STM32F4 timer driven DMA

davedave91 · ‎2016-07-19

Posted on July 19, 2016 at 13:32

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waclawek.jan · ‎2016-07-19

Posted on July 19, 2016 at 15:40

DMA1 can't access anything other than APB1-based-peripherals on its Peripheral port. Look at Figure 1 in RM. GPIOs are on AHB1.

You better use DMA2, thus trigger from a different timer which has triggers to DMA2.

JW