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166 key keyboard

 
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jb miller



Joined: 17 Dec 2003
Posts: 1

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166 key keyboard
PostPosted: Wed Dec 17, 2003 11:55 am     Reply with quote
Hello.Need a little help getting a 166 key keyboard going.Am using a 16F877 and figure a 13 by 13 matrix is the fewest pins. How do I use the union or structure commands to allow different pins of differnt ports to become the rows and columns? I've done 8by8 matix before,this however is a challenge.All help is appreciated. I tried old posts but nothing seemed to be what I need.
Jay
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Wed Dec 17, 2003 12:23 pm     Reply with quote
See the post by Mark in this thread, where he expands the CCS
lcd_pin_map structure to use more than one port.
http://www.ccsinfo.com/forum/viewtopic.php?t=17323
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