wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 62

• Manufacturer Part Number: wm8400
• Description: Wolfson Audioplustm Hi-fi Audio Codec And Power Management Unit For Mobile Multimedia
• Manufacturer: Wolfson Microelectronics plc

WM8400
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Table 23 Input PGA Volume Control
R24 (18h)
R25 (19h)
R26 (1Ah)
R27 (1Bh)
REGISTER
ADDRESS
8
7
6
4:0
8
7
6
4:0
8
7
6
4:0
8
7
6
4:0
BIT
IPVU[0]
LI12MUTE
LI12ZC
LIN12VOL
[4:0]
IPVU[1]
LI34MUTE
LI34ZC
LIN34VOL
[4:0]
IPVU[2]
RI12MUTE
RI12ZC
RIN12VOL
[4:0]
IPVU[3]
RI34MUTE
RI34ZC
RIN34VOL
[4:0]
LABEL
N/A
1b
0b
01011b
(0dB)
N/A
1b
0b
01011b
(0dB)
N/A
1b
0b
01011b
(0dB)
N/A
1b
0b
01011b
(0dB)
DEFAULT
Input PGA Volume Update
Writing a 1 to this bit will cause all input
PGA volumes to be updated
simultaneously (LIN12, LIN34, RIN12 and
RIN34)
LIN12 PGA Mute
0 = Disable Mute
1 = Enable Mute
LIN12 PGA Zero Cross Detector
0 = Change gain immediately
1 = Change gain on zero cross only
LIN12 Volume
(See Table 24 for volume range)
Input PGA Volume Update
Writing a 1 to this bit will cause all input
PGA volumes to be updated
simultaneously (LIN12, LIN34, RIN12 and
RIN34)
LIN34 PGA Mute
0 = Disable Mute
1 = Enable Mute
LIN34 PGA Zero Cross Detector
0 = Change gain immediately
1 = Change gain on zero cross only
LIN34 Volume
(See Table 24 for volume range)
Input PGA Volume Update
Writing a 1 to this bit will cause all input
PGA volumes to be updated
simultaneously (LIN12, LIN34, RIN12 and
RIN34)
RIN12 PGA Mute
0 = Disable Mute
1 = Enable Mute
RIN12 PGA Zero Cross Detector
0 = Change gain immediately
1 = Change gain on zero cross only
RIN12 Volume
(See Table 24 for volume range)
Input PGA Volume Update
Writing a 1 to this bit will cause all input
PGA volumes to be updated
simultaneously (LIN12, LIN34, RIN12 and
RIN34)
RIN34 PGA Mute
0 = Disable Mute
1 = Enable Mute
RIN34 PGA Zero Cross Detector
0 = Change gain immediately
1 = Change gain on zero cross only
RIN34 Volume
(See Table 24 for volume range)
DESCRIPTION
PP, April 2009, Rev 3.0
Pre-Production
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