ALC5611

Datasheet

AC’97 Audio Codec + Touch Panel Controller

iii

Track ID: JATR-1076-21

Rev. 1.1

Table of Contents

1.

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

2.

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

3.

SYSTEM APPLICATIONS ...............................................................................................................................................3

4.

FUNCTION BLOCK DIAGRAM.....................................................................................................................................3

4.1.

FUNCTION BLOCK ........................................................................................................................................................3

4.2.

AUDIO MIXER PATH .....................................................................................................................................................4

5.

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

5.1.

GREEN PACKAGE AND VERSION IDENTIFICATION.........................................................................................................5

6.

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

6.1.

AC’97 DIGITAL I/O PINS..............................................................................................................................................6

6.2.

ANALOG I/O PINS ........................................................................................................................................................6

6.3.

FILTER/REFERENCE......................................................................................................................................................7

6.4.

POWER/GROUND..........................................................................................................................................................7

7.

FUNCTIONAL DESCRIPTION .......................................................................................................................................8

7.1.

POWER .........................................................................................................................................................................8

7.2.

RESET ..........................................................................................................................................................................8

7.2.1.

Power-On Reset (POR) ..........................................................................................................................................8

7.3.

CLOCKING....................................................................................................................................................................9

7.3.1.

Phase-Locked Loop ................................................................................................................................................9

7.3.2.

AC’97 Mode ...........................................................................................................................................................9

7.4.

DIGITAL DATA INTERFACE..........................................................................................................................................10

7.4.1.

AC-Link ................................................................................................................................................................10

7.5.

AUDIO DATA PATH......................................................................................................................................................12

7.5.1.

Stereo ADC ...........................................................................................................................................................12

7.5.2.

Stereo DAC ...........................................................................................................................................................12

7.5.3.

Mixers...................................................................................................................................................................12

7.5.4.

Analog Audio Input Path ......................................................................................................................................14

7.5.5.

Analog Audio Output Data Path...........................................................................................................................15

7.6.

TOUCH PANEL CONTROL ............................................................................................................................................17

7.7.

AVC CONTROL ..........................................................................................................................................................18

7.8.

HARDWARE SOUND EFFECTS .....................................................................................................................................19

7.8.1.

Equalizer Block ....................................................................................................................................................19

7.8.2.

Pseudo Stereo and Spatial 3D Sound ...................................................................................................................19

7.9.

ODD-ADDRESSED REGISTER ACCESS.........................................................................................................................19

7.10.

POWER MANAGEMENT...............................................................................................................................................20

7.10.1.

Sleep Mode ......................................................................................................................................................20

7.11.

GPIO AND INTERRUPT ...............................................................................................................................................21

8.

MIXER REGISTERS LIST.............................................................................................................................................22

8.1.

REG-00H: RESET ........................................................................................................................................................22

8.2.

REG-02H: SPEAKER OUTPUT VOLUME .......................................................................................................................22

8.3.

REG-04H: HEADPHONE OUTPUT VOLUME..................................................................................................................23

8.4.

REG-08H: PHONE INPUT/MONO OUTPUT VOLUME...................................................................................................23

8.5.

REG-0AH: LINE_IN VOLUME ...................................................................................................................................24

8.6.

REG-0CH: STEREO DAC VOLUME...........................................................................................................................24