Maarten Hofman wrote:

>I do appreciate seeing the old example from Myke Predko coming back, though
>(I liked his book a lot).


Which book did you like? He has lots in print, and I would like to 
choose a good starting point.

Regards

>> Try this LCD controller:
>>
>> http://www.myke.com/lcd.htm
>>
>> Less code and pins, using just a cheap CI 74LS174.
>>     
>
>
> Please explain how serial access to an LCD reduces the code size compared to
> full parallel access? I know it reduces the number of pins (though I would
> go for a three pin interface with a normal shift register, and not Myke's
> two pin interface... I never had much luck with that) but in my experience,
> it increases the code size: instead of a simple "move data to port, toggle
> enable" you now have to shift each bit separately and then toggle enable.
>
> In Brent's case it doesn't really help either, as it would still result in a
> redesign of his PCB, which is the thing he is trying to avoid.
>
> I do appreciate seeing the old example from Myke Predko coming back, though
> (I liked his book a lot).
>
> Greetings,
> Maarten Hofman.
>   
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