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LTC6820 isolated communication issue

Hi, I am using LTC6820 to isolate the interface between STM32F446re microcontroller to LTC6811. The connections for LTC6820 is as follows 

MSTR = VDD,

EN = VDD,

SLOW = GND,

POL, PHA = VDD.

All the remaining connections are according to the datasheet specifications mentioned. But I am unable to transmit or receive signals on IP or IM pins. 

Can you guide me how to start communication.

Thread Notes

Moved from How to Use EngineerZone to Interface and Isolation on Wednesday, November 8, 2023 3:33:08 PM by emassa