Please note that JavaScript and style sheet are used in this website,
Due to unadaptability of the style sheet with the browser used in your computer, pages may not look as original.
Even in such a case, however, the contents can be used safely.
Worldwide 
Europe
78K0R/KH3 Microcontrollers
Features
- Power supply voltage: VDD = 1.8 to 5.5 V
- Max. frequency 20 MHz
- ROM capacities 128 KB to 512 KB flash memory
- RAM capacities 4 KB to 30 KB
- 128-pin LQFP package
- Minimum instruction execution time can be changed from high speed (0.05 µs: @ 20 MHz operation with highspeed system clock) to ultra low-speed (61 µs: @ 32.768 kHz operation with subsystem clock)
- General-purpose register: 8 bits × 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 × 16 bits)
- On-chip key interrupt function
- On-chip clock output/buzzer output controller
- On-chip BCD adjustment
- I/O ports: 116 (N-ch open drain: 4)
- Timer: 14 channels
- 16-bit timer: 12 channels
- Watchdog timer: 1 channel
- Real-time counter: 1 channel - Serial interface
- CSI: 2 channels/UART: 1 channel
- CSI: 2 channels/UART: 1 channel/simplified I2C: 2 channels
- CSI: 2 channels/UART: 1 channel/simplified I2C: 2 channels
- UART (LIN-bus supported): 1 channel
- I2C: 1 channel - 10-bit resolution A/D converter (AVREF = 2.3 to 5.5 V): 16 channels
- 8-bit resolution D/A converter (AVREF1 = 1.8 to 5.5 V): 2 channels
- Operating ambient temperature: TA = -40 to +85°C
