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Hi Sir,
The customer has an issue about PCA9555. The INT pin has connected to VCC through a pullup resistor. But the INT pin is always low all the time.
How to solve this issue? Look the schematic. Thanks.
Best Regards,
Mickey,
Have you referred to the Interrupt Errata within the datasheet? (See below)
Is this what the customer is experiencing?
Thanks,
Siby
