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P87C51RD+4B from PHI,Philips

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P87C51RD+4B

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+4B,P87C51RD4B PHI 2224 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+4B** from PHILIPS (now NXP Semiconductors) is a high-performance, 80C51-based microcontroller designed for embedded applications requiring robust processing capabilities and low power consumption. Built on a CMOS architecture, this 8-bit microcontroller operates at clock speeds up to 33 MHz, offering enhanced execution speed and efficiency.  

Featuring **64 KB of on-chip Flash memory** and **2 KB of RAM**, the P87C51RD+4B supports in-system programming (ISP), allowing for flexible firmware updates without removing the chip from the circuit. It includes a **256-byte internal RAM**, three 16-bit timers/counters, and a versatile serial port for UART communication.  

With its **4-clock machine cycle**, the P87C51RD+4B delivers faster instruction execution compared to traditional 12-clock variants, making it suitable for real-time control systems, industrial automation, and consumer electronics. Additional features include power-saving idle and power-down modes, 32 programmable I/O lines, and an integrated watchdog timer for improved system reliability.  

The microcontroller is housed in a **PLCC, DIP, or LQFP package**, ensuring compatibility with various PCB designs. Its robust architecture, combined with extended memory and peripheral support, makes the P87C51RD+4B a dependable choice for developers seeking a versatile and efficient embedded solution.

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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