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AM4376: Connecting nINT

Part Number: AM4376
Other Parts Discussed in Thread: TPS65218D0, , TPS65218

Hi Support Team,


The following user guide shows an example of connecting the nINT of the PMIC to GPIOx
when using AM437x with TPS65218D0.

Powering the AM335x, AM437x, and AM438x with TPS65218D0
SLVUAA9B-August 2014-Revised February 2020

On the other hand, there is an example of a customer's system
with the old TPS65218 and AM4376 connected to the AM4376 NMI, and it works.


The above user guide also shows an example of connecting to the NMI of the CPU,
which is the case of the AM438x CPU.

What is the possible problem with leaving the INT connected to the NMI,
as I don't really understand how the PMIC asserts the INT in such cases?

*Customer expects to leave it the same as the case in the current system,
 but the customer will determine what to do with the circuit based on the information they can get.

Best Regards,
Kanae