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yshnaider
Associate II
June 23, 2019
Question

Hi people, recently I connected an LCD screen to my stm32F469VETx MCU. I configured an FSMC interface for communication. The screen turns on but when I try to write something to the screen nothing happens. Can anybody tell what could be the problem?

  • June 23, 2019
  • 2 replies
  • 1213 views

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2 replies

Tesla DeLorean
Guru
June 23, 2019

Check you can actually read back registers you have written, or you can read an ID or WHOAMI register.

Could be a million reasons why you failed, present your problem better, so someone could recreate your setup exactly from your description.​

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yshnaider
yshnaiderAuthor
Associate II
June 25, 2019

I configured the display and drivers using cube. These are the main configurations for the display:

0690X000008j9BdQAI.png0690X000008j9BTQAY.png

yshnaider
yshnaiderAuthor
Associate II
June 25, 2019

0690X000008j9CRQAY.png0690X000008j9CHQAY.png

yshnaider
yshnaiderAuthor
Associate II
June 25, 2019

And when I try to display the simple example with "hello world", the mcu writes only to 2 of the data pins...