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output_low() problem?
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SET



Joined: 15 Nov 2005
Posts: 161
Location: Glasgow, UK

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PostPosted: Fri Jan 25, 2008 10:25 am     Reply with quote
If you have the R/W line to the LCD module asserted, remember that the module will then drive the bus and might conflict with the PIC. So disconnect the R/W line (or tie such that its only doing 'writes') at the module end and see what happens.

(I cant remember which way round R/W is - probably low to write, but please check!)
fastlink30



Joined: 14 May 2007
Posts: 33

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PostPosted: Fri Jan 25, 2008 12:49 pm     Reply with quote
After RMW problem, another problem was in the code, now all ok.

Thanks to all for the suggestion!
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