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P87C51RD+4A from PHI,Philips

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P87C51RD+4A

Manufacturer: PHI

80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz

Partnumber Manufacturer Quantity Availability
P87C51RD+4A,P87C51RD4A PHI 430 In Stock

Description and Introduction

80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz The **P87C51RD+4A** is a high-performance, 8-bit microcontroller from PHILIPS (now NXP Semiconductors), designed for embedded control applications. Based on the 80C51 architecture, it combines robust functionality with enhanced features, making it a versatile choice for industrial, automotive, and consumer electronics.  

This microcontroller operates at a clock speed of up to **33 MHz**, ensuring efficient processing for real-time applications. It includes **64 KB of Flash memory** and **1 KB of RAM**, providing ample storage for program code and data. The **P87C51RD+4A** also supports in-system programming (ISP), allowing firmware updates without removing the chip from the circuit.  

Key features include **three 16-bit timers/counters**, a **full-duplex UART** for serial communication, and **32 programmable I/O lines**. Its low-power modes—Idle and Power-down—help optimize energy consumption in battery-operated systems. Additionally, it integrates watchdog timer and power-on reset functions for improved reliability.  

With its **extended temperature range** and robust design, the **P87C51RD+4A** is well-suited for demanding environments. Its compatibility with the 80C51 instruction set ensures easy migration for legacy designs while delivering modern enhancements for next-generation applications.  

This microcontroller remains a trusted solution for engineers seeking a balance of performance, flexibility, and durability in embedded systems.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz

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