DMA-trigger via GPIO-pin
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2009-08-06 06:02 AM
Posted on August 06, 2009 at 15:02
DMA-trigger via GPIO-pin
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2011-05-17 04:20 AM
Posted on May 17, 2011 at 13:20
Hi,
is it possible to start a DMA transaction by a falling edge on a GPIO pin (STM32F103CB)? I used the EXTI configuration for this input pin and in the EXTI-ISR i can trigger the DMA. But i think this is not a really good solution, because of a trigger-signal of 9 - 18 MHz. So i want to trigger the DMA by the hardware. Greetings Hirbel