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Device ID in SC16IS7X2 and SC16IS7X0

Question asked by Mariano Renzi on Oct 22, 2018
Latest reply on Dec 28, 2018 by Mariano Renzi

Hi all,


I have a hardware solution where I can plug via I2C different modules. Some of these modules are serial interfaces with both SC16IS752 or SC16IS750, and dynamically add serial ports to the system.


The problem is I cannot figure out how to know if the device is a 2 UART chip or a single UART one.


Is there any register I can read from these chips to exactly know how many UARTs I'm getting?


Thanks in advance,