WM8985_07 WOLFSON [Wolfson Microelectronics plc], WM8985_07 Datasheet - Page 107

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

Pre-Production
w
55 (37h)
56 (38h)
57 (39h)
REGISTER
ADDRESS
5:0
8
7
6
5:0
8:7
6
5:4
3
2
1
0
8
7
6
5
4
3
BIT
LOUT2VOL
OUT2VU
ROUT2ZC
ROUT2MUTE
ROUT2VOL
OUT3MUTE
OUT4_2OUT3
BYPL2OUT3
LMIX2OUT3
LDAC2OUT3
OUT3_2OUT4
OUT4MUTE
HALFSIG
LMIX2OUT4
LDAC2OUT4
LABEL
111001
N/A
0
0
111001
00
0
00
0
0
0
1
0
0
0
0
0
0
DEFAULT
Left speaker 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
Right speaker output mute:
0 = Normal operation
1 = Mute
Right speaker output volume:
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
Reserved
0 = Output stage outputs OUT3 mixer
1 = Output stage muted – drives out VMID. Can
be used as VMID buffer in this mode.
Reserved. Initialise to 0
OUT4 mixer output to OUT3
0 = disabled
1= enabled
Left ADC input to OUT3
0 = disabled
1= enabled
Left DAC mixer to OUT3
0 = disabled
1= enabled
Left DAC output to OUT3
0 = disabled
1= enabled
Reserved. Initialise to 0
OUT3 mixer output to OUT4
0 = disabled
1 = enabled
0 = Output stage outputs OUT4 mixer
1 = Output stage muted – drives out VMID. Can
be used as VMID buffer in this mode.
0=OUT4 normal output
1=OUT4 attenuated by 6dB
Left DAC mixer to OUT4
0 = disabled
1= enabled
Left DAC to OUT4
0 = disabled
1= enabled
DESCRIPTION
PP, Rev 3.5, January 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
Analogue
Outputs
REFER TO
WM8985
107