Can I modify the gpio output voltage of STM32F769 mcu

[cherry li]

Posted on May 31, 2018 at 10:55

Dear all:

    I am working on the stm32F769  ST board.

    The gpio output voltage is 3.3v. I want to change the GPIO output voltage to 1.8v. How can I make the change?

     I would greatly apprieciated.

[Tobias Wedell]

Posted on June 01, 2018 at 04:37

Hi,

for low speed applications you can use a simple voltage divider.