• Compatible with MCS-51™ Products • 2K Bytes of Reprogrammable Flash Memory –Endurance: 1,000 Write/Erase Cycles • 2.7V to 6V Operating Range • Fully Static Operation: 0 Hz to 24 MHz • Two-Level Program Memory Lock • 128 x 8-Bit Internal RAM • 15 Programmable I/O Lines • Two 16-Bit Timer/Counters •