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PICList Thread
'CLOCK-CALENDAR ... PCF8583 ... PIC CODE ?'
1997\12\16@110120 by Bonassina Ivano

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Someone can help me to find an ASM code for PIC ( 16C84 in better ) to
realize, like an hobbiest, a simple and normal CLOCK ?
Thanks in advance.
Bye Ciao

1997\12\16@113121 by Aaron Hickman

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part 0 358 bytes
       Here you go!

Aaron

Attachment converted: wonderland:pcf8583.asm (TEXT/MSIE) (0000D6AD)

                \\\ | ///
               \\ - - //      "Yes it IS safe
           ( @ @ )         to switch on"
+---oOOo-(_)-oOOo------------------+

Aaron B. Hickman
Drexel University
Dept. of Chemistry
Phone (215)895-2645
Fax    (215)895-1980

1997\12\16@115510 by Brian Schousek

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If you are just trying to implement a clock (no calendar) and that is all
your system is going to do... skip the RTC (Real Time Clock) IC and refer to
Microchip Application Note AN590 (see http://www.microchip.com) which implements a
clock in a 16c54. Although I haven't looked at the code, I can see no good
reason why it shouldn't work in an '84 with minor modification. The only
exception is that you have less I/O so you will have to get fancy with the
switch inputs, multiplexing I/O in some way. Refer to AN529 'Multiplexing
LED Drive and a 4*4 Keypad Sampling' for some hints.


-----Original Message-----
From: Bonassina Ivano <spam_OUTbonassinTakeThisOuTspamTIN.IT>
To: .....PICLISTKILLspamspam@spam@MITVMA.MIT.EDU <PICLISTspamKILLspamMITVMA.MIT.EDU>
Date: Tuesday, December 16, 1997 11:01 AM
Subject: CLOCK-CALENDAR ... PCF8583 ... PIC CODE ?


>Someone can help me to find an ASM code for PIC ( 16C84 in better ) to
>realize, like an hobbiest, a simple and normal CLOCK ?
>Thanks in advance.
>Bye Ciao

1997\12\16@152047 by Andrew Mayo

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Luckily Microchip have done this for you - look in the application notes
at their web site

> ----------
> From:         Bonassina Ivano[SMTP:.....bonassinKILLspamspam.....TIN.IT]
> Reply To:     pic microcontroller discussion list
> Sent:         Wednesday, December 17, 1997 4:58 AM
> To:   EraseMEPICLISTspam_OUTspamTakeThisOuTMITVMA.MIT.EDU
> Subject:      CLOCK-CALENDAR ... PCF8583 ... PIC CODE ?
>
> Someone can help me to find an ASM code for PIC ( 16C84 in better ) to
> realize, like an hobbiest, a simple and normal CLOCK ?
> Thanks in advance.
> Bye Ciao
>

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