Posted on September 04, 2017 at 09:49In AN2784:Using the high-density STM32F10xxx FSMC peripheral to drive external memories.There is a rule:tsu(Data_NE) + tv(A_NE)=2tHCLK + 25. I use STM32F207 on my board. What is the value of tsu(Data_NE) + tv(A_N...