Manual
DFPLayer Mini
Figure 3.1folder name 
Figure 3.2 file name
3.5. Key Ports
We use the AD module keys, instead of the traditional method of matrix keyboard connection, it is to take 
advantage of increasingly powerful MCU AD functionality, Our module default configuration 2 AD port, 
20  key  resistance  distribution,  if  used  in  strong  electromagnetic  interference  or  strong  inductive, 
capacitive load of the occasion, please refer to our "Notes." 
1).Refer diagram 
Figure 3.3 ad key refer   
2)、20 function keys allocation table 
Key  Short Push  Long Push  Description 
K1  Play Mode    Switch to interrupt / non interrupted 
K2  Playback device switches
  U/TF/SPI/Sleep 
K3  Operating Mode    All cycle 
K4  Play/Pause     
K5  Previous  Vol+   
K6  Next  Vol-   
K7  4 
Repeat play 
tracking 4 
Long push always to repeat play 
K8  3 
Repeat play 
tracking 3 
Long push always to repeat play 










