MHz
ROM capacities 64 KB to 256 KB flash memory
RAM capacities 4 KB to 12 KB
80-pin LQFP package
Minimum instruction execution time can be changed from high speed (0.05 µs: @ 20 MHz operation with high speed system clock) to ultra low-speed (61 µs: @ 32.768 kHz operation with subsystem clock)
General-purpose register: 8 bits x 32 registers (8 bits x 8 registers x 4 banks)
On-chip single-power-supply flash memory (with prohibition of chip erase/block erase/writing function)
Self-programming (with boot swap function/flash shield window function)
On-chip debug function
On-chip power-on-clear (POC) circuit and low-voltage detector (LVI)
On-chip watchdog timer (operable with the on-chip internal low-speed oscillation clock)
On-chip multiplier (16 bits x 16 bits)
On-chip key interrupt function
On-chip clock output/buzzer output controller
On-chip BCD adjustment
I/O ports: 70 (N-ch open drain: 4)
Timer: 10 channels
Serial interface
10-bit resolution A/D converter (AVREF = 2.3 to 5.5 V): 8 channels
8-bit resolution D/A converter (AVREF1 = 1.8 to 5.5 V): 2 channels
Operating ambient temperature: TA = -40 to +85°C
