MCP794XX

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MCP794XX

MCP794XX是Microchip推出第一款独立实时时钟/日历(RTCC)系列芯片,一共有6个型号,MCP79410 MCP79411 MCP79412 MCP79400 MCP79401 MCP79402。这是一共低成本器件,具备EEPROM和SRAM、惟一ID、数字微调和电池切换功能。

官方地址:http://www.microchip.com/en_US/technology/realtimeclock/index.html

 

Versatile Feature Set

  • Highly integrated with an automatic battery switchover for backup power
  • EEPROM, user SRAM and a unique ID with a MAC Address in a single device
  • Wide voltage range supports low power, but also operates in 5 volt systems
  • Serial interface for easy communications to any MCU

Innovative Peripherals

  • Unique ID can be unlocked by user
  • Digital trimming has wide adjustment range
  • Battery switchover includes a time stamp

Low Power

  • Low operating voltage and current levels
  • Lower levels after switchover from Vcc to Vbat
  • Vbat timekeeping current < 700 nA

Quick Time to Market

  • I2C™ interface
  • 8-pin industry standard pinout
  • Microchip standard development boards

Programming Options

  • No Programming:   Blank ID (User programmed)
  • Factory Standard:   MAC Address
  • Factory Custom:   ID supplied by customer

数据手册下载:I2C™ Real-Time Clock/Calendar with EEPROM, SRAM, Unique ID and Battery Switchover

MCP794XX 时钟芯片



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