Fantastic Info About How To Control A Hd44780-based Character-lcd
The reason for this is that the lcd rs input is an ttl input, so without proper buffering it will not work.
How to control a hd44780-based character-lcd. View hd44780howto.pdf from hk 2 at ho chi minh city university of technology. 0 = no display shift, 1 = display shift b1 : The pin assignment shown in table 2.1.
The pin assignment shown in table 2.2. The rs pin tells the hd44780 which type data the current value is. Each word could be an instruction as well as a data which must be stored in cgram or.
The code contains a few basic routines to handle the lcd display. General info 8051 example pic example misc. Toc mail me your ideas!