Electronics > Microcontrollers

possible to synch digital out puts so they turn on or off at the same time?

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Gibson486:
Is it possible to sync the outputs of the stm32 so you can sync or delay the outputs so they turn on at one time? Or is my best bet to use I/O on one port and control each port by it's 32 bit (or is it 16) register and deal with the delay from one port to another?

ataradov:
There is no way to synchronize them. The best you can do is minimize the delay by carefully optimizing the write code.

eutectique:
Use ODR to output a data pattern.
Use BRR to set selective pins to zeros.
Use BSRR to set selective pins to ones.

Is it what you are after?

ataradov:
No, he needs to synchronize multiple different ports (toggle 32 pins at the same time, for example).

ledtester:
Would DMA be a possible solution?

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