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SDe_J's avatar
SDe_J
Icon for Occasional Contributor rankOccasional Contributor
1 year ago
Solved

I2C on stratix 10 GX devkit

Hello, I have a Stratix 10 GX development kit (This one: https://www.intel.com/content/www/us/en/products/details/fpga/development-kits/stratix/10-gx.html) I'm trying to use the I2C connection betw...
Fpga Devkit
  • FvM's avatar
    FvM
    1 year ago

    Hi,

    if you review DevKit schematic, you'll notice that LT_IO_SDA and LT_IO_SCL are by default disconnected from LT_I2C bus, see page 6.

    Jumpers R5295/R5296 aren't populated. An I2C controller connected to LT_IO_I2C must implement multi-master features to cooperate with SDM power manager.

    Regards
    Frank

Farabi_Altera's avatar
Farabi_Altera
Icon for Regular Contributor rankRegular Contributor
1 year ago

Hello,


Agree with Frank suggestion above. You need to populate the resistors in order to connect the I2C lines. SDM need to set as multi master in order to use this. Please be reminded modifying the board would void the warranty, and please make sure you know what you are doing.


regards,

Farabi