92hd89b Integrated Device Technology, 92hd89b Datasheet - Page 9

• Manufacturer Part Number: 92hd89b
• Description: Four Channel Hd Audio Codec
• Manufacturer: Integrated Device Technology

92HD89B
Four channel HD Audio codec optimized for low power
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
LIST OF FIGURES
IDT™ CONFIDENTIAL
Figure 1. 92HD89B Block Diagram ................................................................................................................12
Figure 2. System Diagram ............................................................................................................................12
Figure 3. Multi-channel capture ......................................................................................................................22
Figure 4. Multi-channel timing diagram ..........................................................................................................22
Figure 5. Single Digital Microphone (data is ported to both left and right channels .......................................25
Figure 6. Stereo Digital Microphone Configuration ........................................................................................26
Figure 7. HP EAPD Example to be replaced by single pin for internal amp ..................................................32
Figure 8. HD Audio Bus Timing ......................................................................................................................39
Figure 9. 48QFP Functional Block Diagram ...................................................................................................42
Figure 10. 40QFN Functional Block Diagram ................................................................................................43
Figure 11. Widget Diagram (same for both package option) .........................................................................44
Figure 12. Port Configurations .......................................................................................................................45
Figure 13. Pin Assignment ...........................................................................................................................301
Figure 14. 48QFP Package Diagram ...........................................................................................................303
Figure 15. Pin Assignment ...........................................................................................................................304
Figure 16. 40QFN Package Diagram ...........................................................................................................307
9
V 0.90 08/09
92HD89B