CSR8670 datasheet(3/27 Pages) BUDDIES

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BTM8670 DATASHEET

CONTENT

INTRODUCTION................................................................................................................................. 4

1.1

BLOCK DIAGRAM................................................................................................................................. 4

1.2

FEATURES ............................................................................................................................................ 5

1.3

APPLICATIONS ..................................................................................................................................... 6

GENERAL SPECIFICATION ............................................................................................................ 7

PHYSICAL CHARACTERISTIC....................................................................................................... 8

3.1

Pin Description................................................................................................................................... 10

PHYSICAL INTERFACE…………………………………………………………………………..14

4.1

POWER SUPPLY ................................................................................................................................... .14

4.2

AUDIO INTERFACES.............................................................................................................................14

4.2.1

Audio Codec Interface ............................................................................................................... 15

4.2.2

ADC ...........................................................................................................................................16

4.2.3

ADC Sample Rate Selection................................................................ ..................................... 16

4.2.4

ADC Digital Gain....................................................................................................................... 16

4.2.5

DAC ........................................................................................................................................... 17

4.2.6

DAC Sample Rate Selection .................................................................................................... 16

4.2.7

DAC Digital Gain....................................................................................................................... 16

4.2.8

DAC Analog Gain ..................................................................................................................... 18

4.2.9

IEC 60958 Interface....................................................................................................................18

4.2.10

Microphone Input ...................................................................................................................... ..18

4.2.11

Digital Microphone Inputs…………………………………………...………………………..18

4.2.12

Line input.................................................................................................................................... 18

4.2.13

Audio Output Stage……………………………………………………………………………19

4.3

PCM Interface.................................................................................................................................... 19

4.4

Digital Audio Interface(I2S)…………………………………………………………………………20

4.5

RF INTERFACE .................................................................................................................................... 20

4.6

GENERAL PURPOSE ANALOG IO ......................................................................................................... 20

4.7

GENERAL PURPOSE DIGITAL IO.......................................................................................................... 20

4.8

SERIAL INTERFACES............................................................................................................................ 20

4.8.1

UART ......................................................................................................................................... 20

4.8.2

I2C……………………………………………………………………………...……………...21

4.8.3

SPI .............................................................................................................................................. 21

ELECTRICAL CHARACTERISTIC ................................................................................................22

5.1

ABSOLUTE MAXIMUM RATING ........................................................................................................... 22

5.2

RECOMMENDED OPERATING CONDITIONS .......................................................................................... 23

5.3

INPUT/OUTPUT TERMINAL CHARACTERISTICS .................................................................................... 23

5.3.1

Internal CODEC - Analogue to Digital Converter .....................................................................24

5.3.2

Internal CODEC - Digital to Analogue Converter .....................................................................25

RECOMMENDED TEMPERATURE REFLOW PROFILE......................................................... 26

PACKAGING INFORMATION ....................................................................................................... 27

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