Em 20/1/2010 08:28, slippyr4 escreveu:
>> You say you are using a 'Hitachi compatible' chip set. It is known that =
not
>> all chip sets work as fast as the Hitachi ones, so I suspect you may need
>> to
>> lengthen some delays between operations on the LCD.
>>
>> --
>>
>>     =

> my delays are already extremely long in comparison to what they ought to =
be
> for a proper hitachi chipset.
>   =



Pay attention also to the delays inside each access cycle, like setup
and hold times and minimum Enable low and high times.

The Enable low and high times must be over 500ns each.

Best regards,

Isaac

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