ALC5640 View Datasheet(PDF) - Realtek Semiconductor

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ALC5640

Multi-Channel Audio Hub/CODEC and SounzReal Digital Sound Effect for Mobile Devices

Realtek Semiconductor 

ALC5640-VB

Datasheet

Table of Contents

1. GENERAL DESCRIPTION ..............................................................................................................................................1

2. FEATURES .........................................................................................................................................................................2

3. SYSTEM APPLICATION .................................................................................................................................................3

4. FUNCTION BLOCK AND MIXER PATH .....................................................................................................................4

4.1. FUNCTION BLOCK ........................................................................................................................................................4

4.2. AUDIO MIXER PATH.....................................................................................................................................................5

4.3. DIGITAL MIXER PATH..................................................................................................................................................6

5. PIN ASSIGNMENTS .........................................................................................................................................................7

6. PIN DESCRIPTIONS.........................................................................................................................................................8

6.1. DIGITAL I/O PINS .........................................................................................................................................................8

6.2. ANALOG I/O PINS ........................................................................................................................................................9

6.3. FILTER/REFERENCE....................................................................................................................................................10

6.4. POWER/GROUND........................................................................................................................................................10

7. FUNCTION DESCRIPTION ..........................................................................................................................................11

7.1. POWER .......................................................................................................................................................................11

7.2. POWER SUPPLY ON/OFF SEQUENCE...........................................................................................................................12

7.3. RESET ........................................................................................................................................................................15

7.3.1. Power-On Reset (POR) ........................................................................................................................................15

7.3.2. Software Reset ......................................................................................................................................................15

7.4. CLOCKING..................................................................................................................................................................16

7.4.1. Phase-Locked Loop ..............................................................................................................................................17

7.4.2. I2C and Two I2S/PCM Interface ...........................................................................................................................18

7.5. DIGITAL DATA INTERFACE ........................................................................................................................................22

7.5.1. Two I2S/PCM Interface.........................................................................................................................................22

7.6. AUDIO DATA PATH ....................................................................................................................................................25

7.6.1. 2 Analog ADCs with 4-Channel Record Path ......................................................................................................25

7.6.2. 4 DACs with 4-Channel Playback Path................................................................................................................26

7.6.3. Mixers...................................................................................................................................................................27

7.7. ANALOG AUDIO INPUT PORT .....................................................................................................................................28

7.8. ANALOG AUDIO OUTPUT PORT..................................................................................................................................29

7.9. MULTI-FUNCTION PINS ..............................................................................................................................................31

7.10. DRC AND AGC FUNCTION ........................................................................................................................................33

7.11. SPEAKER AMPLIFIER RATIO GAIN..............................................................................................................................36

7.12. SOUNZREAL SOUND EFFECT......................................................................................................................................37

7.13. EQUALIZER BLOCK ....................................................................................................................................................37

7.14. WIND FILTER WITH DYNAMIC WIND NOISE DETECTOR.............................................................................................37

7.14.1. Wind Filter.......................................................................................................................................................37

7.14.2. Dynamic Wind Noise Detector ........................................................................................................................40

7.15. I2C CONTROL INTERFACE ..........................................................................................................................................41

7.15.1. Address Setting ................................................................................................................................................41

7.15.2. Complete Data Transfer ..................................................................................................................................41

7.16. GPIO, INTERRUPT AND JACK DETECTION ..................................................................................................................43

7.17. POWER MANAGEMENT...............................................................................................................................................46

7.18. SMART NOISE CANCELLATION FUNCTION (SNC) ......................................................................................................47

Multi-Channel Audio Hub/CODEC and SounzRealTM

iv

Digital Sound Effect for Mobile Devices

Rev. 0.91

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