wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 176

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

WM8400
w
R38 (26h)
R39 (27h)
Input Mixers
(1)
R40 (28h)
Input Mixers
(2)
REGISTER
ADDRESS
5:3
2:0
15:0
15:4
3:2
1:0
15:8
7
6
5
4
3
2
1
0
BIT
DCGAIN
[2:0]
ACGAIN
[2:0]
AINLMODE
[1:0]
AINRMODE
[1:0]
LMP4
LMN3
LMP2
LMN1
RMP4
RMN3
RMP2
RMN1
LABEL
000b
000b
0000h
000h
00b
00b
00h
0b
0b
0b
0b
0b
0b
0b
0b
DEFAULT
DC Speaker Boost
000 = 1.00x boost (+0dB)
001 = 1.27x boost (+2.1dB)
010 = 1.40x boost (+2.9dB)
011 = 1.52x boost (+3.6dB)
100 = 1.67x boost (+4.5dB)
101 = 1.8x boost (+5.1dB)
110 to 111 = Reserved
AC Speaker Boost
000 = 1.00x boost (+0dB)
001 = 1.27x boost (+2.1dB)
010 = 1.40x boost (+2.9dB)
011 = 1.52x boost (+3.6dB)
100 = 1.67x boost (+4.5dB)
101 = 1.8x boost (+5.1dB)
110 to 111 = Reserved
Reserved - Do Not Change
Reserved - Do Not Change
AINLMUX Input Source
00 = INMIXL (Left Input Mixer)
01 = RXVOICE (RXP - RXN)
10 = DIFFINL (LIN12 PGA - LIN34 PGA)
11 = (Reserved)
AINRMUX Input Source
00 = INMIXR (Right Input Mixer)
01 = RXVOICE (RXP - RXN)
10 = DIFFINR (RIN12 PGA - RIN34 PGA)
11 = (Reserved)
Reserved - Do Not Change
LIN34 PGA Non-Inverting Input Select
0 = LIN4 not connected to PGA
1 = LIN4 connected to PGA
LIN34 PGA Inverting Input Select
0 = LIN3 not connected to PGA
1 = LIN3 connected to PGA
LIN12 PGA Non-Inverting Input Select
0 = LIN2 not connected to PGA
1 = LIN2 connected to PGA
LIN12 PGA Inverting Input Select
0 = LIN1 not connected to PGA
1 = LIN1 connected to PGA
RIN34 PGA Non-Inverting Input Select
0 = RIN4 not connected to PGA
1 = RIN4 connected to PGA
RIN34 PGA Inverting Input Select
0 = RIN3 not connected to PGA
1 = RIN3 connected to PGA
RIN12 PGA Non-Inverting Input Select
0 = RIN2 not connected to PGA
1 = RIN2 connected to PGA
RIN12 PGA Inverting Input Select
0 = RIN1 not connected to PGA
1 = RIN1 connected to PGA
DESCRIPTION
PP, April 2009, Rev 3.0
Pre-Production
176