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FN-M16P

FN-M16P Embedded MP3 Audio Module

Unspecified 

Flyron Technology Co., Ltd.

www.flyrontech.com

3.6.2.Specify volume

1).Our system power-on default volume is level 30, if you want to set the volume, then directly send the

corresponding commands.

2).For example, if specify the volume to level 15, send the command 7E FF 06 06 00 00 0F FF D5 EF.

3).MSB=0x00; LSB=0x0F, 15 is converted to hexadecimal 0x000F.

3.6.3. Specify single repeat playback

Start repeatedly play the first track

7E FF 06 08 00 00 01 xx xx EF

Start repeatedly play the second track 7E FF 06 08 00 00 02 xx xx EF

1).We added this control command 0x08, to meet the needs that some users need single repeat playback.

2).During single repeat playback, you can still normally execute the operations Play/Pause, Previous, Next,

Volume+/-, EQ and so on. You can specify single track playback or make it sleep to turn off single repeat playback

status.

3.6.4. Specify playback of a device

Specify playback of USB flash

Specify playback of SD card

7E FF 06 09 00 00 01 FE F1 EF

7E FF 06 09 00 00 02 FE F0 EF

1).The module supports two types of playback devices(USB flash and SD card). The device must be on-line, so it

can be specified playback. It automatically detects if a device is on-line or not. No need users’ attention.

2).It automatically enters into the standby status after specifying a device, waiting MCU to specify a track to play. It

takes about 200ms from specifying device to the module finishes initialization of file system. Please wait for 200ms

and then send the specified command to play a track.

3.6.5. Specify playback of a track in a folder

Specify playback of track 001 in the folder 01

Specify playback of track 100 in the folder 11

Specify playback of track 255 in the folder 99

7E FF 06 0F 00 01 01 xx xx EF

7E FF 06 0F 00 0B 64 xx xx EF

7E FF 06 0F 00 63 FF xx xx EF

1).The default folders are named as "01", "11", “99” in this way. In order to be with a better system stability, it is

made to support maximum 99 folders and maximum 255 tracks in each folder..

2).For example, if specify to play “100.mp3” in the folder "01", send the command 7E FF 06 0F 00 01 64 xx xx EF

MSB: represents the name of the folder, maximum supports 99 folders from 01 - 99.

LSB: represents the track, maximum supports 255 tracks from 0x01 to 0xFF.

3).You must specify both the folder and the file name to target a track. This feature supports MP3 and WAV audio

formats.

4).The following two images illustrates the naming method of folders and files.

11

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