Datasheet Summary
Features
- 8-bit Microcontroller patible 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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