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How to configure in order to get the least power consumption for USB mouse in the USB suspend mode?

Users should pay attention to the following points:
1. Close Mouse Sensor;
2. Set I/O port as input mode with register pulled up; (including the clock line that communication with sensor, etc.)
3.MCU enters sleep mode;
4.For wireless mouse, the host need to be waked up in USB suspend state, so generally, MCU is set to enter green mode in this state to wake up MCU periodically to keep RF communications.