Chee Foon Tiang wrote:
>
> Kalle Pihlajasaari replied:
>
> >Tony,
>
> >> I am having trouble initializing my 2x8 optrex
> >> lcd w/hd44780a
> >> Is it necessary to pull the unused inputs to the
> >> lcd low externally ?
>
> >Yes.
>
> No!!
> The HD44780 is internally pulled-up. Therefore,
> you can leave it open.
>
> Regards,
>
> Peter Tiang
> tiangcfoon@hitachi.com.my
I knew about the pullup's from the faq's but was looking for some
explanation for my difficulty. Thanks Tony M.