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Author Topic: RTC library (ISL12022)  (Read 2069 times)
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Erfurt, Germany
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While looking around for a real nice RTC I found the ISL12022M from Intersil fitting in my actual project (watching 5 fuel depots for my Oil heating).
This part has an internal quartz (32768 Hz), a temperature sensor (precision 0.5 °C) and 128 bytes of static RAM. The logic and RAM are battery or even gold/supercap buffered.
Since there are good precision control possibilities for the clock (http://www.intersil.com/data/an/an1400.pdf) this electronic part maybe of interest for somebody I wrote a library (attached to this article).
The library uses the Time.h library.

Please feel free to test the code and let me know if there are bugs or if you have any suggestions what you miss in that library.

* ISL12022RTC.h (9.99 KB - downloaded 32 times.)
* ISL12022RTC.h (9.99 KB - downloaded 35 times.)
« Last Edit: March 19, 2011, 09:41:04 am by Ulli » Logged

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Shakespeare, Hamlet

Erfurt, Germany
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...forgot to add the c++ library file, sorry!

* ISL12022RTC.cpp (8.86 KB - downloaded 57 times.)
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Shakespeare, Hamlet

Espoo, Finland
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Your first link is bit broken:
http://www.intersil.com/data/fn/fn6659.pdf

Cheers,
Kari
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nr Bundaberg, Australia
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That's a neat-looking chip, first time I've seen a TCXO with an external crystal.

_____
Rob
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Rob Gray aka the GRAYnomad www.robgray.com

Erfurt, Germany
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I've got the link repaired. Hope you enjoy!
Perhaps you can get this chip as sample on Intersil's page. So did I  smiley-lol
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Shakespeare, Hamlet

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Hello
I am an absolute beginner,
I could get I2C communication with an ADT7410 and a pinexapnder. But with the ISL12022 I probably miss something(s).
Is there a easy way to test if I have comunication?

Regards,
Gaby
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