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.
调试电路板的过程中发现的问题，CPU是STM32F207，烧录程序过程没问题，上电开机显示白屏，点击屏幕主板蜂鸣器无法响应，后来才发现是MAX3232损坏，不上电测出的阻抗值也没什么异常，想知道MAX3232连接显示屏的工作原理是什么？
