ALC5642-VF
Datasheet
Table of Contents
1.
2.
3.
4.
GENERAL DESCRIPTION..............................................................................................................................................1
FEATURES.........................................................................................................................................................................2
SYSTEM APPLICATION.................................................................................................................................................3
FUNCTION BLOCK AND MIXER PATH .....................................................................................................................4
4.1.
4.2.
4.3.
FUNCTION BLOCK........................................................................................................................................................4
AUDIO MIXER PATH.....................................................................................................................................................5
DIGITAL MIXER PATH..................................................................................................................................................6
5.
6.
PIN ASSIGNMENTS .........................................................................................................................................................7
PIN DESCRIPTIONS.........................................................................................................................................................8
6.1.
DIGITAL I/O PINS.........................................................................................................................................................8
ANALOG I/O PINS ........................................................................................................................................................9
FILTER/REFERENCE....................................................................................................................................................10
POWER/GROUND........................................................................................................................................................10
6.2.
6.3.
6.4.
7.
FUNCTION DESCRIPTION ..........................................................................................................................................11
7.1.
7.2.
7.3.
POWER .......................................................................................................................................................................11
POWER SUPPLY ON/OFF SEQUENCE...........................................................................................................................12
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.
7.8.
7.9.
7.10.
7.11.
7.12.
7.13.
7.14.
7.15.
ANALOG AUDIO INPUT PORT .....................................................................................................................................28
ANALOG AUDIO OUTPUT PORT..................................................................................................................................29
MULTI-FUNCTION PINS..............................................................................................................................................31
DRC AND AGC FUNCTION ........................................................................................................................................33
SPEAKER AMPLIFIER RATIO GAIN..............................................................................................................................36
SOUNZREAL SOUND EFFECT......................................................................................................................................37
EQUALIZER BLOCK ....................................................................................................................................................37
DYNAMIC WIND NOISE REDUCTION FILTER ..............................................................................................................37
I2C CONTROL INTERFACE ..........................................................................................................................................40
7.15.1.
7.15.2.
7.16.
7.17.
7.18.
7.19.
Address Setting ................................................................................................................................................40
Complete Data Transfer ..................................................................................................................................40
GPIO, INTERRUPT AND JACK DETECTION..................................................................................................................42
POWER MANAGEMENT...............................................................................................................................................45
PROGRAMMABLE REGISTER ARRAY ..........................................................................................................................46
VOICE DSP FUNCTION...............................................................................................................................................47
8.
REGISTERS LIST ...........................................................................................................................................................49
Multi-Channel Audio Hub/CODEC with embedded Voice
DSP and SounzRealTM Digital Sound Effect
iv
Rev. 0.93
REALTEK [ Realtek Semiconductor Corp. ]
