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Checking AFE4400 working or not

đạt trần

Prodigy 60 points

Other Parts Discussed in Thread: AFE4400

Hello,

Is there anyway to check AFE4400 working properly or not ? Because my senior project is building our own firmware and not using AFE4400SPO2EVM board. I intend to write some data into internal register and read them back. Is it possible to check that AFE4400 working or not?

Thanks.

over 9 years ago

0 Praveen Aroul over 9 years ago

TI__Mastermind 49176 points

Hello Dat,

Please refer to the following post for testing the AFE4400 in your custom board.

http://e2e.ti.com/support/applications/high_reliability/f/30/p/331294/1157075.aspx#1157075

I have listed a possible initialization sequence in the post below.

http://e2e.ti.com/support/applications/high_reliability/f/30/p/290393/1013308.aspx#1013308

You can always search through the Medical forum for any device related questions you have.

0 đạt trần over 9 years ago in reply to Praveen Aroul

Prodigy 60 points

If I use external clock instead of crystal, assuming that I have configured internal register. Can I get 4MHZ clock on CLOCK out pin

0 Praveen Aroul over 9 years ago in reply to đạt trần

TI__Mastermind 49176 points

Yes, you will get the 4MHz clock on CLKOUT pin.