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P87LPC764BDH from PHI,Philips

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P87LPC764BDH

Manufacturer: PHI, PHILIPS

Low power, low price, low pin count 20 pin microcontroller with 4 kbyte OTP

Partnumber Manufacturer Quantity Availability
P87LPC764BDH PHI, PHILIPS 1436 In Stock

Description and Introduction

Low power, low price, low pin count 20 pin microcontroller with 4 kbyte OTP The **P87LPC764BDH** from **PHILIPS (now NXP Semiconductors)** is a versatile **8-bit microcontroller** designed for embedded applications requiring low power consumption and high integration. Based on the **80C51** architecture, it features **4KB of OTP (One-Time Programmable) ROM**, **128 bytes of RAM**, and a wide operating voltage range of **2.7V to 5.5V**, making it suitable for battery-powered devices.  

This microcontroller integrates multiple peripherals, including **two 16-bit timers/counters, a UART for serial communication, and an I²C-bus interface**, enhancing its utility in industrial control, consumer electronics, and automation systems. Its **4-channel 8-bit ADC** enables analog signal processing, while the **watchdog timer** ensures system reliability.  

The **P87LPC764BDH** operates at a clock speed of up to **12 MHz** and supports **power-saving modes**, including idle and power-down, to optimize energy efficiency. Its compact **20-pin DIP (Dual In-line Package)** form factor facilitates easy integration into space-constrained designs.  

Engineers favor this microcontroller for its **cost-effectiveness, robust performance, and low EMI (Electromagnetic Interference)**, making it a reliable choice for embedded systems requiring dependable operation in demanding environments. Its legacy 80C51 compatibility ensures seamless migration for existing designs while offering modern enhancements.

Application Scenarios & Design Considerations

Low power, low price, low pin count 20 pin microcontroller with 4 kbyte OTP

Alternative Part Number

  • AT89C4051-24SU --: 8051-compatible microcontroller in a similar small package with comparable I/O and memory, widely available and easy to port code to.
  • STC89C52RC-40I-PDIP --: Popular 8051-core MCU with more flash and RAM, often used as a drop-in upgrade for legacy Philips 8-bit designs.
  • PIC16F1824-I/SL --: Modern low-pin-count MCU with similar I/O count and peripherals; requires code rewrite but offers long-term availability.
  • AT89C4051-24SU --: 8051-compatible microcontroller in a 20-pin package with similar I/O and memory resources, widely available and easy drop-in for legacy Philips designs.
  • STC89C52RC-40I-PDIP --: Popular 8051-core MCU with larger flash and RAM, commonly used as a replacement for older Philips 87LPC parts in 20/40-pin sockets.
  • N76E003AT20 --: Modern 8051-based MCU in a 20-pin TSSOP with comparable peripherals and lower cost, suitable for redesigns replacing the P87LPC764.

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