英语翻译When the port is configured as an input port,the corresp
英语翻译
When the port is configured as an input port,the corresponding bit is the pin state.When the port is configured as an output port,the pin state is the same as the corresponding bit.When the port is configured as functional pin,the undefined value will be read.
来自arm芯片的用户手册,求翻译.主要是pin state不懂是什么意思