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STM32F429-discovery TFT Display VSYNC signal conflict with DAC#1

Christopher Pappas
Senior II
Posted on February 14, 2014 at 04:00

It appears as though the TFT Displays VSYNC signal (pa4) is in use in RGB-mode, and as a result, I can't set it to function as AFIO DAC&sharp1 output (pa4), as it seems to cause the display to turn all white. DAC&sharp2 output (pa5) works ok, but I was hoping to get a stereo output using both DAC pins. Can the TFT be set to run in MCU-mode, or any other mode that does not require a VSYNC signal?

#dac #tft #discovery-stm32f429
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