wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 109

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

7Ah
read-only
7Ch
7Eh
Pre-Production
Registers 7Ah is a read-only register which reports the AUXADC measurement results
Register 7Ch and 7Eh are read-only registers that indicate to the driver that the codec is a WM9714L.
w
REGISTER
REGISTER
ADDRESS
ADDRESS
14:12
11:0
15:8
7:0
15:8
7:0
BIT
BIT
ADCSRC
ADCD
F7:0
S7:0
T7:0
REV7:0
LABEL
LABEL
000 (none)
000h
57h
4Dh
4Ch
13h
DEFAULT
DEFAULT
ASCII character “W” for Wolfson
ASCII character “M”
ASCII character “L”
Device identifier
AUXADC Source
000 = No measurement
001 = Reserved
010 = Reserved
011 = Reserved
100 = COMP1/AUX1 measurement (pin 29)
101 = COMP2/AUX2 measurement (pin 30)
110 = AUX3 measurement (SPKVDD/3)
111 = AUX4 measurement (pin 12)
AUXADC Data (Read-only)
Bit 0 = LSB
Bit 11 = MSB
DESCRIPTION
DESCRIPTION
PP, Rev 3.2, October 2008
WM9714L
AUXADC
Intel’s AC’97
Component
Specification,
Revision 2.2,
page 50
REFER TO
REFER TO
109