This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
beaglebone black 系统断电后时钟就停止了，麻烦问一下技术专家怎么能解决这个问题，BBB有没有哪个引出来的引脚能给片内RTC供电，让在系统断电后时间也能正常走
BBB的板子音印象中是用的PG2.1的芯片，你看一下你板子上面是不是AM3359B的字样，如果有B字样的表示PG2.1的芯片，RTC部分在系统关闭了后如果有电是会维持的。你查下datasheet，要给VDDS_RTC等相域供上点才可以。供电方式参考着：
http://processors.wiki.ti.com/index.php/AM335x_Schematic_Checklist#RTC
