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    EM3027_13 参数 Datasheet PDF下载

    EM3027_13图片预览
    型号： EM3027_13
    PDF下载： 下载PDF文件 查看货源
    内容描述： 实时时钟，带有I2C或SPI ，晶体温度补偿，电池切换和涓流充电器 [Real Time Clock with I2C or SPI, Crystal Temperature Compensation, Battery Switchover and Trickle Charger]
    分类和应用： 晶体电池温度补偿时钟
    文件页数/大小： 28 页 / 1086 K
    品牌： EMMICRO [ EM MICROELECTRONIC - MARIN SA ]
     浏览型号EM3027_13的Datasheet PDF文件第1页浏览型号EM3027_13的Datasheet PDF文件第3页浏览型号EM3027_13的Datasheet PDF文件第4页浏览型号EM3027_13的Datasheet PDF文件第5页浏览型号EM3027_13的Datasheet PDF文件第6页浏览型号EM3027_13的Datasheet PDF文件第7页浏览型号EM3027_13的Datasheet PDF文件第8页浏览型号EM3027_13的Datasheet PDF文件第9页  
    EM3027
    Table of contents
    Table of contents ..................................................................................................................................................................... 2
    1 Packages / Pin Out Configuration .................................................................................................................................... 3
    2 Absolute Maximum Ratings .............................................................................................................................................. 4
    2.1
    Handling Procedures ................................................................................................................................................. 4
    2.2
    Operating Conditions ................................................................................................................................................ 4
    2.3
    Crystal characteristics ............................................................................................................................................... 4
    2.4
    EEPROM Characteristics .......................................................................................................................................... 4
    3 Electrical Characteristics .................................................................................................................................................. 4
    4 EM3027 Block Diagram and Application Schematic......................................................................................................... 6
    4.1
    Block Diagram ........................................................................................................................................................... 6
    4.2
    Application Schematic ............................................................................................................................................... 6
    4.3
    Crystal Thermal Behaviour ........................................................................................................................................ 7
    4.4
    Crystal Calibration ..................................................................................................................................................... 8
    5 Memory Mapping.............................................................................................................................................................. 9
    6 Definitions of terms in the memory mapping .................................................................................................................. 10
    7 Serial communication ..................................................................................................................................................... 12
    7.1
    How to perform data transmission through I2C ....................................................................................................... 12
    7.2
    How to perform data transmission through SPI ....................................................................................................... 13
    8 Functional Description .................................................................................................................................................... 15
    8.1
    Start after power-up ................................................................................................................................................ 15
    8.2
    Normal Mode function ............................................................................................................................................. 15
    8.3
    Watch and Alarm function ....................................................................................................................................... 15
    8.4
    Timer function ......................................................................................................................................................... 16
    8.5
    Temperature measurement ..................................................................................................................................... 16
    8.6
    Frequency compensation ........................................................................................................................................ 16
    8.7
    EEPROM memory................................................................................................................................................... 17
    8.8
    RAM User Memory .................................................................................................................................................. 18
    8.9
    Status Register........................................................................................................................................................ 18
    8.10
    Interrupts ............................................................................................................................................................ 18
    8.11
    Self-Recovery System (SRS) ............................................................................................................................. 19
    8.12
    Register Map ...................................................................................................................................................... 19
    8.13
    Crystal Oscillator and Prescaler ......................................................................................................................... 19
    9
    Power Management ................................................................................................................................................ 20
    9.1
    Power Supplies, Switchover and Trickle Charger ................................................................................................... 20
    9.2
    Low Supply Detection ............................................................................................................................................. 21
    10
    AC Characteristics .................................................................................................................................................. 22
    10.1
    AC characteristics – I2C ..................................................................................................................................... 22
    10.2
    I2C Specification compliance ............................................................................................................................. 23
    10.3
    AC characteristics – SPI ..................................................................................................................................... 24
    11
    Package Information ............................................................................................................................................... 26
    11.1
    TSSOP-08/14 ..................................................................................................................................................... 26
    11.2
    SO-8 ................................................................................................................................................................... 27
    12
    Ordering Information ............................................................................................................................................... 28
    Copyright
    2013, EM Microelectronic-Marin SA
    3027-DS.doc, Version 8.0, 25-Jan-13
    2
    www.emmicroelectronic.com

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