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Start up status of PENREQ

Part Number: ADS7843

Hi support team.

I received a inquiry from my customer below. 

1) The inquiry is what is the state of PENIRQ immediately after startup?

Also, they would like to get a PENIRQ signal without any settings after startup, but the reality doesn't seem to be the case.

2) It seems that the internal initial settings are not described in the data sheet, is there a way to know?
Or are all the settings undefined immediately after startup?

Best regards,

Higa