alc203-lf Realtek Semiconductor Corporation, alc203-lf Datasheet - Page 3

• Manufacturer Part Number: alc203-lf
• Description: Two-channel Ac?97 2.3 Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

1. GENERAL DESCRIPTION .................................................................................................................................................. 1
2. FEATURES ............................................................................................................................................................................. 1
3. BLOCK DIAGRAM ............................................................................................................................................................... 2
4. PIN ASSIGNMENTS.............................................................................................................................................................. 4
5. PIN DESCRIPTION............................................................................................................................................................... 5
6. REGISTERS............................................................................................................................................................................ 7
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
6.4 E
6.1.1 MX00 Reset .................................................................................................................................................................. 8
6.1.2 MX02 Master Volume .................................................................................................................................................. 8
6.1.3 MX04 Headphone.......................................................................................................................................................... 8
6.1.4 MX06 MONO_OUT Volume........................................................................................................................................ 9
6.1.5 MX0A PC BEEP Volume ............................................................................................................................................. 9
6.1.6 MX0C PHONE Volume................................................................................................................................................ 9
6.1.7 MX0E MIC Volume.................................................................................................................................................... 10
6.1.8 MX10 LINE_IN Volume ............................................................................................................................................. 10
6.1.9 MX12 CD Volume ...................................................................................................................................................... 10
6.1.10 MX16 AUX Volume.................................................................................................................................................. 11
6.1.11 MX18 PCM_OUT Volume ....................................................................................................................................... 11
6.1.12 MX1A Record Select ................................................................................................................................................ 12
6.1.13 MX1C Record Gain for Stereo ADC........................................................................................................................ 12
6.1.14 MX1E Record Gain for MIC ADC........................................................................................................................... 13
6.1.15 MX20 General Purpose Register ............................................................................................................................. 13
6.1.16 MX22 3D Control .................................................................................................................................................... 13
6.1.17 MX24 Audio interrupt and Paging........................................................................................................................... 14
6.1.18 MX26 Powerdown Control/Status ........................................................................................................................... 15
6.1.19 MX28 Extended Audio ID ........................................................................................................................................ 16
6.1.20 MX2A Extended Audio Status and Control,................................................................................................................ 17
6.1.21 MX2C PCM DAC Rate ............................................................................................................................................ 18
6.1.22 MX32 PCM ADC Rate ............................................................................................................................................. 18
6.1.23 MX3A S/PDIF Out Channel Status/Control ............................................................................................................... 19
6.2.1 Page -0h, MX60 S/PDIF In Status [15:0] ................................................................................................................. 20
6.2.2 Page -0h, MX62 S/PDIF In Status [29:15] ............................................................................................................... 20
6.2.3 Page -0h, MX6A Data Flow Control ......................................................................................................................... 20
6.3.1 Page -1h, MX62 PCI Sub System ID.......................................................................................................................... 21
6.3.2 Page -1h, MX64 PCI Sub Vendor ID......................................................................................................................... 21
6.3.3 Page -1h, MX66 Sense Function Select ..................................................................................................................... 22
6.3.4 Page -1h, MX68 Sense Function................................................................................................................................ 22
6.3.5 Page -1h, MX6A Sense Detail.................................................................................................................................... 23
6.4.1 MX76 GPIO & Interrupt Setup .................................................................................................................................. 24
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.................................................................................................................................................................. 6
................................................................................................................................................................. 5
LOCK
................................................................................................................................................................ 6
................................................................................................................................................................ 7
ACKAGE AND
R
/NC ....................................................................................................................................................... 6
EGISTERS
............................................................................................................................................................ 3
...................................................................................................................................................... 24
....................................................................................................................................................... 2
(P
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ID-01
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ERSION
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H
Table of Contents
) .......................................................................................................................... 21
H
) ........................................................................................................................ 20
I
DENTIFICATION
iii
................................................................................................. 4
ALC203 DataSheet
Rev1.6