Features • 8-bit Microcontroller Compatible with MCS®51 Products • Enhanced 8051 Architecture – Single-clock Cycle per Byte Fetch – Up to 20 MIPS Throughput at 20 MHz Clock Frequency – Fully Static Operation: 0 Hz to 20 MHz – On-chip 2-cycle Hardware Multiplier – 256 x 8 Internal RAM – 512 x 8 Internal Extra RAM – Dual Data Pointers – 4-level Interrupt Priority Nonvolatile Program and Data Memory – 4K/8K Bytes of In-System Programmable (ISP) Flash Program Memory – 512/1024 Bytes of Flash Data Memory – Endurance: Minimum 100,000 Write/Erase Cycles (for Both Program/Data Memories) – Serial Interface for Program Downloading – 64-byte Fast Page Programming Mode – 128-byte User Signature Array – ...

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