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P89C51RD2BA from PHI,Philips

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P89C51RD2BA

Manufacturer: PHI

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

Partnumber Manufacturer Quantity Availability
P89C51RD2BA PHI 249 In Stock

Description and Introduction

80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM # Introduction to the P89C51RD2BA Microcontroller  

The **P89C51RD2BA** is an advanced 8-bit microcontroller from **Philips Semiconductors (now NXP Semiconductors)**, designed for embedded control applications. Based on the **8051 architecture**, it combines high performance with low power consumption, making it suitable for industrial, automotive, and consumer electronics.  

This microcontroller features **64KB of Flash memory**, allowing for flexible program storage, and **1KB of RAM** for data handling. It supports **in-system programming (ISP)** and **in-application programming (IAP)**, enabling firmware updates without removing the chip from the circuit. With an enhanced **6-clock or 12-clock operation mode**, it achieves faster execution speeds compared to traditional 8051 variants.  

Additional features include **four 8-bit I/O ports**, **three 16-bit timers/counters**, a **full-duplex UART** for serial communication, and an **on-chip watchdog timer** for improved system reliability. The **P89C51RD2BA** also offers **power-saving modes**, including idle and power-down, to optimize energy efficiency in battery-operated devices.  

Thanks to its robust design and versatile peripherals, the **P89C51RD2BA** remains a reliable choice for developers seeking a cost-effective yet powerful microcontroller for embedded systems. Its compatibility with the 8051 ecosystem ensures easy integration into existing designs.

Application Scenarios & Design Considerations

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

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