P87C51RA+4AManufacturer: PHILIPS 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 |
|---|---|---|---|
| P87C51RA+4A,P87C51RA4A | PHILIPS | 18 | 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 **P87C51RA+4A** is a high-performance 8-bit microcontroller from **PHILIPS**, designed for embedded control applications. Based on the **80C51** architecture, it combines enhanced processing power with low power consumption, making it suitable for industrial, automotive, and consumer electronics.  
This microcontroller features **16KB of OTP (One-Time Programmable) ROM**, **512 bytes of RAM**, and a rich set of peripherals, including **four 8-bit I/O ports**, three 16-bit timers/counters, and a full-duplex UART for serial communication. Its **4A** suffix indicates an extended operating voltage range (2.7V to 5.5V), ensuring compatibility with various power supply conditions.   The **P87C51RA+4A** supports **6-clock and 12-clock operation modes**, allowing flexibility in balancing speed and power efficiency. With an instruction set optimized for real-time control, it delivers efficient execution of embedded tasks. Additional features include **watchdog timer support**, **power-saving idle and power-down modes**, and **interrupt handling with multiple priority levels**.   Engineers favor this microcontroller for its reliability, ease of integration, and robust performance in demanding environments. Its OTP memory ensures secure firmware storage, while its industrial-grade design guarantees stability across temperature variations. The **P87C51RA+4A** remains a dependable choice for developers seeking a versatile and cost-effective 80C51-based solution. |
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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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