alc658 Realtek Semiconductor Corporation, alc658 Datasheet - Page 34

• Manufacturer Part Number: alc658
• Description: Six-channel Ac?97 2.3 Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

6.4.3.
Default: 60A2H
Six-Channel AC’97 2.3 Audio Codec
15:11
7:6
Bit
Bit
10
2
1
0
9
8
5
4
3
2
1
0
MX7A Miscellaneous Control
Type
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
-
-
Function
Function
JD2 Input Status
0: JD2 is driven low by external device (input)
1: JD2 is driven high by external device (input)
JD1(GPIO1) Input Status
0: JD1(GPIO1) is driven low by external device (input)
1: JD1(GPIO1) is driven high by external device (input)
JD0(GPIO0) Input Status
0: JD0(GPIO0) is driven low by external device (input)
1: JD0(GPIO0) is driven high by external device (input)
Reserved
Pin-37 Function Selection (MONO-OUT or Vrefout3)
0: Vrefout3 (Default)
1: MONO-OUT
Vrefout Off Control
0: Vrefout is normal on (Default)
1: Vrefout is off (In High-Z)
Vrefout2 / Vrefout3 Level Control (Default=0)
0: 2.5V 1: 4.0V
Reserved
SO-OUT 1KΩ Control (SO-Control)
0: Pin 39 and 41 are off
1: Pin 39 and 41 are on (Default)
CEN/LFE-OUT 1KΩ Control (C/E-Control)
0: Pin 43 and 44 are off
1: Pin 43 and 44 are on (Default)
JD2 Control Surround-Out, Center-Out and LFE-Out
0: Disable (Default)
1: Enable, when (MX7A.3=1 & MX78.2=1), Surr-Out and CEN/LFE-Out are muted
JD1 Control Surround-Out, Center-Out and LFE-Out
0: Disable (Default)
1: Enable, when (MX7A.2=1 & MX78.1=1 & MX76.1=0), Surr-Out and CEN/LFE-Out are muted
Pin-47 Function Selection
0: S/PDIF-IN (Default)
JD0 Control Surround-Out, Center-Out and LFE-Out
0: Disable (Default)
1: Enable, when (MX7A.0=1 & MX78.0=1 & MX76.0=0), Surr-Out and CEN/LFE-Out are muted
Table 47. MX7A Miscellaneous Control
1: EAPD
30
Datasheet
ALC658
Rev. 1.3