alc272 Realtek Semiconductor Corporation, alc272 Datasheet - Page 54

• Manufacturer Part Number: alc272
• Description: 4 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.13. Verb – Get Converter Format (Verb ID=Ah)
4 Channel High Definition Audio Codec
Get Command Format
Codec Response for NID=02h~03h, 06h, 10h (Output Converters: LOUT1, LOUT2 DAC and SPDIF-OUT1/2).
Codec Response for NID=08h and 09h (Input Converters: ADC 08h and ADC 09h)
NID=02h (LOUT1 DAC)
NID=03h (LOUT2 DAC)
NID=06h (SPDIF-OUT1)
NID=10h (SPDIF-OUT2)
NID=08h (LINE ADC)
NID=09h (MIX ADC)
Codec Response for other NID
Bit [31:28]
CAd=X
31:16
13:11
10:8
31:0
6:4
3:0
Bit
Bit
15
14
7
Description
Reserved. Read as 0.
Stream Type (TYPE).
0: PCM
Sample Base Rate (BASE).
0: 48kHz
Sample Base Rate Multiple (MULT).
000b: *1
Sample Base Rate Divisor (DIV).
000b: /1
101b: /6
Not supported. Always read as 000b.
Reserved. Read as 0.
Bits per Sample (BITS).
000b: 8 bits
101b~111b: Reserved
Number of Channels.
0: 1 channel
Description
Not Supported (returns 00000000h).
Node ID=Xh
Bit [27:20]
Table 47. Verb – Get Converter Format (Verb ID=Ah)
BASE
Verb ID=Ah
Bit [19:16]
0
1
0
1
0
1
0
1
0
1
0
1
1: Non-PCM
1: 44.1kHz
001b: *2
001b: /2
110b: /7
001b: 16 bits
1: 2 channels
Table 48. Get Converter Format Support
000b, 001b, 011b
000b, 001b, 011b
000b, 001b, 011b
000b, 001b, 011b
000b, 001b, 011b
000b, 001b, 011b
000b, 001b
000b, 001b
MULT
000b
000b
000b
000b
Payload Bit [15:0]
010b: *3
010b: /3
111b: /8
010b: 20 bits
2: 3 channels
46
0’s
000b
000b
000b
000b
000b
000b
000b
000b
000b
000b
000b
000b
DIV
011b: *4
011b: /4
011b: 24 bits
………
001,010b, 011b
001,010b, 011b
001,010b, 011b
001,010b, 011b
001,010b, 011b
001,010b, 011b
001,010b, 011b
001,010b, 011b
001,010b, 011b
001,010b, 011b
001,010b, 011b
001,010b, 011b
Track ID: JATR-1076-21
BITS
Bit[15:0] are converter format
Codec Response Format
Response [31:0]
100b: /5
100b~111b: Reserved
100b: 32 bits
15: 16 channels
48K, 96K, 192K
48K, 96K, 192K
48K, 96K, 192K
48K, 96K, 192K
48K, 96K, 192K
48K, 96K, 192K
44.1K, 88.2K
44.1K, 88.2K
Sample rate
44.1K
44.1K
44.1K
44.1K
Datasheet
ALC272
Rev. 1.0