alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 53

• Manufacturer Part Number: alc880
• Description: 7.1 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

7.1 Channel High Definition Audio Codec
Codec Response for NID=0Bh (MIXER Sum Widget)
Codec Response for NID=0Ch~0Fh (Sum Widget: Front, Surr, Cen/Lfe, SIDESURR Sum)
Codec Response for NID=14h~1Bh (Pin Complex: Front/Surr/CenLfe/SIDESURR/MIC1/MIC2/LINE1/LINE2)
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’: Input Amplifier Mute, 0: Unmute 1: Mute (Default 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’: Input Amplifier Gain [6:0]. 7-bit step value (0~65) specifying the
volume from –35dB~+30dB in 1dB steps
Bit-15 is 1 in ‘Get Amplifier Gain’: Read as 0’s (No Output Amplifier Mute)
Description
0’s
Bit-15 is 0 in ‘Get Amplifier Gain’: Input Amplifier Mute, 0: Unmute, 1: Mute
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’: Output Amplifier Gain [6:0]. 7-bit step value (0~64) specifying the
volume from –64dB~0dB in 1dB steps
Description
0’s
Bit-15 is 0 in ‘Get Amplifier Gain’: Read as 0
Bit-15 is 1 in ‘Get Amplifier Gain’: Output Amplifier Mute, 0: Unmute, 1: Mute
(NID=14h~1Bh,Default=1)
Bit-15 is 0 in ‘Get Amplifier Gain’: Read as 0’s
Bit-15 is 1 in ‘Get Amplifier Gain’: Read as 0 (No Output Amplifier Gain)
Description
Not supported (returns 00000000h)
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Track ID: JATR-1076-21
ALC880 Series
Datasheet
Rev. 1.4