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P89C54BA from PHILIPS

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P89C54BA

Manufacturer: PHILIPS

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

Partnumber Manufacturer Quantity Availability
P89C54BA PHILIPS 1046 In Stock

Description and Introduction

80C51 8-bit microcontroller family 4K/8K/16K/32K Flash The **P89C54BA** from **PHILIPS** is a high-performance **8-bit microcontroller** based on the **80C51 core architecture**. Designed for embedded applications, it combines robust processing capabilities with efficient power management, making it suitable for industrial control, automation, and consumer electronics.  

Featuring **16KB of Flash memory**, the P89C54BA allows for flexible program storage and in-system reprogramming, enhancing development efficiency. It includes **256 bytes of RAM** for data handling and supports multiple peripheral interfaces, such as **UART, timers, and I/O ports**, enabling seamless integration with external devices.  

Operating at a clock speed of up to **33 MHz**, the microcontroller delivers reliable performance for real-time applications. Its low-power modes, including **idle and power-down**, help optimize energy consumption in battery-operated systems. Additionally, the P89C54BA offers enhanced security features, such as **code protection**, to safeguard firmware integrity.  

With its **industrial-grade reliability** and compatibility with the 80C51 instruction set, the P89C54BA provides a cost-effective solution for developers seeking a balance between performance and power efficiency. Its versatility and robust design make it a preferred choice for a wide range of embedded systems.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • AT89C54-24PC --: Pin-compatible 8051 microcontroller with 16KB flash, direct functional replacement for the P89C54BA in most legacy designs.
  • W78E54B-24PL --: 8051-compatible MCU with 16KB flash and similar peripheral set, widely used as a drop-in substitute for Philips 89C54 parts.
  • STC89C54RD+ --: 8051-core MCU with 16KB flash, same pinout and instruction set, commonly used to replace P89C54BA in existing boards.
Partnumber Manufacturer Quantity Availability
P89C54BA PHI 251 In Stock

Description and Introduction

80C51 8-bit microcontroller family 4K/8K/16K/32K Flash The **P89C54BA** from **PHILIPS (now NXP Semiconductors)** is an 8-bit microcontroller based on the **80C51 core**, designed for embedded applications requiring high performance and low power consumption. This device features **16 KB of Flash memory**, which allows for in-system programming (ISP) and in-application programming (IAP), making firmware updates convenient without removing the chip from the circuit.  

With a **12-clock operation mode**, the P89C54BA operates at speeds up to **33 MHz**, ensuring efficient execution of instructions. It includes **256 bytes of RAM**, three 16-bit timers/counters, a full-duplex UART for serial communication, and a versatile interrupt system. The microcontroller also supports **power-saving modes**, including idle and power-down, which are beneficial for battery-operated applications.  

The **P89C54BA** is housed in a **PLCC, DIP, or LQFP package**, providing flexibility for different PCB layouts. Its compatibility with the **MCS-51 instruction set** ensures seamless integration with existing 8051-based designs.  

Ideal for industrial control, automation, and consumer electronics, the P89C54BA offers a reliable and cost-effective solution for embedded developers seeking a robust microcontroller with reprogrammable memory and efficient power management.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • AT89C54-24PC --: Pin-compatible 8051-family microcontroller with 16KB flash, same 40-pin DIP footprint and instruction set, widely available as a direct replacement.
  • W78E54B-40PL --: 8051-compatible MCU with 16KB flash in 40-pin DIP, similar architecture and pinout, suitable drop-in substitute for legacy Philips parts.
  • STC89C54RD+ --: 8051-core microcontroller with 16KB flash and 40-pin DIP package, commonly used to replace obsolete Philips P89C54 devices in existing designs.

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