NanoPi NEO How to work with the built-in real-time clock RTC

: tuvi2021vansu

: Posts: 1; Joined: Wed Jan 20, 2021 3:14 am

Wed Jan 20, 2021 3:15 am

by tuvi2021vansu » Wed Jan 20, 2021 3:15 am

How to work with the built-in real-time clock RTC
PCB v.1.4 have pin CVBS and GND for connect external battery- this pin have 50 Ohm input impedance
How connect battery, can who knows???

Re: NanoPi NEO How to work with the built-in real-time clock RTC

: guidol

: Posts: 213; Joined: Sat Aug 12, 2017 4:05 pm; Location: Mudanya - Turkey

Wed Jan 20, 2021 8:13 am

by guidol » Wed Jan 20, 2021 8:13 am

CVBS (Composite Video Baseband Signal) is a connection for CVBS/FBAS Video Output and not for a clock-battery:

https://en.wikipedia.org/wiki/Composite_video

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