alc250-lf Realtek Semiconductor Corporation, alc250-lf Datasheet - Page 3

• Manufacturer Part Number: alc250-lf
• Description: Two-channel Ac?97 2.3 Audio Codec With Equalizer
• Manufacturer: Realtek Semiconductor Corporation

1. GENERAL DESCRIPTION.................................................................................................................. 1
2. FEATURES............................................................................................................................................. 1
3. BLOCK DIAGRAM............................................................................................................................... 1
4. PIN ASSIGNMENTS ............................................................................................................................. 3
5. PIN DESCRIPTIONS ............................................................................................................................ 4
6. REGISTERS ........................................................................................................................................... 6
Two-Channel AC’97 2.3 Audio Codec
3.1 A
3.2 D
4.1 L
5.1 D
5.2 A
5.3 F
5.4 P
6.1 M
6.2 V
6.3 D
6.1.2 MX02 Master Volume.................................................................................................................. 7
6.1.3 MX04 Headphone ......................................................................................................................... 7
6.1.4 MX06 MONO_OUT Volume ....................................................................................................... 8
6.1.5 MX0A PC BEEP Volume............................................................................................................. 8
6.1.6 MX0C PHONE Volume ............................................................................................................... 8
6.1.7 MX0E MIC Volume ..................................................................................................................... 9
6.1.8 MX10 LINE_IN Volume .............................................................................................................. 9
6.1.9 MX12 CD Volume........................................................................................................................ 9
6.1.10 MX16 AUX Volume ................................................................................................................. 10
6.1.11 MX18 PCM_OUT Volume....................................................................................................... 10
6.1.12 MX1A Record Select................................................................................................................ 11
6.1.13 MX1C Record Gain for Stereo ADC ....................................................................................... 11
6.1.14 MX1E Record Gain for MIC ADC .......................................................................................... 12
6.1.15 MX20 General Purpose Register............................................................................................. 12
6.1.16 MX22 3D Control .................................................................................................................... 12
6.1.17 MX24 Audio interrupt and Paging .......................................................................................... 13
6.1.18 MX26 Powerdown Control/Status........................................................................................... 14
6.1.19 MX28 Extended Audio ID........................................................................................................ 15
6.1.20 MX2A Extended Audio Status and Control ............................................................................... 15
6.1.21 MX2C PCM DAC Rate ............................................................................................................ 16
6.1.22 MX32 PCM ADC Rate............................................................................................................. 16
6.1.23 MX3A S/PDIF Out Channel Status/Control .............................................................................. 17
6.2.1 MX60 S/PDIF Input Channel Status [15:0].............................................................................. 18
6.2.2 MX62 S/PDIF Input Channel Status [29:15]............................................................................ 18
6.2.3 MX64 EQualizer Control Index Port ........................................................................................ 18
6.2.4 MX64 EQualizer Control Data Port ......................................................................................... 19
6.2.5 MX6A Data Flow Control ......................................................................................................... 19
6.3.1 MX62 PCI Sub System ID.......................................................................................................... 20
ILTER
OWER
EAD
NALOG
IGITAL
IGITAL
NALOG
ENDOR
ISCOVERY
IXER
(P
/R
/G
R
B
D
I/O P
EGISTERS
D
M
I/O P
EFERENCE
)-F
ROUND
ATA
EFINED
IXER
D
REE
ESCRIPTOR
INS
INS
P
................................................................................................................................... 1
ATH
.................................................................................................................................. 5
P
................................................................................................................................. 4
................................................................................................................................ 4
ACKAGE AND
R
............................................................................................................................... 6
/NC....................................................................................................................... 5
EGISTERS
........................................................................................................................... 2
(P
AGE
(P
Table of Contents
V
ID-01
AGE
ERSION
ID-00
H
) .......................................................................................... 20
I
DENTIFICATION
H
)................................................................................... 18
iii
................................................................. 3
ALC250 DataSheet
Rev1.3