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P87C51RB2BA from PHI,Philips

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P87C51RB2BA

Manufacturer: PHI

80C51 8-bit microcontroller family

Partnumber Manufacturer Quantity Availability
P87C51RB2BA PHI 156 In Stock

Description and Introduction

80C51 8-bit microcontroller family The **P87C51RB2BA** from Philips (PHI) is a high-performance 80C51-based 8-bit microcontroller designed for embedded applications requiring robust processing capabilities and versatile peripheral integration. Built on a proven CMOS architecture, this component combines efficiency with reliability, making it suitable for industrial, automotive, and consumer electronics.  

Featuring **16 KB of OTP (One-Time Programmable) ROM**, **512 bytes of RAM**, and an expanded **256-byte XRAM**, the P87C51RB2BA supports complex program execution and data handling. Its enhanced 80C51 core operates at up to **16 MHz**, ensuring responsive performance for real-time tasks. The microcontroller includes a **6-clock operation mode**, reducing instruction cycle times for improved efficiency.  

Integrated peripherals such as **UART, two 16-bit timers/counters, and a programmable watchdog timer** enhance system functionality. The device also supports **in-circuit programming (ISP)**, simplifying firmware updates during development. With **32 I/O lines**, it accommodates diverse interfacing needs, while its **low-power idle and power-down modes** optimize energy consumption in battery-operated applications.  

The P87C51RB2BA maintains backward compatibility with legacy 80C51 designs, easing migration for existing systems. Its industrial-grade temperature range and robust design ensure stable operation in demanding environments. For developers seeking a dependable 8-bit microcontroller with extended memory and modern features, the P87C51RB2BA offers a balanced solution.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller family

Alternative Part Number

  • AT89C51RB2-IM --: Pin-compatible 8051-family MCU with 16KB flash and similar 44-pin PLCC package, widely available and often used as a drop-in replacement for P87C51RB2.
  • W78E516B40PL --: 8051-compatible microcontroller with 64KB flash in PLCC44, offering comparable core performance and pinout for legacy P87C51 designs.
  • DS89C450-MNL --: High-speed 8051-compatible MCU in 44-pin PLCC with 64KB flash, suitable as a functional upgrade alternative when extra performance is acceptable.

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