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Electronics Forum / Electronics / May 2008Interfacing ds1307 with 16f877
Hello friends! I'm intefcacing DS1307 RTC wit pic16f877. I need some help. The data from RTC is not correctly received. Can anybody suggest a possible solution? > Hello friends! > I'm intefcacing DS1307 RTC wit pic16f877. I need some help. The data > from RTC is not correctly received. Can anybody suggest a possible > solution? I've got some very old assembler code here for talking to the DS1307 is that helps: http://www.alternatezone.com/electronics/files/vcg_asm.zip Also, do try using Google. First hit for "DS1307 PIC": http://www.maxim-ic.com/appnotes.cfm/an_pk/3921 Dave. > Hello friends! > I'm intefcacing DS1307 RTC wit pic16f877. I need some help. The data > from RTC is not correctly received. Can anybody suggest a possible > solution? I have some old code at: http://www.dontronics.com/rtc.html don't know if this will help, or not. Cheers Don...  SignatureDon McKenzie Site Map: http://www.dontronics.com/sitemap E-Mail Contact Page: http://www.dontronics.com/email Intelligent 2.83" AMOLED with touch screen for micros: http://www.dontronics-shop.com/product.php?productid=16699 > Hello friends! > I'm intefcacing DS1307 RTC wit pic16f877. I need some help. The data > from RTC is not correctly received. Can anybody suggest a possible > solution? It's very difficult to do this without a 'scope. I know, I've done it. Beg borrow or steal one and look at the timing of the waveforms you're generating. There's lots of code around, but to make sure you have the right port pins, configured in the correct direction, toggling with the right polarity at the right time, you really must have a scope, regardless of what existing code you have. Clifford Heath. |
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