CM6206 Datasheet, PDF(2/35 Page) C-Media Electronics – High Integrated USB Audio I/O Controller

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CM6206 Datasheet, PDF (2/35 Pages) C-Media Electronics – High Integrated USB Audio I/O Controller

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CM6206

High Integrated USB Audio I/O Controller

TABLE OF CONTENTS

1 Description and Overview ........................................................................................................... 4

2 Features........................................................................................................................................ 4

3 Pin Descriptions........................................................................................................................... 6

3.1 CM6206 LQFP 48Pin Table ............................................................................................ 6

3.2 CM6206 LQFP 48 PIN .................................................................................................... 7

4 Ordering Information................................................................................................................... 9

4.1 CM6206 (LQFP48).......................................................................................................... 9

5 Block Diagram........................................................................................................................... 10

6 Function Descriptions Block Diagram of CM6206................................................................... 10

6.1 Internal Register ............................................................................................................ 10

6.2 MCU Interface ............................................................................................................... 20

6.3 Serial EEPROM Content ............................................................................................... 22

6.4 Audio Interface Format In Codec Mode........................................................................ 23

6.5 Left Justified Mode........................................................................................................ 23

6.6 Power Management ....................................................................................................... 23

7 Volume Control.......................................................................................................................... 24

7.1 DAC Volume Control .................................................................................................... 24

7.2 ADC Volume Control .................................................................................................... 24

7.3 MIC / Line-in Monitor Volume Control ........................................................................ 25

8 Electrical Characteristics ........................................................................................................... 26

8.1 Maximum Ratings ..................................................................................................................... 26

8.2 Recommended Operating Conditions........................................................................................ 26

8.3 Power Consumption .................................................................................................................. 26

8.4 DC Characteristics (Digital) ...................................................................................................... 26

8.5 AC Characteristics (Digital) ...................................................................................................... 27

8.6 Analog Performance .................................................................................................................. 27

9 Audio Performance Curves ....................................................................................................... 28

9.1 10K loading (Line Out / Surround / Center LFE / Side Surround) Frequency Response

9.2 10K loading (Line Out / Surround / Center LFE / Side Surround) Passband Ripple.... 29

9.3 10K loading (Line Out / Surround / Center LFE / Side Surround) THD+N Curve ...... 30

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