ALC892 데이터 시트보기 (PDF) - Realtek Semiconductor

부품명

상세내역

일치하는 목록

ALC892

7.1+2 CHANNEL HD AUDIO CODEC WITH CONTENT PROTECTION

Realtek Semiconductor 

ALC892

Datasheet

8. Supported Verbs and Parameters

This section describes the Verbs and Parameters supported by various widgets in the ALC892. If a verb is

not supported by the addressed widget, it will respond with 32 bits of ‘0’.

8.1. Verb – Get Parameters (Verb ID=F00h)

The ‘Get Parameters’ verb is used to get system information and the function capabilities of the HDA

codec. All the parameters are read-only. There are a total of 15 ID parameters defined for each widget.

Some parameters are supported only in a specific widget. Refer to section 7.4.1 Command Verb Format,

page 21, for detailed information about supported parameters.

Table 16. Verb – Get Parameters (Verb ID=F00h)

Get Parameter Command Format

Codec Response Format

Bit [31:28] Bit [27:20]

Bit [19:8]

Payload Bit [7:0]

Response [31:0]

CAd=X Node ID=00h Verb ID=F00h

Parameter ID[7:0]

32-bit Response

Note: If the parameter ID is not supported, the returned response is 32 bits of ‘0’.

8.1.1. Parameter – Vendor ID (Verb ID=F00h, Parameter ID=00h)

Table 17. Parameter – Vendor ID (Verb ID=F00h, Parameter ID=00h)

Codec Response Format

Bit Description

31:16 Vendor ID=10ECh (Realtek’s PCI Vendor ID).

15:0 Device ID=0892h.

Note: The Root Node (NID=00h) supports this parameter.

8.1.2. Parameter – Revision ID (Verb ID=F00h, Parameter ID=02h)

Table 18. Parameter – Revision ID (Verb ID=F00h, Parameter ID=02h)

Codec Response Format

Bit Description

31:24 Reserved. Read as 0’s.

23:20

MajRev. The major version number (in decimal) of the HDA Spec to which the ALC892 is fully compliant.

Response=0x1.

19:16

MinRev. The minor version number (in decimal) of the HDA Spec to which the ALC892 is fully compliant.

Response=0x0.

15:8 Revision ID. The vendor’s revision number.

00h is for the first silicon version (A version), 01h is for the second version (B version), etc.

7:0 Stepping ID. The vendor’s stepping number within the given Revision ID.

Note: The Root Node (NID=00h in the ALC892) supports this parameter.

7.1+2 Channel HD Audio Codec with Content Protection 26

Track ID: JATR-2265-11 Rev. 1.3

Share Link: