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Dedicated to lighting control applications, this device retains all the features of the standard 80C51 with 4KB of flash program memory, 256 bytes RAM, 256 bytes EEPROM, a 7-source, 4-level interrupt system, an on chip oscillator and two timers/counters. Analog functions include a 10-bit, 6-channel A/D converter and two optimized PWM units.