2014-06-05 10:59 AM
The
http://www.st.com/web/en/resource/technical/document/errata_sheet/DM00037591.pdf
describes a limitation with the DMA2. ''2.1.10 DMA2 data corruption when managing AHB and APB peripherals in a concurrent way'' Does the above note also apply on STM32F429 / 439? Have anyone tried to have more than two concurrent DMA2 transfers on STM32F429 / 439? Is it possible to have 19 concurrent DMA transfers (16 peripheral DMA and 3 dedicated DMA)? 8 x DMA1 channels 8 x DMA2 channels 1 x USB HS dedicated DMA 1 x Ethernet dedicated DMA 1 x DMA2D (LCD-TFT DMA) #stm32f42x-concurrent-dma