WM9713L_06 WOLFSON [Wolfson Microelectronics plc], WM9713L_06 Datasheet - Page 91

• Manufacturer Part Number: WM9713L_06
• Description: AC 97 Audio + Touchpanel CODEC
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

28h
2Ah
2Ch
2Eh
32h
Note: The VRA bit in register 2Ah must be set first to obtain sample rates other than 48kHz
Pre-Production
Register 28h is a read-only register that indicates to the driver which advanced AC’97 features the WM9713L supports.
Register 2Ah controls the SPDIF output and variable rate audio.
Registers 2Ch, 2Eh 32h and control the sample rates for the stereo DAC, auxiliary DAC and audio ADC, respectively.
w
REGISTER
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
15:14
11:10
9
8
7
6
3
2
1
0
10
5:4
2
0
all
all
all
BIT
BIT
BIT
ID
REV
AMAP
LDAC
SDAC
CDAC
VRM
SPDIF
DRA
VRA
SPCV
SPSA
SEN
VRA
DACSR
AUXDACSR
ADCSR
LABEL
LABEL
LABEL
00
01
0
0
0
0
0
1
0
1
1 (valid)
01 (slots 6, 9)
0 (OFF)
0 (OFF)
BB80h
BB80h
BB80h
DEFAULT
DEFAULT
DEFAULT
Indicates that the WM9713L is configured as the
primary codec in the system.
Indicates that the WM9713L conforms to AC’97
Rev2.2
Indicates that the WM9713L does not support slot
mapping
Indicates that the WM9713L does not have an
LFE DAC
Indicates that the WM9713L does not have
Surround DACs
Indicates that the WM9713L does not have a
Centre DAC
Indicates that the WM9713L does not have a
dedicated, variable rate microphone ADC
Indicates that the WM9713L supports SPDIF
output
Indicates that the WM9713L does not support
double rate audio
Indicates that the WM9713L supports variable rate
audio
SPDIF validity bit (read-only)
Controls SPDIF slot assignment. 00=slots 3 and 4,
01=6/9, 10=7/8, 11=10/11
Enables SPDIF output enable
Enables variable rate audio
Controls stereo DAC sample rate
Controls auxiliary DAC sample rate
Controls audio ADC sample rate
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP Rev 3.0 June 2006
WM9713L
Intel’s AC’97
Component
Specification,
Revision 2.2,
page 59
Digital Audio
(SPDIF)
Output
Variable Rate
Audio /
Sample Rate
Conversion
REFER TO
REFER TO
REFER TO
91