WM8959 Wolfson Microelectronics Ltd., WM8959 Datasheet - Page 140

• Manufacturer Part Number: WM8959
• Description: Mobile Multimedia DAC with Dual-mode Class AB/D Speaker Driver
• Manufacturer: Wolfson Microelectronics Ltd.

WM8959
w
R38 (26h)
Class D (4)
R39 (27h)
Input Mixers
(1)
R40 (28h)
Input Mixers
(2)
R41 (29h)
Input Mixers
(3)
REGISTER
ADDRESS
2:0
15:8
7
6:0
15:4
3:2
1:0
15:8
7
6
5
4
3
2
1
0
15:9
8
BIT
ACGAIN
[2:0]
SPKZC
SPKVOL
[6:0]
AINLMODE
[1:0]
AINRMODE
[1:0]
LMP4
LMN3
LMP2
LMN1
RMP4
RMN3
RMP2
RMN1
L34MNB
LABEL
000b
00h
0b
79h
(0dB)
000h
00b
00b
00h
0b
0b
0b
0b
0b
0b
0b
0b
00h
0b
DEFAULT
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
SPKPGA Zero Cross Enable
0 = Zero cross disabled
1 = Zero cross enabled
SPKPGA Volume
(see Table 28 for SPKPGA volume control range)
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
Reserved - Do Not Change
LIN34 PGA Output to INMIXL Mute
0 = Mute
1 = Un-Mute
DESCRIPTION
PP, May 2008, Rev 3.1
Pre-Production
140