i2c data com. to 24lc512 in freq counter


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  1. #1
    Join Date
    May 2008
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    Unhappy i2c data com. to 24lc512 in freq counter

    Hii...


    I am trying to log frequency with the folloving device but the problem is i2c is to slow to trnsfer data while i am trying to log i can not count frequency

    how can I solve the problem can any one help me

    the device is plannng to mesaure max 50 hz of frequency.
    and log day time and fr values into 24lc using i2c data line


    thanks
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  2. #2
    Join Date
    Jul 2003
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    2,405


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    Have a look at the Ramtron FM24C512.

    512Kbit Ferroelectric Nonvolatile RAM
    • Organized as 65,536 x 8 bits
    • High Endurance 10 Billion Read/Writes
    • 45 year Data Retention
    • NoDelay™ Writes
    • Advanced High-Reliability Ferroelectric Process

    Fast Two-wire Serial Interface
    • Up to 1 MHz Maximum Bus Frequency
    • Supports Legacy Timing for 100 kHz & 400 kHz

    http://www.ramtron.com/products/nonv...duct.aspx?id=5
    Regards,

    -Bruce
    tech at rentron.com
    http://www.rentron.com

  3. #3
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    Sep 2004
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    montreal, canada
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    And you also want to use the MSSP port instead of I2CREAD/I2CWRITE.

    Not a bad idea to use lower pull-up resistor value for SCL/SDA lines. Says like the standard 1.8K
    Steve

    It's not a bug, it's a random feature.
    There's no problem, only learning opportunities.

  4. #4
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    May 2008
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    Default mssp port

    sorry I am not so professional in this issue how can ı use mssp

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