Features :

• On-chip constant current driver with selectable buck or boost converter
• Minimum instruction execution time can be changed from high speed (0.1 μs: @ 20 MHz operation with   highspeed system clock) to low speed (1.6 μs: @ 20 MHz operation with high-speed system clock)
• General-purpose register: 8 bits × 32 registers (8 bits × 8 registers × 4 banks)
• On-chip single-power-supply flash memory
• Self-programming (with boot swap 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)
• I/O ports: 23 (N-ch open drain: 2)
• 10-bit resolution A/D converter (AVREF = 2.3 to 5.5 V): 4 channels
• Power supply voltage: VDD = 1.8 to 5.5 V Note 3
• Operating ambient temperature: TA = –40 to +85°C

Applications :

• Heater
• Motor
• LCD backlight
• Lighting

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