WTV020-SD module is a reusable mass storage voice module ,can plug a most capability of 1GB SD card memory and will load the WAV and AD4 audio .The voice module uses WTV020SD-20S because the core chip , with MP3 regulate mode, one to at least one key regulate mode, power on loop regulate mode and the 2-line serial regulate mode.
Features :
1、Fortify plug-largest-capability of 1G SD card;
2、Routinely establish audio files;
3、Can load WAV audio at 6KHz ~ 16KHz sample rate;
four、Can store as much as 512 Segment voice;
five、Fortify for micro-processor and key regulate;
6、With power-down save operation information serve as;
7、Fortify aggregate of documents playback, together with the mute aggregate;
8、Quiescent Current: 16uA (don’t insert SD card)
nine、Fortify play 4 Bit ADPCM format file;
10、Can load AD4 audio at 6KHz ~ 32KHz and 36KHz sampling rate ;
eleven、16bitDAC and PWM audio output;
12、With WTV020-SD-20S, WTV020-SD-16P two module varieties;
thirteen、Can play any paragraph of the voice;
14、May also be loaded voice with out software, simply want to place voice into the SD card right away;
15、Operating voltage: DC2.5 ~ 3.6V;
Fortify plug-largest-capability of 1G SD card
Routinely establish audio files
Can load WAV audio at 6KHz ~ 16KHz sample rate
Operating voltage: DC2.5 ~ 3.6V
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