Functional Programmable Mini MP3 Sound Decoder Chip with DAC Output
WT2003S-20SS sound chip is a MP3 decoder chip with powerful function, can have function customization development. It has one SPI interface, one micro SD card interface, one USB interface, one infrared remote control decoding interface, one full-duplex UART interface.
Support MP3 audio file, sample rate 8~48KHz, bit rate 8~320Kbps.
SPI-FLASH, SD card or U disk as storage; change audio files freely; maximally support 32G SD card and 32G U disk.
SPI FLASH can store 2047 audios;
Available to freely change the audio of SD card through USB interface (XP system, WIN7 system, WIN8 system).
Can copy audio files to SPI-FLASH via SD card or U disk, offline audio file replacement.
Simultaneously support key control and UART serial communication, universal standard interface protocol, more flexible to control.
Support inter-cut play between different memories.
SPI-FLASH is reserved 512 bytes for you to freely store data.
With one test key(the function of playing the next audio).
Only DAC output, left and right channel. Wave height is 2.8V at most.
DC 5V power supply.
Support sampling rate 8~48KHz, bit rate8~320Kbps MP3 audio file
Support 4Mbit~128Mbit SPI-FLASH
Maximally support 32GB SD card
Maximally support 32GB U disk
Support file system:FAT16,FAT32(not support NSDS)
Full speed 2.0
20~250mA(related to load)
IO port electric level
3.3V TTLelectric level
Vehicle navigation voice broadcast
Transportion inspection, toll station voice prompt;
Railway station, bus station security check voice prompt;
Electric power, communication, financial business hall voice prompt;
Vehicle access way verification voice prompt;
Public security frontier inspection channel voice prompt;
Multi-channel voice alarm or voice guidance of equipment operating;
Electric sightseeing car safety driving voice warning;
Mechanical and electrical equipment fault automatic alarm;
After puling down, voice chip will release SPI-FLASH
CS port of SPI-Flash
CLK port of SPI-Flash
DATA port of SPI-Flash
DATA port of SD card
CLK port of SD card
CMD port of SD card
DM data port of USB
DP data port of USB
Q1. How long can I get the feedback after we sent the enquiry?
A: We will reply you within 12 hours in working day.
Q2. What is your terms of payment? A: T/T, Paypal, Western union.
Q3. What is your terms of delivery? A: EXW, FOB, CFR, CIF.
Q4. How about your delivery time? A: Generally, it will take 2~25 working days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples? A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy? A: We can supply the sample if we have ready parts in stock, but customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery? A: Yes, we have 100% test before delivery.
Q8. What is your terms of packing? A: Generally, we pack our goods in white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters. We'll show you the photos of the products and packages.
Q9: How do you make our business long-term and good relationship? A:1. We keep good quality and competitive price to ensure our customers benefit; 2. We respect every customer and we sincerely do business no matter where they come from.
Shenzhen Waytronic Electronics Co., Ltd founded in 1999, is a high-tech company specialized invoice electronic products, focus on voice technology research, intelligent terminal applications, intelligent speech technology research, human-computer interactive application and design.
Our company has a professional R&D and production team with researching and self-developing capability. We uphold the concept of "Positive innovation, Pioneering courage, Customer satisfaction, Team cooperation", and strive to build a well-known brand in voiceindustry.