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AFE7950: SPI Bringup

Hruthik C S
Prodigy 10 points
Part Number: AFE7950

Hi ,

We are trying to Configure our Custom AFE7950 Board by exporting the registers from Latte GUI by following commands.

logDumpInst.setFileName(ASTERIX_DIR+DEVICES_DIR+r"\Afe79xxPg1.txt")

logDumpInst.logFormat = 0x1

logDumpInst.rewriteFile = 1

logDumpInst.rewriteFileFormat4 = 1

device.optimizeWrites = 0

device.rawWriteLogEn = 1

lmk.rawWriteLogEn = 1

we are facing issues in configuring our custom board. when we configured AFE7950EVM the current is increasing by 2.1amp and in our case after configuring custom board the current is increasing by 0.2amp.Please help us to resolve the issue and guide us weather we are following the correct procedure or not.

The issue we noticed is some of the registers in exported file is not there in register space.

  • 0
    TI__Genius 14961 points

    Hi Hruthik,

    The Register Set document does not cover all registers used in the AFE bringup. It is to be used as a reference and contains registers and macros that are likely to be used after device bringup. To receive all the register writes/reads required to bringup the AFE you should use the AFE79xx Software. 

    During bringup are you running into any errors, such as failed polls or readchecks? If so can you share the exact line they are occurring at? 

    Regards,

    David Chaparro

  • 0 in reply to David Chaparro
    TI__Genius 14961 points

    Hi Hruthik,

    I will be closing this post as we have an email chain were we have already started discussions on this issue.

    Regards,

    David Chaparro