wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 100

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

40h
42h
WM9714L
Register 40h is a “general purpose” register as defined by the AC’97 specification. Only two bits are implemented in the
WM9714L.
Register 42h controls power-up conditions for output PGAs.
w
REGISTER
REGISTER
ADDRESS
ADDRESS
13
7
6
5
4
3
2
1
0
BIT
BIT
3DE
LB
MONO
SPKL
SPKR
HPL
HPR
OUT3
OUT4
LABEL
LABEL
0 (disabled)
0 (disabled)
0 (normal)
0 (normal)
0 (normal)
0 (normal)
0 (normal)
0 (normal)
0 (normal)
DEFAULT
DEFAULT
3D Enhancement Control
1 = Enabled
0 = Disabled
Digital Loopback Control
1 = Enabled
0 = Disabled
MONO Fast Power Up Control
1 = Fast power up
0 = Normal power up
SPKL Fast Power Up Control
1 = Fast power up
0 = Normal power up
SPKR Fast Power Up Control
1 = Fast power up
0 = Normal power up
HPL Fast Power Up Control
1 = Fast power up
0 = Normal power up
HPR Fast Power Up Control
1 = Fast power up
0 = Normal power up
OUT3 Fast Power Up Control
1 = Fast power up
0 = Normal power up
OUT4 Fast Power Up Control
1 = Fast power up
0 = Normal power up
DESCRIPTION
DESCRIPTION
PP, Rev 3.2, October 2008
Pre-Production
Audio DACs,
3D Stereo
Enhancement
Intel’s AC’97
Component
Specification,
Revision 2.2,
page 55
Analogue
Audio
Outputs,
Power-Up
REFER TO
REFER TO
100