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PIC problem

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mayur_bankhele

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i want to know about which IC is sufficient for the RTC inPIC 18f4685 and RTC communication via SPI give me detail of RTC used in SPI mode
I am using 18f4685 and 16f877a and RTC both communication in SPI only I want RTC Ic please refer me
 
Hi,

You may try Dallas DS1305. The following link is an application note on interfacing it. **broken link removed**

Hope that helps. Merry Christmas!
 
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