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P89C52X2BA from PHI,Philips

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P89C52X2BA

Manufacturer: PHI, NXP, PHILIPS

80C51 8-bit Flash microcontroller family

Partnumber Manufacturer Quantity Availability
P89C52X2BA PHI, NXP, PHILIPS 2649 In Stock

Description and Introduction

80C51 8-bit Flash microcontroller family The **P89C52X2BA** 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 onboard peripherals, making it suitable for industrial, automotive, and consumer electronics.  

Operating at a clock frequency of up to **33 MHz**, the P89C52X2BA delivers efficient execution of complex instructions while maintaining low power consumption. It features **three 16-bit timers/counters**, a **full-duplex UART** for serial communication, and **32 programmable I/O lines**, providing flexibility for interfacing with external devices.  

With **in-system programming (ISP)** support, firmware updates can be performed without removing the microcontroller from the circuit, enhancing development efficiency. Its **4-level interrupt priority system** ensures reliable real-time response, critical for time-sensitive applications.  

Built with **CMOS technology**, the P89C52X2BA offers enhanced noise immunity and reduced power dissipation, making it ideal for battery-operated and noise-prone environments. Its **extended temperature range** further ensures stable operation in harsh conditions.  

For engineers seeking a reliable, feature-rich microcontroller, the **P89C52X2BA** remains a strong contender in legacy 80C51-based designs.

Application Scenarios & Design Considerations

80C51 8-bit Flash microcontroller family

Alternative Part Number

  • AT89C52-24PU --: Pin-compatible 8051 microcontroller with 8KB flash, widely available and a common drop-in replacement for the P89C52X2BA.
  • STC89C52RC-40I-PDIP --: 8051-compatible MCU with 8KB flash and similar pinout, often used as a low-cost substitute in legacy designs.
  • W78E052DDG --: 8051-core microcontroller with 8KB flash in a compatible package, suitable as a functional alternative for the P89C52X2BA.
  • AT89C52-24PU --: Pin-compatible 8051 microcontroller with 8KB flash, widely available and a common drop-in replacement for the P89C52X2 in legacy designs.
  • STC89C52RC-40I-PDIP --: 8051-compatible MCU with 8KB flash and the same core architecture, often used as a cost-effective substitute in existing 8051 sockets.
  • W78E52B-24 --: 8051-family microcontroller with 8KB flash in a compatible package, suitable as an alternative when the original NXP part is unavailable.
  • AT89C52-24JC --: Pin-compatible 8051 microcontroller with 8K flash, same 44-pin PLCC package and instruction set, widely available and drop-in replaceable for most P89C52X2BA designs.
  • W78E52B-24PL --: 8051-compatible MCU with 8K flash in PLCC44, similar architecture and pinout, suitable replacement when Philips part is unavailable.
  • STC89C52RC-40I-PLCC44 --: 8051-core microcontroller with 8K flash in PLCC44 package, functionally equivalent and commonly used as a substitute for legacy Philips 89C52 devices.

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