XY-V17D is a development board for our XY-V17B voice module. The development board integrates 5W Class D power amplifier module, 3.5mm audio interface, U disk interface,Micro USB download interface, button module in one module;It makes XY-V17B voice module testing, secondary development are easier and more convenient.
1>.Support MP3 and WAV decoding format.
2>.Support sampling frequency (KHz) : 8/11.025/12/16/22 05/24/32/44.1/48.
3>.24-bit DAC output, dynamic range support 90dB, SNR support 85dB.
4>.Fully support the FAT16/FAT32 file system, with the maximum support 32GB TF card and 32GB U-disk.
5>.Support UART serial port control voice broadcast function, can control playback, pause, selections, turn up and down volume and other functions, the largest selection of 65535 tracks.The baud rate is 9600 bit/s.
6>.Support IO trigger function, 8 IO ports can trigger 8 musics or 8 IO combinations to trigger 255 songs.
7>.Support One_line single bus serial port control, which can control playback, pause, selection, turn up and down volume and other functions.
8>.Support 3 configuration IO for mode selection.
1>.Product Name:UART Voice Controller
3>.Working Voltage:DC 5V
1>.It cannot be used alone, it can only be used together with XY-V17B;
2>.It combines the peripheral circuits required by XY-V17B to facilitate the debugging and use of XY-V17B;
3>.Support Micro USB download for TF card;
4>.Support U-disk and 3.5mm audio input;
5>.Built in 5W amplifier;
6>.Support IO0~IO7 external extension trigger.
1>.Install XY-V17B on module XY-V17D;
2>.Connect to 4ohm~8ohm speaker;(Speaker is not include in package!)
3>.Connect working voltage;
4>.Set work mode by jump cap CON1~CON3;
5>.Test by button on module;
Mode configuration and pin function:
|Control Mode||Configuration Pin||I/O Function|
|I/O Integrated Mode 0||0||0||0||Key combination play, can play 2^8-1(255) Songs.|
|I/O Integrated Mode 1||0||0||1||Level combination play, can play 2^8-1(255) Songs.|
|I/O Independent Mode 0||0||1||0||Music 8||Music 7||Music 6||Music 5||Music 4||Music 3||Music 2||Music 1|
|I/O Independent Mode 1||0||1||1||Music 8||Music 7||Music 6||Music 5||Music 4||Music 3||Music 2||Music 1|
|Standard MP3 Mode||1||0||1||RPT||EQ||P/P/MODE||PREV/V-||NEXT/V+|
1>. "key combination play" : Return to the original high level after the corresponding level from I/O0-I/O7 output, similar to the key triggered once.Similar instantaneous switch.
2>. "Level combination play" :The trigger signal remains the same, similar to a self-locking switch.
3>.The difference between “I/O Integrated/Independent Mode 0” and “I/O Integrated/Independent Mode 1” :Mode 0 will continue playing the current song to the end after release level .Mode 1 will stop playing immediately after release level.
Mode operation instruction:
1>. I/O integrated mode 0(Key combination playing).
It will stop playing current song to the end after I/O0-7 release input signal(return to high) at 'I/O Integrated Mode';It will playing new song when get new input signal during playing and stop after end of song;It will play repeatedly if keep input;Busy pin will output valid signal(High) during playing.
Note: the song must be named for 5bit.
2>. I/O integrated mode 1(Level combination playing)
It will keep playing current song when get trigger signal.It will stop playing immediately after release level.Busy pin will output valid signal(High) during playing.Note: the song must be named for 5bit.
3>. I/O independent mode 0((Key independent controlling)
I/O0-I/O7 independently controls 8 songs.It will stop playing current song to the end after I/O0-7 release input signal(return to high);It will playing new song when get new input signal during playing and stop after end of song;It will play repeatedly if keep input;Busy pin will output valid signal(High) during playing.
Note: the song must be named for 5bit.
4>. I/O independent mode 1(Level independent controlling)
I/O0-I/O7 independently controls 8 songs.It will keep play repeatedly specify the triggered song.It will stop playing immediately after release level.Busy pin will output valid signal(High) during playing.
Note: the song must be named for 5bit.
5>. UART serial port mode
5.1>. Communication format
Adopt full duplex serial port communication;
Baud rate 9600, data bits 8, stop bit 1, check bit N.
Start code - command type - data length (n) - data 1- data n- and test (SM)
Command code: fixed to 0xAA.
Command type: used to distinguish the type of command.
Data length: the number of bytes of data in an command.
Data: the relevant data in the command, when the length of data is 1, means that there is only CMD and no data bits.
Test: it is low 8 bits of the sum of all the bytes. that is, When the starting code and the data are added, take out low 8 bits.
Data format: sent data or command, high 8-bit data is in front, low 8-bit is in the back.
5.2>. Communication protocol
The following is a data definition for the return and identification of the chip.
A. Playing State definition: the system is on the stop state when power on.
00(stop) 01(play) 02(pause)
B. Disk character definition: it is stopped after the switch disk.
USB:00 SD:01 FLASH:02 NO_DEVICE: FF.
C. Volume: the volume is 31grades, 0-30.The default is 20grade.
D. Play mode: the default is the single stop when power on.
Cycle for all songs (00) : play the whole songs in sequence and play it after the play.
Single cycle (01) : play the current song all the time.
Single stop (02) : Only play current song once and then stop.
Random play (03) : random play.
Directory loop (04) : play the songs in the current folder in order, and then play them after the play. The directory does not contain subdirectory.
Directory random (05): random play in the current folder, and the directory does not contain subdirectory.
Directory order play (06) : play the songs in the current folder in order and stop after the play. The directory does not contain subdirectory.
Sequential play (07) : play the whole songs in order and stop after it is played.
E. EQ definition: the default EQ is NORMAL(00).
NORMAL(00) POP(01) ROCK(02) JAZZ(03) CLASSIC(04)
F. Composition play definition: combination play is combined by filename. The file requirements are stored under the "XY" file. You can change the name of the file you want to combine to two bytes, which is generally recommended as a number. Such as: 01. Mp3, 02. Mp3.
5.3>. Communication command
|Play||AA 02 00 AC||None|
|Pause||AA 03 00 AD||None|
|Stop||AA 04 00 AE||None|
|Previous||AA 05 00 AF||None|
|Next||AA 06 00 B0||None|
|Volume +||AA 14 00 BE||None|
|Volume -||AA 15 00 BF||None|
|Previous file||AA 0E 00 B8||None|
|Next file||AA 0F 00 B9||None|
|Stop playing||AA 10 00 BA||None|
|Set Volume||AA 13 01 VOL SM||None||VOL:0x00-0xFF|
|Set Loop mode||AA 18 01 Loop-mode SM||None||Loop-mode:0x00-0x07|
|Set Cycle times||AA 19 02 H L SM||None||
|Set EQ||AA 1A 01 EQ SM||None||EQ:0x00-0x04|
|Specified Song||AA 07 02 S.N.H S.N.LSM||None||
|Specified Path||AA 08 Length Drive Path SM||None||
|Switch Specified Drive||AA 0B 01 Drive SM||None||Drive:0x00-0xFF|
|Specified song to be interplay||AA 16 03 Drive S.N.H S.N.L SM||None||
|Specified path to be interplay||AA 17 Length Drive Path SM||None||
|Select but no play||AA 1F 02 S.N.H S.N.L SM||None||
|Query play status||AA 01 00 AB||AA 01 01, play status, SM|
|Query current online drive||AA 09 00 B3||AA 09 01, drive, SM|
|Query current play drive||AA 0A 00 B4||AA 0A 01, drive, SM|
|Query Number of songs||AA 0C 00 B6||AA 0C 02S.N.H S.N.L SM|
|Query current song||AA 0D 00 B7||AA 0D 02 S.N.H S.N.L SM|
|Query folder directory song||AA 11 00 BB||AA 11 02 S.N.H S.N.L SM|
|Query folder Number of songs||AA 12 00 BC||AA 12 02 S.N.H S.N.L SM|
6>. One_line Single bus serial port mode
|00||No. 0||The number 0-9 has corresponding functions, such as selecting music, setting the volume, setting EQ, setting cycle mode, setting channel, setting the repertoire, and sending the digital at first and then send function command.|
|0A||Number reset||Sent the number of Cleared|
|0B||Confirm choosing song||Cooperate with Numbers to achieve.|
|0E||Loop mode setting|
|10||Interplay song setting|
|17||SD card selection|
|18||SD card selection|
|19||U disk selection|
Note: "selection" and "interplay" are played according to the track name, for example, the track is named "00123. Mp3", and the selected data is "0x01", "0x02" "0x03" "0x0B", and the selection is completed.
1>.1pcs XY-V17D UART Voice Controller;
Connected with the Mini Voice Board:
Tested by ICStation's Outstanding Partner adrirobot:
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