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Features
• 8-bit Microcontroller Compatible with 8051 Products • Enhanced 8051 Architecture
– Single Clock Cycle per Byte Fetch – 12 Clock per Machine Cycle Compatibility Mode
– 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 – External Data/Program Memory Interface
– Dual Data Pointers – 4-level Interrupt Priority • Nonvolatile Program and Data Memory – 4K/8K Bytes of In-System Programmable (ISP) Flash Program Memory – 256 Bytes of Flash Data Memory – 256-byte User Signature Array
– Endurance: 10,000 Write/Erase Cycles – Serial Interface for Program Downloading – 64-byte Fast Page Programming Mode – 3-level Program Memory Lock for Software Security – In-Application Programming of Progr