Steven Marshall
New member
I've read on this forum that some users had compatibility issues with ST7066U. So right now i'm not sure which one to purchase - Sunplus or the Sitronix based LCD module.
Reason for being worried is that i have electronic device from 1988 (Roland sequencer) that uses HD44780 based LCD (Sharp 20256B LCD). I've purchased one LCD based on KS0066 to find out it doesn't work with my device. Although the pins are 100% identical and i've checked the contrast thing, the characters won't come up as if the LCD hasn't been initialized. (When i switch back to original LCD, all works, so contacts are ok.)
-- So which one (Sunplus or Sitronix) is more closer to original HD44780 ?
I assume i need to get as close a possible to HD44780 with compatibility, particularly initialization routine and the timing.
Any help appreciated!
Reason for being worried is that i have electronic device from 1988 (Roland sequencer) that uses HD44780 based LCD (Sharp 20256B LCD). I've purchased one LCD based on KS0066 to find out it doesn't work with my device. Although the pins are 100% identical and i've checked the contrast thing, the characters won't come up as if the LCD hasn't been initialized. (When i switch back to original LCD, all works, so contacts are ok.)
-- So which one (Sunplus or Sitronix) is more closer to original HD44780 ?
I assume i need to get as close a possible to HD44780 with compatibility, particularly initialization routine and the timing.
Any help appreciated!
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