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DFPLayer Mini
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
2)、20 function keys allocation table
Key
Short Push
K1
Play Mode
K2
Playback device switches
K3
Operating Mode
K4
Play/Pause
K5
Previous
K6
Next
K7
4
K8
3
Figure 3.1folder name
Figure 3.2 file name
Figure 3.3 ad key refer
Long Push
Vol+
Vol-
Repeat play
tracking 4
Repeat play
tracking 3
Description
Switch to interrupt / non interrupted
U/TF/SPI/Sleep
All cycle
Long push always to repeat play
Long push always to repeat play