Difference between revisions of "AXEL Lite SOM/AXEL Lite Evaluation Kit/Interfaces and Connectors/RTC"
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!colspan="4" style="width:100%; text-align:left"; border-bottom:solid 2px #ededed"|History | !colspan="4" style="width:100%; text-align:left"; border-bottom:solid 2px #ededed"|History | ||
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!style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Issue Date | !style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Issue Date | ||
!style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Notes | !style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white"|Notes | ||
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Revision as of 10:08, 7 September 2022
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| History | |||
|---|---|---|---|
| ID# | Issue Date | Notes | |
| 22/09/2021 | 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.
