PCF2131_纳米功率高精度实时时钟 | NXP 半导体

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Nano-Power Highly Accurate RTC with Integrated Quartz Crystal

PCF2131
正常供应

滚动图片以放大

PCF2131是一款CMOS实时时钟(RTC)和日历，具有集成式温度补偿型晶体(Xtal)振荡器(TCXO)和32.768 kHz石英晶体，适用于极高精度和超低功耗的应用。PCF2131功能：

  • 可选择I2C总线或SPI总线接口，在选择相关MCU/MPU时具有充分的灵活性
  • 备用电池输入和切换电路，允许RTC跟踪时间，即使主电源已断开
  • 日历功能可以跟踪从年到1/100秒的时间
  • 最多4个时间戳寄存器，可与时间戳输入相关联，以便注册篡改事件
  • 最多2个中断输出，可启用/禁用系统，降低总电流消耗

框图

PCF2131 Block Diagram

PCF2131 Block Diagram
获取框图PDF

特征

纳米功率设备

  • 时钟工作电压：1.2 V至5.5 V
  • 供电电流：64 nA @ VDD = 3.3 V (typical)

高精度实时定时

  • -40 °C至+85 °C为±3 ppm (典型值)
  • -40 °C至+85 °C为±8 ppm (最差值)

集成的石英晶体振荡器

  • 32.768 kHz石英晶体
  • 温度补偿型晶体振荡器(TCXO)

支持备用电池

  • 电池备用输入引脚和切换电路
  • 电池后备输出电压
  • 电池电量低检测功能

时间戳和中断功能

  • 4次时间戳输入，带独立寄存器
  • 2个中断引脚，带有可选中断源

支持的多种接口

  • 支持I2C总线(快速模式为400 kHz)
  • SPI总线 (最高速率为6.5 Mbit/s)

日历功能

  • 提供年、月、日、工作日、时、分、秒和1/100秒
  • 闰年校正

购买/参数

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N true 0 PSPPCF2131zh 3 应用笔记 Application Note t789 1 数据手册 Data Sheet t520 1 选型指南 Selector Guide t528 1 zh zh zh 数据手册 Data Sheet 1 1 2.1 English The PCF2131 is a CMOS Real Time Clock (RTC) and calendar with an integrated Temperature Compensated Crystal (Xtal) Oscillator (TCXO) and a 32.768 kHz quartz crystal optimized for very high accuracy and ultra low power consumption. 1621637624086720298137 PSP 1.1 MB None None documents None 1621637624086720298137 /docs/en/data-sheet/PCF2131.pdf 1061559 /docs/en/data-sheet/PCF2131.pdf PCF2131 documents N N 2021-05-21 PCF2131, Nano-Power Highly Accurate RTC with Integrated Quartz Crystal Data Sheet /docs/en/data-sheet/PCF2131.pdf /docs/en/data-sheet/PCF2131.pdf Data Sheet N 980000996212993340 2025-01-27 pdf N en Jan 27, 2025 980000996212993340 Data Sheet Y N PCF2131, Nano-Power Highly Accurate RTC with Integrated Quartz Crystal Data Sheet 应用笔记 Application Note 1 2 1.0 English This application note gives additional information about application and soldering of the PCA2131 and PCF2131 RTCs 1622465593646715203927 PSP 161.0 KB None None documents None 1622465593646715203927 /docs/en/application-note/AN13203.pdf 161033 /docs/en/application-note/AN13203.pdf AN13203 documents N N 2021-05-31 AN13203, Application and soldering information for PCF2131 and PCA2131 RTCs /docs/en/application-note/AN13203.pdf /docs/en/application-note/AN13203.pdf Application Note N 645036621402383989 2024-12-13 pdf N en May 31, 2021 645036621402383989 Application Note Y N AN13203, Application and soldering information for PCF2131 and PCA2131 RTCs 选型指南 Selector Guide 1 3 0 Japanese リアルタイム・クロックセレクターガイド。高精度な計時、長い電池寿命、過酷な環境でのアプリケーションに、NXPの豊富なRTCのポートフォリオからお選びください。 1579625550018748134969ja PSP 1.1 MB None None documents None 1579625550018748134969 /docs/ja/product-selector-guide/RTCSelectorGuideA4.pdf 1111554 /docs/ja/product-selector-guide/RTCSelectorGuideA4.pdf RTCSelectorGuideA4 documents N N 2020-01-21 Real Time Clocks Selector Guide Brochure /docs/ja/product-selector-guide/RTCSelectorGuideA4.pdf /docs/ja/product-selector-guide/RTCSelectorGuideA4.pdf Selector Guide N 553557935274807777 2024-04-12 ja Apr 5, 2023 553557935274807777 Selector Guide Y N リアルタイム・ クロック 5 English Real Time Clocks Selector Guide. For highly accurate time-keeping, long battery life, and rugged environment applications, choose from NXP's extensive portfolio of RTCs. 1579625550018748134969 PSP 1.1 MB None None documents None 1579625550018748134969 /docs/en/product-selector-guide/RTCSelectorGuideA4.pdf 1111554 /docs/en/product-selector-guide/RTCSelectorGuideA4.pdf RTCSelectorGuideA4 documents N N 2020-01-21 Real Time Clocks Selector Guide Brochure /docs/en/product-selector-guide/RTCSelectorGuideA4.pdf /docs/en/product-selector-guide/RTCSelectorGuideA4.pdf Selector Guide N 553557935274807777 2024-04-12 pdf N en Apr 17, 2023 553557935274807777 Selector Guide Y N Real Time Clocks Selector Guide Brochure false 0 PCF2131 downloads zh-Hans true 1 Y PSP Y Y 应用笔记 1 /docs/en/application-note/AN13203.pdf 2021-05-31 1622465593646715203927 PSP 2 May 31, 2021 Application Note This application note gives additional information about application and soldering of the PCA2131 and PCF2131 RTCs None /docs/en/application-note/AN13203.pdf English documents 161033 None 645036621402383989 2024-12-13 N /docs/en/application-note/AN13203.pdf AN13203, Application and soldering information for PCF2131 and PCA2131 RTCs /docs/en/application-note/AN13203.pdf documents 645036621402383989 Application Note N en None Y pdf 1.0 N N AN13203, Application and soldering information for PCF2131 and PCA2131 RTCs 161.0 KB AN13203 N 1622465593646715203927 数据手册 1 /docs/en/data-sheet/PCF2131.pdf 2021-05-21 1621637624086720298137 PSP 1 Jan 27, 2025 Data Sheet The PCF2131 is a CMOS Real Time Clock (RTC) and calendar with an integrated Temperature Compensated Crystal (Xtal) Oscillator (TCXO) and a 32.768 kHz quartz crystal optimized for very high accuracy and ultra low power consumption. None /docs/en/data-sheet/PCF2131.pdf English documents 1061559 None 980000996212993340 2025-01-27 N /docs/en/data-sheet/PCF2131.pdf PCF2131, Nano-Power Highly Accurate RTC with Integrated Quartz Crystal Data Sheet /docs/en/data-sheet/PCF2131.pdf documents 980000996212993340 Data Sheet N en None Y pdf 2.1 N N PCF2131, Nano-Power Highly Accurate RTC with Integrated Quartz Crystal Data Sheet 1.1 MB PCF2131 N 1621637624086720298137 选型指南 1 /docs/en/product-selector-guide/RTCSelectorGuideA4.pdf 2020-01-21 1579625550018748134969 PSP 3 Apr 17, 2023 Selector Guide Real Time Clocks Selector Guide. For highly accurate time-keeping, long battery life, and rugged environment applications, choose from NXP's extensive portfolio of RTCs. None /docs/en/product-selector-guide/RTCSelectorGuideA4.pdf English documents 1111554 None 553557935274807777 2024-04-12 N /docs/en/product-selector-guide/RTCSelectorGuideA4.pdf Real Time Clocks Selector Guide Brochure /docs/en/product-selector-guide/RTCSelectorGuideA4.pdf documents 553557935274807777 Selector Guide N en None Y pdf 5 N N Real Time Clocks Selector Guide Brochure 1.1 MB RTCSelectorGuideA4 N 1579625550018748134969 true Y Products

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软件

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2 软件文件

  • BSP及设备驱动

    PCF2131 Real-Time Clock Driver with Demo App (SDK)

    GITHUB版本 1Apr 12, 20241 KBPCF2131-REAL-TIME-CLOCK-DRIVER-WITH-DEMO-APP-SDK
    下载
  • BSP及设备驱动

    PCF2131 Real-Time Clock - Application Code Hub

    MCUXPRESSO版本 1Apr 12, 20241 KBPCF2131-REAL-TIME-CLOCK-APPLICATION-CODE-HUB
    下载

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