wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 105

• Manufacturer Part Number: wm9714l
• Description: Ac?97 Audio Codec
• Manufacturer: Wolfson Microelectronics plc

5Ch
Pre-Production
Register 5Ch controls several additional functions.
w
REGISTER
ADDRESS
15
14
13:12
11
10:9
7
6:5
4
3
1:0
BIT
AMUTE
C1REF
C1SRC
C2REF
C2SRC
AMEN
VBIAS
ADCO
HPF
ASS
LABEL
0
0 (AVDD/2)
00 (power
down)
0 (AVDD/2)
00 (OFF)
0 (OFF)
00 (3.3V)
0
(SDATAOUT)
0 (enabled)
00 (slots 3, 4)
DEFAULT
DAC Automute Status (Read-Only)
0 = DAC not muted
1 = DAC auto-muted
Comparator 1 Reference Voltage Select
0 = AVDD/2
1 = WIPER/AUX4 (pin 12)
Comparator 1 Signal Source
00 = AVDD/2 when C1REF=1, else powered down
01 = COMP1/AUX1 (pin 29)
10 = COMP2/AUX2 (pin 30)
11 = Reserved
Comparator 2 Reference Voltage Select
0 = AVDD/2
1 = WIPER/AUX4 (pin 12)
Comparator 2 Signal Source
00 = AVDD/2 when C2REF=1, else powered down
01 = COMP1/AUX1 (pin 29)
10 = COMP2/AUX2 (pin 30)
11 = Reserved
DAC Automute Control
0 = Disabled
1 = Enabled
Analogue Bias Optimization Control
0X = Optimized for 3.3V
10 = Optimized for 2.5V
11 = Optimized for 1.8V
S/PDIF Data Source Control
0 = From SDATAOUT
1 = Output from audio ADC
ADC HPF Disable Control
0 = HPF enabled
1 = HPF disabled
ADC Data Slot Mapping Control
00 =
01 =
10 =
11 =
Left Data
Slot 10
Slot 3
Slot 7
Slot 6
DESCRIPTION
Right Data
Slot 11
Slot 4
Slot 8
Slot 9
PP, Rev 3.2, October 2008
WM9714L
Audio DACs,
Stereo DACs
Battery Alarm
Power
Management
Digital Audio
(S/PDIF)
Output
Audio ADC
Audio ADC,
ADC Slot
Mapping
REFER TO
105