If it exceeds 0.55V for the first time, it will start the PMIC(rising edge triggering start).And it is connected to the divider of external power supply generally. |
qiu 发表于 2020-10-13 14:10
核心板内部有做分压,外部需要12V供电;我们的底板设计就是12V供电,底板的5V也是12V降压出来得到的,参考 ...
qiu 发表于 2020-10-13 14:10
核心板内部有做分压,外部需要12V供电;我们的底板设计就是12V供电,底板的5V也是12V降压出来得到的,参考 ...
欢迎光临 Toybrick (https://t.rock-chips.com/) | Powered by Discuz! X3.3 |