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BQ76PL455A: Daisy chain

user5775351
Prodigy 80 points
Part Number: BQ76PL455A
Other Parts Discussed in Thread: BQ76PL455EVM

Hello，dear

I am using the BQ76PL455EVM board, I have a problem to confirm, thank you.

I have completed signle board debugging two days ago .Now,I want to test daisy-chain. But i can‘t connect the second EVM board by  daisy-chain.

I connect the second board in this way ： the second board ’s J4 connect to the frist board‘ J5，the WAKE up PIN connect to GND  ， the RX and TX PIN connect to VIO .Then ,use BQ76PL455' GUI ,but only can detect one board. How should i do？

regards.

10/5000
Wǒ bùnéng liánjiē qǐ dì èr gè bǎn
I can't connect the second board
  • 0
    TI__Intellectual 2520 points

    Hi Sheng Xu,

    1)Please check SW2 setting. For stack EVM, you should set SW2 to diff mode.

    2)You can download sluuba7a_bq76PL455EVM and GUI User Guide, and see section-SW2 for more details.

    3)If it still doesn't work, you can take the second board as base board to check the functionality of the board.

    I think 1）should be the problem.

    Thanks! 

    Andy