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P89C664HBA from PHILIPS

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P89C664HBA

Manufacturer: PHILIPS, PHI

80C51 8-bit Flash microcontroller family

Partnumber Manufacturer Quantity Availability
P89C664HBA PHILIPS, PHI 58 In Stock

Description and Introduction

80C51 8-bit Flash microcontroller family The **P89C664HBA** is an advanced 8-bit microcontroller from **PHILIPS** (now NXP Semiconductors), designed for embedded applications requiring high performance and reliability. Based on the **80C51** architecture, this microcontroller integrates enhanced features, including **64KB of Flash memory**, **1KB of RAM**, and an **8KB boot ROM**, making it suitable for complex firmware applications.  

Operating at a clock speed of up to **33 MHz**, the P89C664HBA supports **in-system programming (ISP)** and **in-application programming (IAP)**, allowing for flexible firmware updates without removing the chip from the circuit. It includes multiple communication interfaces such as **UART, I²C, and SPI**, facilitating seamless connectivity with peripheral devices.  

Additional features include **four 8-bit I/O ports**, **three 16-bit timers/counters**, and a **watchdog timer** for enhanced system stability. Its low-power modes make it ideal for battery-operated and energy-efficient designs.  

The P89C664HBA is widely used in industrial control systems, automotive electronics, and consumer devices, offering a robust and scalable solution for embedded developers. Its compatibility with the **80C51 instruction set** ensures easy migration for engineers familiar with legacy designs.  

With its combination of performance, memory capacity, and peripheral integration, the P89C664HBA remains a versatile choice for modern embedded applications.

Application Scenarios & Design Considerations

80C51 8-bit Flash microcontroller family

Alternative Part Number

  • AT89C51RD2-IM --: 8051-compatible MCU with 64KB flash and similar pinout, direct functional replacement for the P89C664 in many legacy designs.
  • W77E058A40PL --: Fast 8051-core MCU with 32KB flash and 40-pin PLCC package, drop-in compatible with the P89C664HBA footprint.
  • DS89C450-MNL --: High-speed 8051-compatible microcontroller with 64KB flash, suitable replacement when higher throughput and similar peripherals are needed.
  • AT89C51CC03UA-RLTUM --: 8051-compatible MCU with CAN controller and 64KB flash, similar to the P89C664 in core and memory size, and widely available.
  • W78E065A40PL --: 8051-core microcontroller with 64KB flash in a PLCC44 package, matching the P89C664HBA form factor and memory density.
  • STC89C58RD+40I-PLCC44 --: 8051-compatible MCU with 32KB flash and PLCC44 package, a common drop-in style replacement for legacy Philips 89C series parts.

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