CMI 8768
PCI 8CH Integrated Sound Chip
Enhanced by Xear 3D
TM
Sound Technology
Data Sheet
Rev. 0.9
Mar. 31, 2004
NOTICES
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Copyright 2003-2004 © C-Media Electronics Inc.
C-Media Electronics, Inc.
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PCI 8CH Integrated Sound Chip
CMI8768 Datasheet Rev 0.9
Contents
0.
1.
2.
3.
4.
5.
5.1
5.2
5.3
5.4
6.
6.1
6.2
6.3
6.4
6.5
6.6
7.
Revision History............................................................................................................... 3
Features........................................................................................................................... 4
Overview......................................................................................................................... 5
Block Diagram................................................................................................................ 7
Pin Assignment ............................................................................................................... 8
Pin Description ................................................................................................................ 9
Digital I/O ....................................................................................................................... 9
Analog I/O ................................................................................................................... 10
Power & Ground ......................................................................................................... 10
NC …………………………………………………………………………………………..10
Electrical Characteristics............................................................................................. 11
Maximum Ratings ....................................................................................................... 11
Recommended Operating Conditions................................................................... 11
Power Consumption................................................................................................... 11
Digital Characteristics ................................................................................................ 11
AC Characteristics ..................................................................................................... 12
Analog Performance ................................................................................................. 13
Mechanical Dimensions .............................................................................................. 15
Copyright 2003-2004 © C-Media Electronics Inc.
Page
1
PCI 8CH Integrated Sound Chip
CMI8768 Datasheet Rev 0.9
List of Figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Graphic User Interface Samples-- Main Setting & Mixer ............................... 5
Graphic User Interface Samples—Virtual Speaker SHIFTER & Sound Effect.. 6
Graphic User Interface Samples—Karaoke & Magic Voice & Information.. 6
Block Diagram ................................................................................................... 7
Top View of CMI8768......................................................................................... 8
Mechanical Dimension................................................................................... 15
Copyright 2003-2004 © C-Media Electronics Inc.
Page
2
PCI 8CH Integrated Sound Chip
CMI8768 Datasheet Rev 0.9
0. Revision History
Date
2003/06/13
2003/07/17
2003/10/13
2004/03/31
Rev.
Rev. 0.1
Rev. 0.2
Rev. 0.3
Rev. 0.9
-
-
-
-
-
-
-
-
Release Note
Preliminary vision
Change feature and pin description
Add analog performance data
Change product name from 8768+ to 8768
Update feature/overview description (Support
96K/24Bit output)
Clarify block diagram (no legacy/SBPRO support)
Correct pin function (#125 XS6CH=>GND;
#90-97 XGD0-XGD7=>NC)
Add Electrical Characteristics data and update
analog performance
Copyright 2003-2004 © C-Media Electronics Inc.
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