NH82801DB S L8DE Intel, NH82801DB S L8DE Datasheet - Page 227

• Manufacturer Part Number: NH82801DB S L8DE
• Manufacturer: Intel

Specifications of NH82801DB S L8DE

• Lead Free Status / RoHS Status: Compliant

5.19
Intel
®
Table 5-98. Host Notify Format
82801DB ICH4 Datasheet
AC ’97 Controller Functional Description (Audio
D31:F5, Modem D31:F6)
All references to AC ’97 in this document refer to the Audio Codec ’97 Component Specification,
Revision 2.3. For further information on the operation of the AC-link protocol, see the AC ’97
specification.
The ICH4 AC ’97 controller features include:
Table 5-99
20–27
29–36
11–17
•
•
•
•
•
•
•
2–8
Bit
10
18
19
28
37
38
1
9
Independent PCI functions for audio and modem.
Independent bus master logic for dual Microphone input, dual PCM Audio input (2-channel
stereo per input), PCM audio output (2-, 4- or 6-channel audio), Modem input, Modem output
and S/PDIF output.
20-bit sample resolution.
Multiple sample rates up to 48 kHz.
16 GPIOs.
Single modem line.
Configure up to three codecs with three AC_SDIN pins.
Start
SMB Host Address – 7 bits
Write
ACK (or NACK)
Device Address – 7 bits
Unused – Always 0
ACK
Data Byte Low – 8 bits
ACK
Data Byte High – 8 bits
ACK
Stop
shows a detailed list of features supported by the ICH4 AC ’97 digital controller.
Description
External Master
External Master
External Master
Intel
External Master
External Master
ICH4
External Master
ICH4
External Master
ICH4
External Master
®
ICH4
Driven by
Always 0001_000
Always 0
ICH4 NACKs if HOST_NOTIFY_STS is 1
Indicates the address of the master; loaded
into the Notify Device Address Register
7-bit-only address; this bit is inserted to
complete the byte
Loaded into the Notify Data Low Byte
Register
Loaded into the Notify Data High Byte
Register
Comment
Functional Description
227