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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 – 16x16 Multiply–Accumulate Unit
– 256 x 8 Internal RAM – On-chip 2KB Expanded RAM (ERAM)
• Software Selectable Size (0, 256, 512, 768, 1024, 1792, 2048 Bytes)
– Dual Data Pointers – 4-level Interrupt Priority • Nonvolatile Program and Data Memory – 64KB of In-System Programmable (ISP) Flash Program Memory – 4KB of EEPROM (AT89LP51ED2/ID2 Only) – 512-byte User Signature Array
– Endurance: 10,000 Write/Erase Cycles – Serial Interface for Program Downloading – 2KB Boot ROM Contains Low Lev
AT89LP51ED2 Datasheet
