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???
08/27/06 11:47
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 		 #123132 - Better late than never
Responding to: ???'s previous message
This might be quite a late reply for your request but I'm sure you were waiting for this one. Next time you post a request, make sure you specify the processor details it will help the forum members to help you better. Anyways, look for 'LCD4bit mode' posted by me in the code library, it is tested and works absolutely fine, I have used the same code in many of my projects.

I am sure there will be a lot of comments on "it is tested and works absolutely fine.", but they will never know until they have tested it and I am sure they don't have enough time to do that. Go ahead with the code, you will need to change the port assignments in the code according to your requirements. The code is written for at89c51@11.0592MHz, introdure 8 to 10 'nop's between Rs and En if you are running the processor at a faster clock rate.

List of 52 messages in thread
TopicAuthorDate
4-bit LCD ... single PORT            01/01/70 00:00      
   there's a datasheet            01/01/70 00:00      
      LCD datasheets ...            01/01/70 00:00      
         the Hitachi Datasheet for HD44780 is not like that            01/01/70 00:00      
         VFDs: Lucky b*stard            01/01/70 00:00      
   4-bit LCD            01/01/70 00:00      
      There are examples on 8052.COM if you search            01/01/70 00:00      
         And you don't need R/W*            01/01/70 00:00      
            but be aware! You discard several functions.            01/01/70 00:00      
               on saving pins            01/01/70 00:00      
                  wait a minute ...            01/01/70 00:00      
                     Richard, please            01/01/70 00:00      
                        Why should he change direction?            01/01/70 00:00      
                           no such impilcation            01/01/70 00:00      
                              well, the logic is simple ...            01/01/70 00:00      
                                 OK, as always            01/01/70 00:00      
                  Richard, quit bickering            01/01/70 00:00      
                     it goes to an OLD issue            01/01/70 00:00      
                        as I see it is that this is GREAT.            01/01/70 00:00      
                  On saving pins            01/01/70 00:00      
                  read the forum messages, don't glance            01/01/70 00:00      
   Here is my example            01/01/70 00:00      
      why do you persist in 'advertising' this CRAP            01/01/70 00:00      
         Attack, Attack, Attack.            01/01/70 00:00      
            get your facts straight            01/01/70 00:00      
               Did you understand real life ?            01/01/70 00:00      
                  yes, I do            01/01/70 00:00      
   Answer            01/01/70 00:00      
      Jon, great answer            01/01/70 00:00      
         Yes, indeed, ... BUT ...            01/01/70 00:00      
            How do you know...            01/01/70 00:00      
               It's possible that things worked that way            01/01/70 00:00      
   Better late than never            01/01/70 00:00      
      \"It works\"            01/01/70 00:00      
         Yes, it does            01/01/70 00:00      
            does that mean they're all alike?            01/01/70 00:00      
               Yes, if all guys would read the datasheets...            01/01/70 00:00      
                  Hitachi JHD 162a            01/01/70 00:00      
                     Point missed            01/01/70 00:00      
                     That's not relevant!            01/01/70 00:00      
                        Advice appriciated            01/01/70 00:00      
                           where are you going to find that?            01/01/70 00:00      
      well, you just posted your own 'comment'            01/01/70 00:00      
   Simple Guidance            01/01/70 00:00      
      One LCD, One Port            01/01/70 00:00      
      horsefeathers, male cow manure            01/01/70 00:00      
   GOD!!!            01/01/70 00:00      
      try a shadow register            01/01/70 00:00      
   Full assembly Code ... LCD 4 bit            01/01/70 00:00      
      On first reading...            01/01/70 00:00      
      probs in 2 SUBROUTINES ...            01/01/70 00:00      
   Many ways to skin a cat            01/01/70 00:00      

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