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CFAH1602ZYYHET ST7066U controller

gointc

New member
Is the ST7066U lcd controller compatible with the HD44780?

I think it is but need to verify.

Thanks!
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CF Support2

Administrator
The ST7066U is an HD44780 compatible controller. The only issues we have seen is if timing in the code was really tight - but that was mainly during the transition from the Sunply SPLC780D to the ST7066U where one step in the initialization needed slightly longer on the Sitronix chip. Given that both are much newer that the HD44780, odds are, you won't encounter any timing issue.
 
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