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AT89LP51 - 8-bit Microcontroller

General Description

Table 1-1.

Key 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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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