Description: Supports FAT file system SD carrier Supports playing of 4Bit ADCPM format files Recognize the voice files automatically Support micro-processor and key control Could be called any paragraph voice playing Saving operation data when power off Loading voice to the SD card without assistance of software Support combination playing of file (including mute combination) Memory contents classified by file
Specification: Capacity: 32M to1G capacity of the SD card Loadable sampling rate : 6KHz to 32KHz, 36KHz sampling rate of AD4 audio 6KHz to 16KHz sampling rate of WAV audio Audio output: 16bitDAC and PWM Maximum voice storage: 512 voice 2 module types : WTV020-SD-20S and WTV020-SD-16P Operating voltage: DC 2.6 to 3.6V Quiescent current: 16 uA (SD card is not inserted)
