ISD5008 데이터 시트보기 (PDF) - Unspecified

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ISD5008

SINGLE-CHIP, VOICE RECORD / PLAYBACK DEVICE 4-, 5-, 6- AND 8-SECOND DURATION

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Table of Contents

1 DETAILED DESCRIPTION ................................................. .................... 1

1.1 Speech/Sound Quality ...................................... .................... 1

1.2 Duration ............................................................ .................... 1

1.3 Flash Storage .................................................... .................... 1

1.4 Microcontroller Interface ....................................................... 1

1.5 Programming .................................................... .................... 1

2 PIN DESCRIPTIONS ........................................................ .................... 2

2.1 Digital I/O Pins ................................................... .................... 2

2.2 Analog I/O Pins .................................................. .................... 3

2.3 Power and Ground Pins .................................... .................... 6

3 INTERNAL FUNCTIONAL BLOCKS .................................... .................... 7

4 SERIAL PERIPHERAL INTERFACE (SPI) DESCRIPTION .......... .................... 13

4.1 Message Cueing .............................................. .................... 13

4.2 Power-Up Sequence ......................................... .................... 14

4.3 SPI Port .............................................................. .................... 15

4.4 SPI Control Register ........................................... .................... 15

5 OPERATIONAL MODES DESCRIPTION ............................. .................... 21

5.1 Feed Through Mode ......................................... .................... 21

5.2 Call Record ...................................................... .................... 23

5.3 Memo Record .................................................. .................... 24

5.4 Memo and Call Record Playback .................... .................... 24

6 TIMING DIAGRAMS ....................................................... .................... 34

7 DEVICE PHYSICAL DIMENSIONS ..................................... .................... 36

8 ORDERING INFORMATION ........................................... .................... 42

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