ALC262 datasheet(49/76 Pages) REALTEK

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ALC262 Series

Datasheet

4-Ch DAC and 6-Ch ADC High Definition Audio Codec

Track ID: JATR-1076-21

Rev. 1.7

Codec Response for NID=02h, 03h, 06h (Output Converters: LINE-OUT DAC, HP-OUT DAC, S/PDIF-OUT).

Codec Response for NID=07h~0Ah (Input Converters: MIC ADC, LINE ADC, MIX DAC, and S/PDIF-IN)

Bit

Description

10:8

Sample Base Rate Divisor (DIV).

000b: /1

001b: /2

010b: /3

011b: /4

100b: /5

101b: /6

110b: /7

111b: /8

The ALC262 does not support Divisor. Always read as 000b.

Reserved. Read as 0.

6:4

Bits per Sample (BITS).

000b: 8 bits

001b: 16 bits

010b: 20 bits

011b: 24 bits

100b: 32 bits

101b~111b: reserved

3:0

Number of Channels.

0: 1 channel

1: 2 channels

2: 3 channels ….. 15: 16 channels

Codec Response for other NID

Bit

Description

31:0

Not supported (returns 00000000h).

9.14. Verb – Set Converter Format (Verb ID=2h)

Table 46. Verb – Set Converter Format (Verb ID=2h)

Set Command Format

Codec Response Format

Bit [31:28]

Bit [27:20]

Bit [19:16]

Payload Bit [15:0]

Response [31:0]

CAd=X

Node ID=Xh

Verb ID=2h

Set format [15:0]

0’s for all nodes

‘Set’ Payload in Command Bit[15:0]

Bit

Description

31:16

Reserved. Read as 0.

Stream Type (TYPE).

0: PCM

1: Non-PCM

Sample Base Rate (BASE).

0: 48kHz

1: 44.1kHz

13:11

Sample Base Rate Multiple (MULT).

000b: *1

001b: *2

010b: *3

011b: *4

100b~111b: Reserved.

10:8

Sample Base Rate Divisor (DIV).

000b: /1

001b: /2

010b: /3

011b: /4

100b: /5

101b: /6

110b: /7

111b: /8

Reserved. Read as 0.

6:4

Bits per Sample (BITS).

000b: 8 bits

001b: 16 bits

010b: 20 bits

011b: 24 bits

100b: 32 bits

101b~111b: Reserved

3:0

Number of Channels.

0: 1 channel

1: 2 channels

2: 3 channels …..… 15: 16 channels

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