Difference between revisions of "AXEL Lite SOM/AXEL Lite Evaluation Kit/Interfaces and Connectors/RTC"
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=== Description === | === Description === | ||
Revision as of 12:46, 22 September 2021
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| History | |||
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| Version | Issue Date | Notes | |
| 1.0.0 | Oct 2020 | First DESK release | |
RTC[edit | edit source]
Description[edit | edit source]
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.
Signals[edit | edit source]
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 mapping[edit | edit source]
RTC is mapped to /dev/rtc0 device in Linux.
Device usage[edit | edit source]
The peripheral can be accessed through the date and hwclock linux commands.
