If I set up the DMA2D for a memory to memory transfer using AHB memory (SRAM1, 2 or 3), the transfer error (TEIF) flag gets set. The same setup addressing AXI SRAM works. The table in AN4891 page 13 suggests that the DMA2D can access SRAM1,2,3 so why...

Posted on August 24, 2017 at 12:20I am trying to get the STM32F767 in the LQFP100 package to go into standby but the internal 1.2v regulator stays on.There is a complication in that it uses external oscillators while running, but for shutdown I swit...