>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>Sent: 15 September 2006 18:39
>To: piclist@mit.edu; Phil Cross
>Subject: [PIC] - LCD module interface power-up initialization.
>
>
>Hi Phil:
>
>I found that both AN582 and 587 have errors relating to the 
>LCD code and 
>Microchip has told me that they have no provision for errata 
>sheets for 
>the app notes (too bad).  In addition these two app notes, and much of 
>the code that's out there for driving LCD modules, works by writing 
>nibbles.  A much better way is to use bcf and bsf instructions on 
>individual port bits.

Only for some values of better!  Using BCF and BSF on port pins on low/mid range devices leaves you open to the read-modify-write issue that many people have been bitten with in the past.

Regards

Mike


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