WM8985_07 WOLFSON [Wolfson Microelectronics plc], WM8985_07 Datasheet - Page 106

• Manufacturer Part Number: WM8985_07
• Description: Multimedia CODEC With Class D Headphone and Line Out
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM8985
w
52 (34h)
53 (35h)
54 (36h)
REGISTER
ADDRESS
4:2
1
0
8
7
6
5:0
8
7
6
5:0
8
7
6
BIT
BYPRMIXVOL
BYPR2RMIX
DACR2RMIX
OUT1VU
LOUT1ZC
LOUT1MUTE
LOUT1VOL
OUT1VU
ROUT1ZC
ROUT1MUTE
ROUT1VOL
OUT2VU
LOUT2ZC
LOUT2MUTE
LABEL
000
0
1
N/A
0
0
111001
N/A
0
0
111001
N/A
0
0
DEFAULT
Right bypass volume control to output channel
mixer:
000 = -15dB
001 = -12dB
…
101 = 0dB
110 = +3dB
111 = +6dB
Right bypass path (from the right channel input
boost output) to right output mixer
0 = not selected
1 = selected
Right DAC output to right output mixer
0 = not selected
1 = selected
LOUT1 and ROUT1 volumes do not update until
a 1 is written to OUT1VU (in reg 52 or 53)
Headphone volume zero cross enable:
1 = Change gain on zero cross only
0 = Change gain immediately
Left headphone output mute:
0 = Normal operation
1 = Mute
Left headphone output volume:
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
LOUT1 and ROUT1 volumes do not update until
a 1 is written to OUT1VU (in reg 52 or 53)
Headphone volume zero cross enable:
1 = Change gain on zero cross only
0 = Change gain immediately
Right headphone output mute:
0 = Normal operation
1 = Mute
Right headphone output volume:
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
LOUT2 and ROUT2 volumes do not update until
a 1 is written to OUT2VU (in reg 54 or 55)
Speaker volume zero cross enable:
1 = Change gain on zero cross only
0 = Change gain immediately
Left speaker output mute:
0 = Normal operation
1 = Mute
DESCRIPTION
PP, Rev 3.5, March 2007
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Pre-Production
REFER TO
106