[SOLVED] which RTC chip on pyboard v1.1?

The official pyboard running MicroPython.
This is the reference design and main target board for MicroPython.
You can buy one at the store.
Target audience: Users with a pyboard.
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jpj
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[SOLVED] which RTC chip on pyboard v1.1?

Post by jpj » Tue Dec 20, 2016 7:15 pm

I've done some searching and found many interesting threads regarding the RTC on v1.0 and v1.1 pyboards, but haven't found the RTC chip model. I must have missed it in a specifications page somewhere.

I'm wondering what chip is on the v1.1 and how accurately does it keep time?

Thanks,
J

p.s. I have a v1.1 pyboard ordered and on the way. :D I'm looking forward to working with it after using an Adafruit huzzah esp8266.
Last edited by jpj on Wed Dec 21, 2016 5:52 am, edited 1 time in total.
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dhylands
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Re: which RTC chip on pyboard v1.1?

Post by dhylands » Wed Dec 21, 2016 12:54 am

The RTC is built into the STM32F405 MCU.

There are some other posts about accuracy:
http://forum.micropython.org/viewtopic.php?f=6&t=326
http://forum.micropython.org/viewtopic.php?f=6&t=598
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jpj
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Re: which RTC chip on pyboard v1.1?

Post by jpj » Wed Dec 21, 2016 2:09 am

Thank you Dave!
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