MS220

Description: 
    
    ■ Use 14Bit Record Technology
    ■ Build in high quality voice compress and decompress
    ■ support voice mixing and voice change effects.
    ■ Build-in 0.6Watt high efficiency Class D 
    ■ Long Distance Recording with lossless sound quality.
    ■ With 256Kb to 1M SPI Flash 
    ■ adjust recording length from  8s to 30s  easily. 

Specification: 
    
    ■ Operating Voltage:2.6~4.5V
    ■ 14Bit high Quality Audio ADC input,14Bit DAC output
    ■ Build-in Voice Detection Circuit, auto Recording and Playback
    ■ Sensitivity of Voice Detection has 3 levels. Select by Flash option
    ■ Long Distance Recording.
    ■ Voice Changer : support Child / Robotic pitch by external option.    ■ Class D Amplifier, direct drive 8~32Ω speaker
    ■ maximum output 4.5V / 0.6 W/ 8 ohm.
    ■ Support Pre-load speech 
    ■ Support in circuit programming by external programmer.


Function: 
    ■ Repeat Playing : 
        ■ Can repeat playing 2~4 times before next voice detection.        
    ■ ON/OFF key : 
        ■ Press Once to sleeping or wake up from Sleeping mode.
    ■ Pre-Load Voice on SPI Flash. 
    ■ Pre-load Voice can play before / after recorded voice. 
    ■ Sleeping Mode : 
        ■ Enter Sleeping mode after no sound detected 
        ■ Time out of Sleeping Timer or Press ON/OFF key. 
        ■ 15s, 30s, 60s Time out or no sleeping by flash option.
    ■ LED indicator: 
        ■ LEDBZ: 
            ■ Flash 3Hz during playing
            ■ light off when recording
            ■ Light on during sound detection.
        ■ LEDP: 
            ■ Light on when playing, 
            ■ off when recording or sound detection
    ■ 2 Type Voice Changer, Select by External : 
        ■ Childish Voice Change
        ■ Robotic Voice Change