Datasheet Summary
Features
- 8-bit Microcontroller patible with 8051 Products
- Enhanced 8051 Architecture
- Single Clock Cycle per Byte Fetch
- 12 Clock per Machine Cycle patibility 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
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