AnsweredAssumed Answered

STM32F205xx I2C and FSMC_NL

Question asked by JasonP on May 16, 2014
Latest reply on May 16, 2014 by Clive One
I have an STM3210E-EVAL kit and have replaced the 103xx with 205xx (with the pin mods of course) and using STM32Cube to port over the connections of the 3210E-EVAL to an empty 205xx project.
When assigning NOR flash (schematic part U2), PB7 becomes wired to FSMC_NL and therefore cannot place I2C1_SDA (this connects to PB9 instead).
Moving I2C1_SDA manually to PB7 disables the NOR flash instead of (re)moving FSMC_NL.

It seems that the FSMC_NL line is compulsory even though it is not used in the 3210E design

Is this correct or a bug?