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I²C link between ST7FOX and STM32

jps
Associate II
Posted on December 18, 2009 at 07:58

I²C link between ST7FOX and STM32

1 REPLY 1
jps
Associate II
Posted on December 18, 2009 at 07:58

I am on a project in wich I plan to use 4 ST7FOX to manage I/O and a STM32 to make calculations and link with a host.

I plan to dial in I²C between the 4 ST7FOX and the STM32 using 4 ports as ''chip select''.

My problem is that the ST7FOX are supplied with 5V and the STM32 with 3,3V.

Do somebody have already experimented such a configuration?

ANy advise or solution is welcome!

Regards

whitebull