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RTC-DS1307 with 8051
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adhiteev



Joined: 06 Nov 2006
Posts: 7
Post02 Feb 2007 10:52   

ds1307 application
Hiii,
I am working on a board which has the RTC and working with AT89s52 chip. I downloaded some sample codes from the net for RTC but could get anyting which works.
have any of you come across any RTC code which works?

Thanks
Adhiteev
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techie



Joined: 05 Feb 2002
Posts: 850
Helped: 43
Location: Pakistan
Post02 Feb 2007 12:59   

ds1307 application note
For Ds1307, the exact code of 24C0x (the I2C eeprom) works perfectly. Both are I2C devices.
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IanP



Joined: 05 Oct 2004
Posts: 6490
Helped: 1542
Location: West Coast
Post02 Feb 2007 14:45   

ds1307 with 8051
Check out this application note:

"Interfacing the DS1307 with an 8051-Compatible Microcontroller"
http://www.maxim-ic.com/appnotes.cfm/appnote_number/95

Regards,
IanP
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NguyenHai



Joined: 18 Jan 2003
Posts: 51
Helped: 2
Post11 Feb 2007 3:05   

ds1307+8051
Hi,
I have program for read and write data to ds1307. Use keil complier.
Best regard.

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H_D_R



Joined: 31 Jan 2008
Posts: 351
Helped: 18
Location: India
Post02 Feb 2008 9:48   

application note ds1307
NguyenHai wrote:
Hi,
I have program for read and write data to ds1307. Use keil complier.
Best regard.


Thank you so much NguyenHai..

but i want it in ASM language.

can you help me please...

Thanks again..
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Post02 Feb 2008 9:48   

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aks_shre



Joined: 17 Jul 2009
Posts: 3
Location: kathmandu
Post14 Oct 2009 11:17   

Re: ds1307+8051
[what is XTAL for ds1307 in ur code.i think it is working but the time calculation is not exact.
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