USB interface: 2.0 standard
UART interface: standard serial port, TIL level
Input voltage: DC 3.3-5.2 V, recommended 5 V power supply
Rated current: Sleep current: 500 uA; Working current: 10 MA
Size: 20.32*15. 5 mm
Working temperature: -40 degrees to 85 degrees
Working humidity: 5%~95%
MP3 file format
Support all bit rates 11172-3 and IS013813-3 lay. Support audio decoding
Sampling rate support rate (KHZ): 8/ll. 025/12/16/22. 05/24/32/44.1/48
Support Normal, Jazz, Classic, Pop, Rock and other sound effects
Features of JQ8900-16P MP3 Voice Broadcast Module:
Support MP3, WAV hardware decoding
Support FAT file system
Support sampling (K H z): 8 / 11.025 / 12/16 / 22.05 / 24/32 / 44.1 / 48
The 24-bit DAC output internally uses DSP hardware decoding, non-PWM output, dynamic range support 90dB, signal ratio 85d B
Multiple control modes, two-wire serial mode, one-wire serial control, button mode
Support U disk, TF card, SPIFLASH
Support USB sound card, card reader, HI D control
Support SPIFLASH to be simulated as a USB flash drive, and directly update the voice in SPIFLASH just like operating a USB flash drive
Support the control of common functions such as previous song, next song, play, pause, stop, song selection, etc.
Support system deep sleep, after sleep, the current is as low as 600 micro amps, and it can be awakened by a string and command IO
Support external input audio and MP3 audio mixing, external input, MP3 output, external input and MP3 mixing three output switching
Application of JQ8900-16P MP3 Voice Broadcast Module：
Car navigation voice broadcast
Highway transportation inspection, toll station voice prompt
Voice prompts for safety inspections at railway stations and bus stations
Voice prompts in power, communications, and financial business halls
Voice prompts for vehicle entry and exit channel verification
Voice prompt of public security frontier inspection channel
Multi-channel voice correction or device operation guidance voice
Voice announcements for safe driving of electric sightseeing vehicles
Automatic alarm for mechanical and electrical equipment failure
Fire alarm prompts
Automatic broadcast equipment, broadcast regularly
Treadmill voice navigation