AXEL Lite SOM/AXEL Lite Evaluation Kit/Interfaces and Connectors/RTC
< AXEL Lite SOM | AXEL Lite Evaluation KitRevision as of 14:41, 20 October 2020 by U0007 (talk | contribs) (Created page with "<section begin=History/> {| style="border-collapse:collapse; " !colspan="4" style="width:100%; text-align:left"; border-bottom:solid 2px #ededed"|History |- !style="border-le...")
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Contents
Console interfaceEdit
DescriptionEdit
SBCX uses the RTC device provided by AXEL Lite PMIC
An external lithium battery (like Panasonic ML-2020/G1AN rechargeable battery) can be optionally mounted on SBCX.
SignalsEdit
The following table describes the interface signals:
| Pin# | SOM Pin# | Pin name | Pin function | Pin Notes |
|---|---|---|---|---|
| - | J10.14 | PMIC_LICELL | coin cell battery network has to be properly configured for lithium battery recharge current |
Device mappingEdit
RTC is mapped to /dev/rtc0 device in Linux.
Device usageEdit
The peripheral can be accessed through the date and hwclock linux commands.