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MBaig.1
Associate II
Aug 25, 2021 2:13 PM UTC
Question

stm32 EEPROM Read

Hello Every one i am using the STM32WB35CC SoC for custom BOARD, I am facing an issue that when i tries to write EEPROM I get correct response checked using Logic Analyzer but when i tried to read eeprom I GET HIGH impedance with every address. The Eeprom i am using is CAT25320 .... waiting for solution

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22 replies

ONadr.1
Senior III
Aug 30, 2021 9:35 AM UTC

I can see on the pictures, that first write is to adr. 0x01, but your first reding is from 0X00.

Could you write one byte to some adress, read only one byte form this adres and place the analyzer output and program code here?

MBaig.1
MBaig.1Author
Associate II
Aug 30, 2021 12:49 PM UTC

Thank You for your kind help … I have solved my issue it is something related to my GPIO configuration which was causing issue during write i was getting proper write responses but it was actually not written