CS44600 datasheet(3/78 Pages) CIRRUS

3 / 78 page

DS633PP1

CS44600

TABLE OF CONTENTS

1. CHARACTERISTICS AND SPECIFICATIONS ........................................................................ 8

SPECIFIED OPERATING CONDITIONS ...................................................................................... 8

ABSOLUTE MAXIMUM RATINGS ................................................................................................. 8

DC ELECTRICAL CHARACTERISTICS ........................................................................................ 9

DIGITAL INTERFACE CHARACTERISTICS ................................................................................. 9

PWM OUTPUT PERFORMANCE CHARACTERISTICS ............................................................. 10

PWM FILTER CHARACTERISTICS ............................................................................................ 11

SWITCHING CHARACTERISTICS - XTI ..................................................................................... 11

SWITCHING CHARACTERISTICS - SYS_CLK .......................................................................... 12

SWITCHING CHARACTERISTICS - PWMOUTA1-B3 ................................................................ 12

SWITCHING CHARACTERISTICS - PS_SYNC .......................................................................... 12

SWITCHING CHARACTERISTICS - DAI INTERFACE ............................................................... 13

SWITCHING CHARACTERISTICS - CONTROL PORT - I²C FORMAT ...................................... 14

SWITCHING CHARACTERISTICS - CONTROL PORT - SPI FORMAT ..................................... 15

2. PIN DESCRIPTIONS .............................................................................................................. 16

2.1 I/O Pin Characteristics ..................................................................................................... 19

3. TYPICAL CONNECTION DIAGRAMS ................................................................................... 20

4. APPLICATIONS ..................................................................................................................... 22

4.1 Overview .......................................................................................................................... 22

4.2 Feature Set Summary ..................................................................................................... 22

4.3 Clock Generation ............................................................................................................. 23

4.3.1 FsIn Domain Clocking ......................................................................................... 24

4.3.2 FsOut Domain Clocking ...................................................................................... 24

4.4 FsIn Clock Domain Modules ............................................................................................ 26

4.4.1 Digital Audio Input Port ....................................................................................... 26

4.4.2 Auto Rate Detect ................................................................................................. 30

4.4.3 De-Emphasis ...................................................................................................... 30

4.5 FsOut Clock Domain Modules ......................................................................................... 31

4.5.1 Sample Rate Converter ...................................................................................... 31

4.5.2 Load Compensation Filter ................................................................................... 31

4.5.3 Digital Volume and Mute Control ........................................................................ 31

4.5.4 Peak Detect / Limiter ........................................................................................... 32

4.5.5 PWM Engines ..................................................................................................... 32

4.5.6 Interpolation Filter ............................................................................................... 33

4.5.7 Quantizer ............................................................................................................ 33

4.5.8 Modulator ............................................................................................................ 33

4.5.9 PWM Outputs ...................................................................................................... 33

4.5.10 Power Supply Rejection (PSR) Real-Time Feedback ....................................... 34

4.6 Control Port Description and Timing ................................................................................ 35

4.6.1 SPI Mode ............................................................................................................ 35

4.6.2 I²C Mode ............................................................................................................. 36

4.6.3 GPIOs ................................................................................................................. 37

4.6.4 Host Interrupt ...................................................................................................... 37

5. POWER SUPPLY, GROUNDING, AND PCB LAYOUT ......................................................... 38

5.1 Reset and Power-Up ....................................................................................................... 41

5.1.1 PWM PopGuard® Transient Control ................................................................... 41

5.1.2 Recommended Power-Up Sequence ................................................................. 41

5.1.3 Recommended PSR Calibration Sequence ....................................................... 42

5.1.4 Recommended Power-Down Sequence ............................................................. 43

6. REGISTER QUICK REFERENCE .......................................................................................... 44

7. REGISTER DESCRIPTION .................................................................................................... 48

7.1 Memory Address Pointer (MAP) ...................................................................................... 48

CS44600 数据表(PDF) 3 Page - Cirrus Logic

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