WM8985_07 WOLFSON [Wolfson Microelectronics plc], WM8985_07 Datasheet - Page 102

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

WM8985
w
39 (27h)
41 (29h)
42 (2Ah)
43 (2Bh)
44 (2Ch)
REGISTER
ADDRESS
8:0
8:4
3:0
8:6
5
4:0
2
8
7
6
5
4
3:1
0
8
7
6
BIT
PLLK[8:0]
DEPTH3D
OUT4_2ADCVOL
OUT4_2LNR
POBCTRL
BYPL2RMIX
BYPR2LMIX
MUTERPGA2INV
INVROUT2
BEEPVOL
BEEPEN
MBVSEL
R2_2INPPGA
LABEL
011101001
00000
0000
000
0
0 0000
0
0
0
0
0
0
000
0
0
0
0
DEFAULT
Fractional (K) part of PLL1 input/output
frequency ratio (treat as one 24-digit binary
number).
Reserved. Initialise to 0
Stereo depth
0000: 0% (minimum 3D effect)
0001: 6.67%
....
1110: 93.3%
1111: 100% (maximum 3D effect)
Controls the OUT4 to ADC input boost stage:
000 = Path disabled (disconnected)
001 = -12dB gain
010 = -9dB gain
011 = -6dB gain
100 = -3dB gain
101 = +0dB gain
110 = +3dB gain
111 = +6dB gain
OUT4 to L or R ADC input
0 = Right ADC input
1 = Left ADC input
Reserved. Initialise to 0
VMID independent current bias control
0 = Disable VMID independent current bias
1 = Enable VMID independent current bias
Left bypass path (from the Left channel input
PGA stage) to right output mixer
0 = not selected
1 = selected
Right bypass path (from the right channel input
PGA stage) to Left output mixer
0 = not selected
1 = selected
Reserved. Initialise to 0
Mute input to INVROUT2 mixer
Mute input to INVROUT2 mixer
AUXR input to ROUT2 inverter gain
000 = -15dB
...
111 = +6dB
0 = mute AUXR beep input
1 = enable AUXR beep input
Microphone Bias Voltage Control
0 = 0.9 * AVDD
1 = 0.65 * AVDD
Reserved. Initialise to 0
Connect R2 pin to right channel input PGA
positive terminal.
0=R2 not connected to input PGA
1=R2 connected to input PGA amplifier positive
terminal (constant input impedance).
DESCRIPTION
PP, Rev 3.5, March 2007
Master Clock
and Phase
Locked Loop
(PLL)
3D Stereo
Enhancement
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Input Signal
Path
Input Signal
Path
Pre-Production
REFER TO
102