ISD5008EYI【PDF 12/54 页】IC VOICE REC/PLAY 4-8MIN 28-TSOP

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ISD5008

Publication Release Date: Oct 31 2008

- 2 -

Revision 1.2

Table of Contents

GENERAL DESCRIPTION .............................................................................................................. 3

FEATURES ...................................................................................................................................... 4

BLOCK DIAGRAM ........................................................................................................................... 5

PIN CONFIGURATION .................................................................................................................... 6

PIN DESCRIPTION.......................................................................................................................... 7

FUNCTIONAL DESCRIPTION....................................................................................................... 10

DETAILED DESCRIPTION .........................................................................................................................10

Speech/Sound Quality ....................................................................................................................10

Duration.........................................................................................................................................10

Flash Storage.................................................................................................................................10

Microcontroller Interface ..............................................................................................................10

Memory Architecture .....................................................................................................................11

Programming .................................................................................................................................11

ANALOG FUNCTIONAL PINS....................................................................................................................12

Mic+, Mic- .....................................................................................................................................12

ANA IN (Analog Input) ..................................................................................................................12

AUX IN (Auxillary Input)...............................................................................................................13

ACAP (AGC Capacitor).................................................................................................................14

INTERNAL FUNCTIONAL BLOCKS............................................................................................................15

SERIAL PERIPHERAL INTERFACE (SPI) DESCRIPTION..............................................................................19

Message Cuing...............................................................................................................................19

Opcodes .........................................................................................................................................20

Power-Up Sequence.......................................................................................................................21

SPI Port .........................................................................................................................................22

SPI Control Register ......................................................................................................................22

OPERATIONAL MODES DESCRIPTION ......................................................................................................29

Feed Through Mode ......................................................................................................................29

Call Record ....................................................................................................................................32

Memo Record.................................................................................................................................33

Memo and Call Playback...............................................................................................................34

TIMING DIAGRAMS....................................................................................................................... 36

ABSOLUTE MAXIMUM RATINGS

[1] ............................................................................................. 38

OPERATING CONDITIONS ........................................................................................................................39

ELECTRICAL CHARACTERISTICS.............................................................................................. 40

GENERAL PARAMETERS..........................................................................................................................40

TIMING PARAMETERS .............................................................................................................................41

ANALOG PARAMETERS ...........................................................................................................................42

SPI AC PARAMETERS

(1) .........................................................................................................................47

TYPICAL APPLICATION CIRCUIT ............................................................................................ 48

PACKAGE DRAWING AND DIMENSIONS ............................................................................... 49

28-LEAD LEAD 8X13.4MM PLASTIC THIN SMALL OUTLINE PACKAGE (TSOP) TYPE 1 ..........................49

28-LEAD 600 MIL PLASTIC DUAL INLINE PACKAGE (PDIP) ...................................................................50

28-LEAD 300 MIL PLASTIC SMALL OUTLINE IC (SOIC) ........................................................................51

ORDERING INFORMATION ...................................................................................................... 52

VERSION HISTORY .................................................................................................................. 53

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