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P89C51RD2HFA from PH

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P89C51RD2HFA

Manufacturer: PH, PHILIPS

80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM

Partnumber Manufacturer Quantity Availability
P89C51RD2HFA PH, PHILIPS 5422 In Stock

Description and Introduction

80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM The **P89C51RD2HFA** is a high-performance 8-bit microcontroller from NXP Semiconductors, designed for embedded control applications. Based on the 80C51 core architecture, it offers enhanced features that make it suitable for a wide range of industrial, automotive, and consumer electronics applications.  

This microcontroller operates at frequencies up to **40 MHz**, providing efficient processing power while maintaining low power consumption. It includes **64 KB of Flash memory** for program storage and **1 KB of RAM** for data handling, ensuring ample space for complex applications. Additionally, it supports **In-System Programming (ISP)** and **In-Application Programming (IAP)**, allowing for flexible firmware updates without removing the chip from the circuit.  

The **P89C51RD2HFA** integrates multiple peripherals, including **UART, SPI, and I²C interfaces**, along with **three 16-bit timers/counters** and **four 8-bit I/O ports**. Its robust design features include **watchdog timer (WDT)**, **power-saving idle and power-down modes**, and **high noise immunity**, making it reliable in demanding environments.  

With its combination of performance, memory capacity, and versatile connectivity, the **P89C51RD2HFA** is a dependable choice for developers seeking a cost-effective yet powerful microcontroller solution.

Application Scenarios & Design Considerations

80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM

Alternative Part Number

  • AT89C51RD2-IM --: Pin-compatible 8051 with 64KB flash, drop-in replacement for the P89C51RD2 in most designs.
  • W77E058A40PL --: Fast 8051 core with 32KB flash and similar peripheral set, suitable functional substitute.
  • DS89C450-MNL --: High-speed 8051-compatible microcontroller with 64KB flash, usable as an alternative with minor firmware changes.
  • AT89C51RD2-IM --: Pin-compatible 8051 with 64KB flash and similar RD2 feature set; widely available and well documented.
  • W77E058A40PL --: Fast 8051 core with 32KB flash and extended peripherals; drop-in style replacement for many Philips 8051 designs.
  • STC89C52RC-40I-PDIP --: Low-cost 8051-compatible MCU with 8KB flash; suitable for less demanding applications needing similar architecture.

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