alc272 Realtek Semiconductor Corporation, alc272 Datasheet - Page 52

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

4 Channel High Definition Audio Codec
Codec Response for NID=18h, 19h, 1Ah and 1Bh (Pin Widget: MIC1/MIC2/LINE1/LINE2)
Codec Response for NID=22h (Sum Widget)
Codec Response for NID=23h (Sum Widget)
Codec Response to Other NID
31:8
31:8
31:8
31:0
6:0
6:0
6:0
Bit
Bit
Bit
Bit
7
7
7
Description
0’s.
Bit-15 is 0 in ‘Get Amplifier Gain’. Read as 0 (No Input Amplifier Mute).
Bit-15 is 1 in ‘Get Amplifier Gain’: Output Amplifier Mute. 0:Unmute; 1:Mute (Default=1)
Bit-15 is 0 in ‘Get Amplifier Gain’. Input Amplifier Gain [6:0].
Specifying the boost from 0dB/10dB/20dB/30dB in 10dB per step (Default=0, 0dB).
Bit-15 is 1 in ‘Get Amplifier Gain’. Read as 0 (No Output Amplifier Gain).
Description
0’s
Bit-15 is 0 in ‘Get Amplifier Gain’. Input Amplifier Mute. 0: Unmute; 1: Mute (Default=1 for all index)
Bit-15 is 1 in ‘Get Amplifier Gain’. Read as 0 (No Output Amplifier Mute).
Bit-15 is 0 in ‘Get Amplifier Gain’. Read as 0 (No Input Amplifier Gain).
Bit-15 is 1 in ‘Get Amplifier Gain’. Read as 0 (No Output Amplifier Gain).
Description
0’s
Bit-15 is 0 in ‘Get Amplifier Gain’. Input Amplifier Mute. 0: Unmute; 1: Mute (Default=1 for all index)
Bit-15 is 1 in ‘Get Amplifier Gain’. Read as 0 (No Output Amplifier Mute).
Bit-15 is 0 in ‘Get Amplifier Gain’. Read as 0 (No Input Amplifier Gain).
Bit-15 is 1 in ‘Get Amplifier Gain’. Read as 0 (No Output Amplifier Gain).
Description
Not Supported (returns 00000000h).
44
Track ID: JATR-1076-21
Datasheet
ALC272
Rev. 1.0