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P89C52UBAA from PHILIPS

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P89C52UBAA

Manufacturer: PHILIPS, PHI

80C51 8-bit microcontroller family 4K/8K/16K/32K Flash

Partnumber Manufacturer Quantity Availability
P89C52UBAA PHILIPS, PHI 6012 In Stock

Description and Introduction

80C51 8-bit microcontroller family 4K/8K/16K/32K Flash The **P89C52UBAA** from **PHILIPS** is a high-performance **8-bit microcontroller** based on the **80C51 core architecture**. Designed for embedded applications requiring robust processing capabilities, this component integrates **8 KB of Flash memory**, **256 bytes of RAM**, and a range of peripherals, making it suitable for industrial, automotive, and consumer electronics.  

Featuring an enhanced **12-clock cycle operation**, the P89C52UBAA offers improved execution speed over traditional 80C51 variants. It supports **in-system programming (ISP)**, allowing firmware updates without removing the chip from the circuit, which enhances development flexibility.  

Key peripherals include **three 16-bit timers/counters**, a **full-duplex UART** for serial communication, and **32 programmable I/O lines**, providing versatile interfacing options. The microcontroller also incorporates **low-power idle and power-down modes**, optimizing energy efficiency in battery-operated systems.  

With a **wide operating voltage range (2.7V to 5.5V)** and robust **EMI suppression**, the P89C52UBAA ensures reliable performance in electrically noisy environments. Its compatibility with existing **80C51 development tools** simplifies migration from legacy designs while maintaining modern functionality.  

Ideal for applications such as **motor control, sensor interfaces, and automation**, the P89C52UBAA balances performance, power efficiency, and ease of integration, making it a dependable choice for embedded system designers.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller family 4K/8K/16K/32K Flash

Alternative Part Number

  • AT89C52-24PU --: Pin-compatible 8051 microcontroller with 8KB flash, widely available and a direct functional replacement for the P89C52.
  • STC89C52RC-40I-PDIP --: 8051-compatible MCU with 8KB flash in DIP-40, commonly used as a drop-in substitute for Philips P89C52 parts.
  • W78E052DDG --: 8051-core microcontroller with 8KB flash in DIP-40, offering similar features and pinout for legacy P89C52 designs.
  • AT89C52-24PU --: Pin-compatible 8051 microcontroller with 8K flash, widely available and a common drop-in replacement for the P89C52.
  • W78E052DDG --: 8051-compatible MCU with 8K flash in the same 40-pin DIP package, offering similar functionality and supply availability.
  • STC89C52RC-40I-PDIP --: Low-cost 8051-compatible microcontroller with 8K flash and matching pinout, suitable as a functional substitute.

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