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Original question:

TAS2X63EVM: What is procedure to get the value of PBE(cutoff frequency and gain) using I2C?.

TAS2X63EVM: Which data are coming after "98 14 96" from address no. 14 when change gain from 5db to -10db

Deepa Barot
Prodigy 90 points
Part Number: TAS2X63EVM


I have try to change the gain from 5db to -10db from PPC application. But i don't understand which data are coming after "98 14 96". How we send to I2C.What are the parameter use for that? I have attached the image. 

  • 0
    TI__Mastermind 47905 points

    Hi Deepa,

    That line is a sequential write in the format of: w (device address) (register address) (data) (data 2) (data 3) etc. Each piece of data is written to the next register from the one before. For example 0x96 is written to 0x14 as the first instruction, then 0xdf is written to 0x15, 0xf6 -> 0x16, 0x34 -> 0x17, etc. It is a valid I2C command. If you need to break it up for ease of writing from an external controller you can write it as

    w 98 14 96

    w 98 15 df

    w 98 16 f6

    ...

    w 98 27 50

    Best regards,

    Jeff McPherson