{"id":5838,"date":"2026-06-11T05:58:41","date_gmt":"2026-06-11T05:58:41","guid":{"rendered":"https:\/\/materialparts.com\/p89lpc938fdh\/"},"modified":"2026-06-12T02:43:59","modified_gmt":"2026-06-12T02:43:59","slug":"p89lpc938fdh","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/p89lpc938fdh\/","title":{"rendered":"P89LPC938FDH"},"content":{"rendered":"

Productos<\/h2>\n

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.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n
N\u00facleo<\/td>\n80C51<\/td>\n<\/tr>\n
Flash<\/td>\n8KB<\/td>\n<\/tr>\n
SRAM<\/td>\n256B + 512B XRAM<\/td>\n<\/tr>\n
ADC<\/td>\n10-bit 8-ch<\/td>\n<\/tr>\n
Supply<\/td>\n2.4-3.6V<\/td>\n<\/tr>\n
Temp<\/td>\n-40~85C<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • 8051 core with accelerated 2-clock instructions<\/li>\n
  • 8KB Flash with ISP\/IAP<\/li>\n
  • 10-bit 8-channel ADC<\/li>\n
  • Dual analog comparators<\/li>\n
  • I2C\/SPI\/UART interfaces<\/li>\n
  • Low-power modes<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Industrial control<\/li>\n
    • Sensor interfaces<\/li>\n
    • Dispositivos a pilas<\/li>\n
    • White goods<\/li>\n
    • Automation<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      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 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[],"chip_brand":[168],"class_list":["post-5838","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-nxp"],"acf":{"brief_explanation":"8-bit 8051 MCU, 8KB Flash, 10-bit ADC, TSSOP-20","date_code":"","package_case":"TSSOP-20 (6.5x4.4mm)","in_stock":10940,"datasheet":"https:\/\/www.nxp.com\/products\/processors-and-microcontrollers\/8051-microcontrollers\/","price":"$1.80 @ 1ku","product_introduction":"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.","working_principle":"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_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1-5<\/td>P0.0-P0.4<\/td>I\/O<\/td>Port 0 (GPIO\/UART\/SPI\/Comparator)<\/td><\/tr>
      6-10<\/td>P0.5-P1.0<\/td>I\/O<\/td>Port 0-1 (GPIO\/ADC\/TIMER\/I2C)<\/td><\/tr>
      11-15<\/td>P1.1-P1.5<\/td>I\/O<\/td>Port 1 (GPIO\/CCU\/ADC\/I2C)<\/td><\/tr>
      16-20<\/td>P1.6-P1.7\/P2.0-P2.2<\/td>I\/O<\/td>Port 1-2 (GPIO\/SPI\/CCU\/ADC)<\/td><\/tr><\/table>","application_scenarios":"
    • Industrial control<\/li>
    • Sensor interfaces<\/li>
    • Battery-powered devices<\/li>
    • White goods<\/li>
    • Automation<\/li>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
      NXP<\/td>P89LPC938FDH<\/td>TSSOP-20<\/td>Same device, NXP label<\/td><\/tr>
      NXP<\/td>P89LPC9401FDH<\/td>TSSOP-20<\/td>Same with LCD driver, 8KB Flash<\/td><\/tr>
      NXP<\/td>P89LPC936FDH<\/td>TSSOP-20<\/td>Same with 4KB Flash, lower cost<\/td><\/tr>
      STMicroelectronics<\/td>STM8S003F3P6<\/td>TSSOP-20<\/td>8-bit alternative, 8KB Flash<\/td><\/tr>
      Microchip<\/td>PIC16F18325-I\/ST<\/td>TSSOP-14<\/td>8-bit, 14KB Flash, compact<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5838","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=5838"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5838\/revisions"}],"predecessor-version":[{"id":5991,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5838\/revisions\/5991"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=5838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=5838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=5838"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=5838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}