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TXS02612: SD CARD cannot detect...

Peter Tseng
Mastermind 6600 points

Part Number: TXS02612

Dear Sirs,

The SD card cannot be found and communication fail with TXS02612 mounted.

Removed IC and direct connect with port A and port B0, everything works fine.

Please help to check is there any problem with the schematics!

Thanks.

  • 0
    Guru 326500 points

    The problem with the schematic is that it does not show anything but the chip itself. Please show everything from the controller to the SD card.

    This device has internal pull-up resistors and edge accelerators. Apparently, they have a negative effect on your signals. Please show oscilloscope traces.