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P87C51RA2BA from PHI,Philips

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P87C51RA2BA

Manufacturer: PHI

80C51 8-bit microcontroller family

Partnumber Manufacturer Quantity Availability
P87C51RA2BA PHI 257 In Stock

Description and Introduction

80C51 8-bit microcontroller family The **P87C51RA2BA** from PHILIPS (now NXP Semiconductors) is an advanced 80C51-based microcontroller designed for embedded control applications. Built on a high-performance CMOS architecture, it combines low power consumption with robust processing capabilities, making it suitable for industrial, automotive, and consumer electronics.  

This 8-bit microcontroller features **16KB of OTP (One-Time Programmable) ROM**, **512 bytes of RAM**, and an expanded **256-byte internal RAM** for enhanced data handling. Its **6-clock operation mode** ensures faster execution compared to traditional 12-clock variants, improving efficiency in time-sensitive applications.  

The P87C51RA2BA supports multiple communication interfaces, including a **full-duplex UART**, **I²C**, and **SPI**, facilitating seamless peripheral integration. Additional features include **three 16-bit timers/counters**, a **programmable watchdog timer**, and **four 8-bit I/O ports**, providing flexibility in system design.  

With an operating voltage range of **4.5V to 5.5V** and industrial-grade temperature tolerance, this microcontroller ensures reliability in demanding environments. Its OTP memory makes it ideal for finalized production designs where firmware stability is critical.  

Engineers favor the P87C51RA2BA for its balance of performance, power efficiency, and legacy 80C51 compatibility, making it a dependable choice for embedded systems requiring precise control and connectivity.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller family

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