wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 173

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

w
Pre-Production
R24 (18h)
LIN12 Input
PGA Volume
R25 (19h)
LIN34 Input
PGA Volume
R26 (1Ah)
RIN12 Input
PGA Volume
REGISTER
ADDRESS
7:0
15:9
8
7
6
5
4:0
15:9
8
7
6
5
4:0
15:9
8
7
6
5
4:0
BIT
GPIO_POL[7:0]
(rw)
IPVU[0]
LI12MUTE
LI12ZC
LIN12VOL
[4:0]
IPVU[1]
LI34MUTE
LI34ZC
LIN34VOL
[4:0]
IPVU[2]
RI12MUTE
RI12ZC
RIN12VOL
[4:0]
LABEL
00h
00h
N/A
1b
0b
0b
01011b
00h
N/A
1b
0b
0b
01011b
00h
N/A
1b
0b
0b
01011b
DEFAULT
GPIOn Input Polarity
0 = Non-inverted
1 = Inverted
GPIO_POL[7]: GPI8 polarity
GPIO_POL[6]: GPI7 polarity
GPIO_POL[5]: GPIO6 polarity
GPIO_POL[4]: GPIO5 polarity
GPIO_POL[3]: GPIO4 polarity
GPIO_POL[2]: GPIO3 polarity
GPIO_POL[1]: GPIO2 polarity
GPIO_POL[0]: GPIO1 polarity
Reserved - Do Not Change
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
Reserved - Do Not Change
LIN12 Volume
(See Table 24 for PGA volume range)
Reserved - Do Not Change
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
Reserved - Do Not Change
LIN34 Volume
(See Table 24 for PGA volume range)
Reserved - Do Not Change
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
Reserved - Do Not Change
RIN12 Volume
(See Table 24 for PGA volume range)
DESCRIPTION
PP, April 2009, Rev 3.0
WM8400
173