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P89LPC938FA from PHILIS,Philips

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P89LPC938FA

Manufacturer: PHILIS, NXP

P89LPC938; 8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable Flash with 10-bit A/D converter

Partnumber Manufacturer Quantity Availability
P89LPC938FA PHILIS, NXP 2601 In Stock

Description and Introduction

P89LPC938; 8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable Flash with 10-bit A/D converter The **P89LPC938FA** from NXP is a high-performance, low-power 8-bit microcontroller designed for embedded applications requiring efficient processing and versatile peripheral integration. Based on the enhanced 80C51 architecture, it operates at frequencies up to 18 MHz, delivering robust performance while maintaining power efficiency.  

Featuring 8 KB of Flash memory, 256 bytes of RAM, and 512 bytes of EEPROM, the P89LPC938FA offers ample storage for code and data. Its integrated peripherals include a 10-bit ADC, multiple timers, UART, I²C, and SPI interfaces, making it suitable for a wide range of industrial, consumer, and automotive applications.  

The microcontroller supports in-system programming (ISP) and in-application programming (IAP), enabling flexible firmware updates. With its low-power modes—including idle and power-down—the device is ideal for battery-operated systems. Additional features like a watchdog timer, brownout detection, and a configurable oscillator enhance reliability in demanding environments.  

Compact and cost-effective, the P89LPC938FA is housed in a 28-pin package, balancing performance with space efficiency. Its combination of processing power, low energy consumption, and rich peripheral set makes it a practical choice for developers seeking a reliable 8-bit MCU solution.

Application Scenarios & Design Considerations

P89LPC938; 8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable Flash with 10-bit A/D converter

Alternative Part Number

  • AT89LP6440-20PU --: 8051-compatible microcontroller with similar on-chip flash and peripherals, available in DIP package for easy drop-in evaluation.
  • STC89C52RC-40I-PDIP --: Widely used 8051-core MCU with comparable I/O and flash resources, low cost and easy to source as a functional substitute.
  • W78E516DPG --: 8051-family microcontroller with 64KB flash and similar peripheral set, suitable as a pin-compatible-class replacement in many designs.
  • AT89LP6440-20PU --: 8051-compatible microcontroller with similar 64KB flash and integrated peripherals, available in PDIP package for easy drop-in evaluation.
  • STC89C58RD+ --: Widely used 8051-core MCU with 32KB flash and UART/SPI, commonly substituted in legacy 8051 designs at lower cost.
  • C8051F340-GQ --: High-performance 8051-compatible MCU with 64KB flash, USB, and rich analog peripherals, suitable for designs needing more integrated features.

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