(PDF) ISD1720 Datasheet - Multi-Message Single-Chip Voice Record & Playback Device

Número de pieza	ISD1720
Descripción	Multi-Message Single-Chip Voice Record & Playback Device
Fabricantes	Winbond
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No Preview Available ! www.DataSheet4U.com PRELIMINARY ISD1720 Multi-Message Single-Chip Voice Record & Playback Device Publication Release Date: April 4, 2007 Revision 0 1 page 3 BLOCK DIAGRAM www.DataSheet4U.com ISD1720 ROSC AnaIn MIC+ MIC- AGC Internal Clock Timing Sampling Clock AnaIn Amp AGC Amp Anti- Aliasing Filter Automatic Gain Control Nonvolatile Multi-Level Storage Array Smoothing Filter Power Conditioning Device Control Amp Volume Control Amp SPI Interface AUD / AUX SP+ SP- VCCA VSSA VCCP VSSP1 VSSP2 VSSD VCCD REC PLAY ERASE FWD FT RESET VOL INT/RDY LED SS SCLK MOSI MISO Publication Release Date: April 4, 2007 - 5 - Revision 0 5 Page www.DataSheet4U.com ISD1720 Tr Tf RESET TReset RDY TSet2 LED Device returns to Power Down state Figure 12.6: Reset Operation PLAY Tr > TDeb RDY TDeb TSc1 TSc2 TRU TLH LED TRU AUD Tf TCyc TRD TRD Figure 12.7: Playback Operation with ramp up and ramp down effect at AUD output - 11 - Publication Release Date: April 4, 2007 Revision 0 11 Page

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PDF ISD1720 Data sheet ( Hoja de datos )