1. product description

DY-SV17F is an intelligent voice module independently developed by our company. It integrates IO segment trigger, UART serial port control, ONE_line single-bus serial port control, standard MP3 and other 7 working modes; onboard 5W class D power amplifier, can directly drive 4�� , 3~5W speakers; support MP3, WAV decoding format, onboard 32Mbit (4MByte) flash to store audio files, and update audio files through a USB data cable connected to a computer.

2. Product Features

1. Support MP3, WAV decoding format.

2. Support sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48.

3. 24-bit DAC output, dynamic range support 90dB, signal-to-noise ratio support 85dB.

4. On-board 32Mbit (4MByte) flash storage, which can be connected to a computer via a USB cable to update audio files. .

5. Comes with 5W Class D power amplifier, which can directly drive 4��, 3~5W speakers.

6. The UART serial port controls the voice broadcast function, which can control the functions of playback, pause, song selection, volume addition and subtraction, and the maximum selection of 65535 songs, the baud rate is 9600 bps.

7. Supports IO trigger playback function, 8 IO ports individually trigger 8 tracks or 8 IO ports combined to trigger 255 tracks.

8. Support One_line single bus serial port control, which can control functions such as play, pause, song selection, volume increase and decrease.

9. Support 3 configuration IO for up to 7 working mode selection

3. Module interface and function definition