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AT89LP51RB2 - 8-bit Flash Microcontroller

General Description

Table 1-1.

I/O P1.5: User-configurable I/O Port 1 bit 5.

I/O MISO: SPI master-in/slave-out.

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.
  • 16x16 Multiply.
  • Accumulate Unit.
  • 256 x 8 Internal RAM.
  • On-chip 1152 Bytes Expanded RAM (ERAM).
  • Softwa.

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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 – 16x16 Multiply–Accumulate Unit – 256 x 8 Internal RAM – On-chip 1152 Bytes Expanded RAM (ERAM) • Software Selectable Size (0, 256, 512, 768, 1024 or 1152 Bytes) – Dual Data Pointers – 4-level Interrupt Priority • Nonvolatile Program and Data Memory – 24KB/32KB of In-System Programmable (ISP) Flash Program Memory – 512-byte User Signature Array – Endurance: 10,000 Write/Erase Cycles – Serial Interface for Program Downloading – 2KB Boot ROM Contains Low Level Flash Programming Routines a