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P87C51RD2BN from PHILIPS

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P87C51RD2BN

Manufacturer: PHILIPS

80C51 8-bit microcontroller family

Partnumber Manufacturer Quantity Availability
P87C51RD2BN PHILIPS 2 In Stock

Description and Introduction

80C51 8-bit microcontroller family The **P87C51RD2BN** is an advanced 8-bit microcontroller from PHILIPS, designed for embedded control applications requiring high performance and reliability. Based on the industry-standard 80C51 architecture, this component integrates enhanced features, including an expanded memory capacity and improved power efficiency.  

With **64KB of on-chip Flash memory** and **2KB of RAM**, the P87C51RD2BN supports complex firmware applications while maintaining backward compatibility with legacy 80C51 designs. Its **6-clock operation mode** enhances processing speed, making it suitable for real-time control systems. Additional features include **in-circuit programming (ICP)**, a **watchdog timer**, and multiple power-saving modes, ensuring robust operation in energy-sensitive environments.  

The microcontroller offers a rich set of peripherals, including **UART, I²C, and SPI interfaces**, along with **four 8-bit I/O ports**, enabling seamless connectivity with external devices. Its wide operating voltage range (4.5V–5.5V) and industrial-grade temperature tolerance make it ideal for automotive, industrial automation, and consumer electronics applications.  

Engineers favor the P87C51RD2BN for its balance of performance, flexibility, and cost-effectiveness, making it a dependable choice for embedded system development. Its legacy compatibility and modern enhancements ensure longevity in evolving technological landscapes.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller family

Alternative Part Number

  • AT89C51RD2-IM --: Pin-compatible 8051 with 64KB flash, drop-in replacement for the P87C51RD2 in most sockets.
  • W78E516DPG --: 8051-compatible MCU with 64KB flash in a 40-pin DIP, similar memory and I/O configuration.
  • STC89C52RC-40I-PDIP --: Widely available 8051-core MCU in 40-pin DIP, suitable for legacy designs though flash is smaller.

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