说明：  支持MP3、WAV解码格式。 2、支持采样率(KHz):8/11.025/12/16/22.05/24/32/44.1/48。 3、24位DAC输出，动态范围支持90dB，信噪比支持85dB。 4、完全支持FAT16/FAT32文件系统，最大支持32G的TF卡，支持32G的U盘。 5、支持UART串口控制语音播报功能，可控制播放，暂停，选曲，音量加减等功能，最大选曲65535首曲目，波特率9600 bit/s。 6、支持IO触发功能，8个IO口单独触发8首曲目或8个IO口组合触发255首曲目。 7、支持One_line单总线串口控制，可控制播放，暂停，选曲，音量加减等功能。 8、支持3个配置IO进行模式选择。
(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, fully supports the FAT16/FAT32 file system, maximum support 32G TF card, U disk support 32G. 5, support UART serial port control voice broadcast function, can control play, pause, music selection, volume addition and other functions, the maximum selection of 65535 pieces of music, the baud rate of 9600 bit/s. 6, support IO trigger function, 8 IO ports trigger 8 tracks individually or 8 IO ports combination triggers 255 tracks. 7, support the control of One_line single bus serial control play, pause, selections, volume addition and subtraction function. 8, support the 3 configuration IO for pattern selection.)