j_s_connell
Joined: 02 Feb 2004
Posts: 17
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| 74HC595 and LCD |
 Posted: Mon Feb 02, 2004 6:18 pm |
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I am using a 74HC595 serial-to-parallel converter to shift bits out to an HD44789 lcd (from a pic 16f876).
Will the 74595.C library work with the 74HC595, and if so do I have to modify the code at all to use it with the LCD (how does the lcd get strobbed)?
Also, has anyone written any c code for LCD display using this method?
Any help would be great!
James |
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Humberto
Joined: 08 Sep 2003
Posts: 1215
Location: Buenos Aires, La Reina del Plata
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| Posted: Tue Feb 03, 2004 12:05 pm |
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j_s_connell wrote:
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Will the 74595.C library work with the 74HC595
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Yes, 74595.C is the generic name to handle this serial-to-parallel converter, no matter the family they correspond (HC, L, LS, HCT)
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if so do I have to modify the code at all to use it with the LCD (how does the lcd get strobbed)?
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Is up to you. Not sure but may be somebody do it before. I don't like the idea of the extra and obscure code you will get just because you don�t have enough pins available. I will try another bigger uC or will divide the tasks and send the info to an independent LCD display using two lines.
Best regards,
Humberto |
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