When using the Nano112 to drive the LCD, what happens if the pin that is not used to drive the LCD is also configured as

[a_ziliu]

When using the Nano112 to drive the LCD, if other pins are also configured as the LCD function, the pins connected to the LCD will be affected and the LCD drive waveform output may be abnormal, resulting in blurred display. Therefore, pins that are not connected to the LCD should not be configured as the LCD function.