WM9714L_06 WOLFSON [Wolfson Microelectronics plc], WM9714L_06 Datasheet - Page 83
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WM9714L_06
Manufacturer Part Number
WM9714L_06
Description
AC 97 Audio CODEC
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM9714L_06.pdf
(94 pages)
- Current page: 83 of 94
- Download datasheet (2Mb)
60h
62h
64h
74h
76h
78h
Pre-Production
Registers 60h and 62h control the ALC and Noise Gate functions.
Register 64h controls the input signal of the auxiliary DAC.
Registers 76h, 78h and 7Ah control the AUXADC.
w
REGISTER
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
15:12
11:8
7:4
3:0
15:14
13:11
10:9
7
5
4:0
15
14:12
11:0
9
8
7
6
5
4
9:8
7:4
3
2:0
15:14
9
7:6
14:12
11:0
BIT
BIT
BIT
ALCL
HLD
DCY
ATK
ALCSEL
MAXGAIN
ZC
TIMEOUT
NGAT
NGG
NGTH
XSLE
AUXDACSLT
AUXDACVAL
POLL
CTC
ADCSEL_AUX4
ADCSEL_AUX3
ADCSEL_AUX2
ADCSEL_AUX1
CR
DEL
SLEN
SLT
PRP
WAIT
MSK
ADCSRC
ADCD
LABEL
LABEL
LABEL
0000 (0 ms)
11 (slowest)
1011 (-12dB)
0011 (192 ms)
0010 (24 ms)
00 (OFF)
111 (+30dB)
0 (OFF)
0 (hold gain)
00000 (-76.5dB)
0
000 (Slot 5)
000000000
DEFAULT
0
0
0
0
0
0
00 (93.75Hz)
0000 (20.8µs)
1
110 (slot 11)
00
0
00 (OFF)
000 (none)
000h
DEFAULT
DEFAULT
Controls ALC threshold
Controls ALC hold time
Controls ALC decay time
Controls ALC attack time
Controls which channel ALC operates on. 00=none,
01=right only, 10=left only, 11=both
Controls upper gain limit for ALC
Controls time-out for zero-cross detection
Enables noise gate function
Selects noise gate type. 0=hold gain, 1=mute
Controls noise gate threshold
Selects input for AUXDAC. 0=from AUXDACVAL
(for DC signals), 1=from AC-Link slot (for AC
signals)
Selects input slot for AUXDAC (with XSLE=1)
AUXDAC Digital Input for AUXDAC (with XSLE=0).
000h= minimum, FFFh=full-scale
Writing “1” initiates a measurement (when CTC is
not set)
0=Polling mode; 1=Continuous mode (for DMA)
Enable COMP1/AUX4 measurement (pin32)
Enable COMP1/AUX3 measurement (pin31)
Enable COMP1/AUX2 measurement (pin30)
Enable COMP1/AUX1 measurement (pin29)
Controls conversion rate in continuous mode
Controls AUXADC settling time
Enables slot readback of AUXADC data
Selects time slot for readback of AUXADC data
Selects mode of operation. 00=OFF,
01/10=Reserved, 11=ON
Controls data readback from register 7Ah.
0=overwrite old data with new, 1=wait until old data
has been read
Controls MASK feature
Indicates measurement type
Returns data from AUXADC
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP Rev 3.0 June 2006
WM9714L
Audio ADC,
Automatic
Level Control
Auxiliary DAC
REFER TO
REFER TO
AUXADC
REFER TO
83
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