Posted on May 17, 2011 at 13:00Hi, I found out following: The I2C1 runs on PB8 & PB9 when I also connect pull up resistors on PB6 & PB7. Have anybody an idea what it the reason for this reaction? Thanks, regards Klaus Haber

Posted on May 17, 2011 at 13:00Hi, I have seen jki has the same problem and have solve it. May be I do something wrong, but I2C1 does not run. Please help. I am using I2C1 and FSMC on a STM32F103VC. On the PB6 and PB7 and after RCC_AHBPeriphClockCmd...