What is the RTC power output on LattePanda 3 Delta?

userHead pna 2022-10-05 00:59:56 703 Views2 Replies

What is the RTC power output on the LattePanda 3 Delta for (the top right GPIO port: http://docs.lattepanda.com/content/3rd_delta_edition/io_playability/)? Is this connected to the RTC battery?