WM8961
Pre-Production
REGISTER
ADDRESS
BIT
8:6
LABEL
DEFAULT
DESCRIPTION
Secondary HPL PGA Volume
R71 (47h)
Analogue
HP 2
HPL_VOL[2:0]
111
111
110
101
100
011
010
001
000
0dB (default)
-1dB
-2dB
-3dB
-4dB
-5dB
-6dB
-7dB
5:3
HPR_VOL[2:0]
111
Secondary HPR PGA Volume
111
110
101
100
011
010
001
000
0dB (default)
-1dB
-2dB
-3dB
-4dB
-5dB
-6dB
-7dB
2:0
HP_BIAS_BO
OST[2:0]
011
Boost bias into headphone driver
000:
001:
010:
011:
x2
Reserved
Reserved
x1
100-111: Reserved
Register 47h Analogue HP 2
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R82 (52h)
Charge
1:0 CP_DYN_PWR[1:0]
0
Enable dynamic (Class W) power saving
00: dynamic power saving disabled
01: Reserved
Pump B
10: Reserved
11: dynamic power saving enabled
Register 52h Charge Pump B
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
Write Sequencer Enable.
0: off
1: on
R87 (57h)
Write
Sequencer 1
5
WSEQ_ENA
0
Sets the current Index in the Write Sequencer Memory. Writes
to the following write sequencer registers will affect this
memory location.
4:0
WSEQ_WRITE_INDEX[4:0]
0_0000
Register 57h Write Sequencer 1
PP, August 2009, Rev 3.1
w
98
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
