alc658 Realtek Semiconductor Corporation, alc658 Datasheet - Page 6

• Manufacturer Part Number: alc658
• Description: Six-channel Ac?97 2.3 Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

2.
Six-Channel AC’97 2.3 Audio Codec
-14.318MHz to 24.576MHz PLL to save crystal
-12.288MHz BITCLK input can be consumed
-Integrated PCBEEP generator to save buzzer
-Interrupt capability
-Page and Analog Plug & Play Registers
Meets performance requirements for audio on
PC99/2001 systems
Meets Microsoft WHQL/WLP 2.0 audio
requirements
Six Channels DA Converters with variable rate
Two pairs of stereo AD Converters with variable
Compliant with AC’97 2.3 specifications
Three analog line-level stereo inputs with 5-bit
volume control: LINE_IN, CD, AUX
High quality differential CD input
Two analog line-level mono input: PCBEEP,
PHONE-IN
Two software selectable MIC inputs
A dedicated Front-MIC input for front panel
applications (software selectable)
Dedicated Back-Front-Out pin.
+6/12/20/30dB boost preamplifier for MIC input
LINE Input shared with surround out, MIC input
shared with Center and LFE out (FlexJack®)
6-Bit volume control for Front-Out, Surround-Out
and CEN/LFE-Out
-Front-Out, Surround-Out, Cen/Lfe-Out, MIC-
In and LINE-In Jack Sensing
rate
Feature
2
Both Front-out and AUX have integrated
50mW/20Ω amplifiers
External Amplifier Power Down (EAPD)
Power management and enhanced power saving
features
Stereo MIC record for AEC/BF application
Supports Power Off CD function
Adjustable VREFOUT control
Supports double sampling rate (96KHz) of DVD
audio playback
Support 32K/44.1K/48K/96KHz of S/PDIF output
Support 32K/44.1K/48KHz of S/PDIF input
2 Universal Audio Jacks (UAJ)® for front panel
5 Jack Detect pins for automatic Jack sensing
Power support: Digital: 3.3V; Analog: 3.3V/5V
Standard 48-Pin LQFP Package
EAX™ 1.0&2.0 compatible
Direct Sound 3D™ compatible
A3D™ compatible
I3DL2 compatible
HRTF 3D Positional Audio
Sensaura™ 3D Enhancement (optional)
10 Bands of Software Equalizer
Voice Cancellation and Key Shifting in Karaoke
mode
AVRack® Media Player
Configuration Panel to improve Experience of
User
Datasheet
ALC658
Rev. 1.3