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P89LPC938FDH

8-bit 8051 MCU, 8KB Flash, 10-bit ADC, TSSOP-20

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Manufacturer Part：

P89LPC938FDH

Package：

TSSOP-20 (6.5x4.4mm)

Brand：
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Description

Product Overview

The P89LPC938FDH from NXP is a low-power 8051-compatible MCU with 8KB Flash, 256B RAM, 10-bit ADC, 2 comparators, and I2C/SPI in TSSOP-20 for compact embedded control.

Key Specifications

Core 80C51
Flash 8KB
SRAM 256B + 512B XRAM
ADC 10-bit 8-ch
Supply 2.4-3.6V
Temp -40~85C

Features

  • 8051 core with accelerated 2-clock instructions
  • 8KB Flash with ISP/IAP
  • 10-bit 8-channel ADC
  • Dual analog comparators
  • I2C/SPI/UART interfaces
  • Low-power modes

Applications

  • Industrial control
  • Sensor interfaces
  • Battery-powered devices
  • White goods
  • Automation

The P89LPC938FDH from NXP is a low-power 8051-compatible MCU with 8KB Flash, 256B RAM, 10-bit ADC, 2 comparators, and I2C/SPI in TSSOP-20 for compact embedded control.

The P89LPC938FDH is an 8-bit 8051-based microcontroller from NXP with 8KB Flash, 256B RAM, and 512B EEPROM in TSSOP-20. It uses an enhanced 80C51 core running at 7.37-12MHz with accelerated instruction timing: most instructions execute in 2-4 clock cycles (vs 12 in classic 8051), achieving 3.3-5.5 MIPS at 12MHz. The 10-bit ADC supports 8 channels with 3.9us conversion time. Two analog comparators with internal voltage reference enable hardware-level threshold detection. The CCU (Capture/Compare Unit) provides PWM generation with 4 outputs for motor control. The UART supports 9-bit framing for multi-drop communication, and SPI/I2C interfaces connect to peripheral devices. The device operates from 2.4V to 3.6V with four reduced-power modes: Idle (CPU halted, peripherals running), Power-down (everything stopped, 1uA), Total-power-down (no RTC), and Slow-clock mode (internal 7.373kHz RC for ultra-low-power timing). The on-chip precision RC oscillator eliminates external crystal components. Brown-out detection resets the MCU when VDD drops below 2.15V.

Pin Name Type Function
1-5 P0.0-P0.4 I/O Port 0 (GPIO/UART/SPI/Comparator)
6-10 P0.5-P1.0 I/O Port 0-1 (GPIO/ADC/TIMER/I2C)
11-15 P1.1-P1.5 I/O Port 1 (GPIO/CCU/ADC/I2C)
16-20 P1.6-P1.7/P2.0-P2.2 I/O Port 1-2 (GPIO/SPI/CCU/ADC)
  • Industrial control
  • Sensor interfaces
  • Battery-powered devices
  • White goods
  • Automation
    • Manufacturer Part Number Package Notes
    NXP P89LPC938FDH TSSOP-20 Same device, NXP label
    NXP P89LPC9401FDH TSSOP-20 Same with LCD driver, 8KB Flash
    NXP P89LPC936FDH TSSOP-20 Same with 4KB Flash, lower cost
    STMicroelectronics STM8S003F3P6 TSSOP-20 8-bit alternative, 8KB Flash
    Microchip PIC16F18325-I/ST TSSOP-14 8-bit, 14KB Flash, compact
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    Quality Assurance

    Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

    1. Authorized & Genuine Sourcing Promise

    All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

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    We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

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    Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
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    For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

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    If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

    Contact Us

    If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

     

    Email: info@materialparts.com
    Tel / WhatsApp: +86 13760382860
    Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

     

    Shipping & Payment

    Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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    5. Local Pickup in Shenzhen

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    • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
    • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
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    Contact Information

    Email: info@materialparts.com

    Tel / WhatsApp: +86 13760382860

    Service & Packaging

    Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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    2. Genuine Product Guarantee & Full-process Quality Inspection

    All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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    Professional Packaging Standards

    Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

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    Contact Information

    For service consultation or packaging customization, please feel free to contact us:
    Email: info@materialparts.com
    Tel / WhatsApp: +86 13760382860
    Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
     

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