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external DMA triggering using a GPIO pin

Question asked by Mio001 on Jan 13, 2014
Latest reply on Jan 13, 2014 by waclawek.jan
Hi,

is it possible to trigger a DMA transfer (8 bit data from gpios) on a falling edge on a gpio pin? (without using interrupts!!!).
I think it is standard on all other mcu's with dma support (like kinetis mcus or nxp/ti devices) but i can't find any solution on ST cortex M3/M4 devices...:(.

Greetz

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