DY-HV8F/DY-HV20T is a smart voice playback module developed independently by our company,Integrated IO trigger, UART protocol control, One_line single-bus protocol control, standard MP3 and other 7 operating modes setting by DIP switch; Drive 4~8Ω, 10W~20W speaker by a 20W class D audio amplifier on board;Support MP3.WAV decoding; 64Mbits(8M bytes)flash storage on board, downloading music files directly by micro USB connector.
1.Support MP3.WAV decoding.
2.Support sampling rate (KHz):8/11.025/12/16/22.05/24/32/44.1/48.
3.24bit DAC output,support dynamic range 90dB,SNR 85dB.
4.Wide supply voltage DC:6~35V.
5.64Mbits(8M bytes)flash storage on board, downloading music files directly by micro USB connector.
6.Output maximum 20W driving 4Ω speaker, output maximum 10W driving 8Ω speaker.
7.Play 65535 pieces of music by UART control protocol; Play, Pause, Selecting music, VOL+/- and so on can be controlled,the communication baud rate is 9600bps.
8.Play 255 pieces of music by IO triggering.
9.Play music by One_line control protocol,Play, Pause, Selecting music, VOL+/- and so on can be controlled.
10.Switch 7 work modes using DIP switch easily.
11.ESD protection designed for 8 IOs.
Definition of pins:
||6~35VDC power supply
||IO0 in IO triggering mode;TX in UART control mode,connect to RX of MCU
||IO1 in IO triggering mode; RX in UART control mode,connect to TX of MCU
||IO2 in IO triggering mode
||IO3 in IO triggering mode
||IO4 in IO triggering mode;RX in One_line mode
||IO5 in IO triggering mode
||IO6 in IO triggering mode
||IO7 in IO triggering mode
||Output low level while playing music(0V),output high level when end playing(3.3V)
||4Ω/20W or 8Ω/10W speaker is recommended