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P87C51RD2BA from PHILIPS

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P87C51RD2BA

Manufacturer: PHILIPS, NXP

80C51 8-bit microcontroller family

Partnumber Manufacturer Quantity Availability
P87C51RD2BA PHILIPS, NXP 66 In Stock

Description and Introduction

80C51 8-bit microcontroller family The **P87C51RD2BA** from **PHILIPS** is a high-performance 80C51-based microcontroller designed for embedded applications requiring robust processing capabilities and extended memory support. Built on a proven 8-bit architecture, this component integrates **64KB of Flash program memory** and **1KB of RAM**, making it suitable for complex control tasks in industrial, automotive, and consumer electronics.  

Featuring an enhanced **80C51 core**, the P87C51RD2BA operates at clock speeds up to **33MHz**, ensuring efficient execution of time-critical operations. It supports **in-system programming (ISP)** and **in-application programming (IAP)**, allowing flexible firmware updates without hardware removal. Additional peripherals include **three 16-bit timers/counters**, a **full-duplex UART**, and **32 programmable I/O lines**, enabling seamless interfacing with external devices.  

With **low-power modes** and a wide operating voltage range (**2.7V to 5.5V**), the microcontroller is optimized for energy-sensitive designs. Its **EMI reduction features** enhance reliability in noisy environments, while built-in security mechanisms protect code integrity.  

The **P87C51RD2BA** remains a versatile choice for developers seeking a balance of performance, memory capacity, and power efficiency in legacy 80C51-based systems. Its extensive feature set ensures compatibility with a broad range of embedded applications.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller family

Alternative Part Number

  • AT89C51RD2-UM --: Pin-compatible 8051 microcontroller with 64KB flash, drop-in replacement for the P87C51RD2 in most designs.
  • W78E516DDG --: 8051-compatible MCU with 64KB flash and similar peripheral set, widely used as a substitute for Philips 87C51RD2 parts.
  • STC89C52RC-40I-PDIP --: Low-cost 8051-compatible microcontroller with 8KB flash; suitable for less memory-intensive applications replacing the P87C51RD2.
  • AT89C51RD2-IM --: Pin-compatible 8051 with 64KB flash, commonly used as a drop-in replacement for the P87C51RD2 in many legacy designs.
  • W78E516DDG --: 8051-compatible MCU with 64KB flash and similar peripheral set, suitable for direct substitution in existing 8051 sockets.
  • STC89C52RC-40I-PDIP --: Widely available 8051-core MCU with comparable I/O and timing, often used as a cost-effective replacement in older NXP 8051 applications.

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