P87C51RB+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 |
|---|---|---|---|
| P87C51RB+4A | PHILIPS | 1250 | 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 # Introduction to the P87C51RB+4A Microcontroller  
The **P87C51RB+4A** is an 8-bit microcontroller from **PHILIPS** (now NXP Semiconductors), belonging to the **80C51** family. This high-performance CMOS device combines enhanced processing power with low power consumption, making it suitable for a wide range of embedded applications.   Built around an optimized 80C51 core, the P87C51RB+4A operates at clock speeds up to **33 MHz**, delivering efficient execution of instructions. It features **16 KB of on-chip Flash memory**, which supports in-system programming (ISP) for flexible firmware updates. Additionally, it includes **512 bytes of RAM** and **2 KB of EEPROM** for data storage, enhancing its versatility in industrial, automotive, and consumer electronics applications.   The microcontroller integrates multiple peripherals, including **four 8-bit I/O ports**, three **16-bit timers/counters**, a **full-duplex UART**, and an **8-channel 10-bit ADC**, providing robust interfacing capabilities. Its **power-saving modes** (Idle and Power-down) help optimize energy efficiency in battery-operated systems.   With its **extended temperature range** and reliable architecture, the P87C51RB+4A is well-suited for demanding environments. Its compatibility with the 80C51 instruction set ensures seamless migration for developers familiar with the 8051 family, making it a practical choice for legacy and modern designs alike. |
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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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