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參數(shù)資料
| 型號： | WM9712LEFL |
| 廠商： | Wolfson Microelectronics |
| 元件分類： | Codec |
| 英文描述： | AC97 Audio and Touchpanel CODEC |
| 中文描述： | AC97音頻編解碼器和觸摸屏 |
| 文件頁數(shù)： | 69/78頁 |
| 文件大小： | 689K |
| 代理商： | WM9712LEFL |
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Production Data
Register 58h
controls several additional functions.
REG
ADDR
15:13
COMP2DEL
12
JIEN
11
FRC
10
SVD
WM9712L
w
PD Rev 4.0 December 2003
69
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
000 (no delay)
0
0
0 (enabled)
Selects Comparator 2 delay
Enables Jack Insert Detection
Forces Jack Insert Detection
Disables VREF for lowest possible power
consumption
Indicates device revision. 00=Rev.A, 01=Rev.B, 10=Rev.C
0 (no wake-up)
Enables GPIO wake-up
0 (not inverted)
Inverts the IRQ signal (pin 45)
Battery Alarm
Analogue Audio Outputs, Jack
Insertion and Auto-Switching
Power Management
3:2
1
0
DIE REV
WAKEEN
IRQ INV
N/A
GPIO and Interrupt Control
58h
Register 5Ch
controls several additional functions.
REG
ADDR
15
AMUTE
14
C1REF
13:12
C1SRC
11
C2REF
10:9
C2SRC
8
DS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
0
0 (AVDD/2)
00 (OFF)
0 (AVDD/2)
00 (OFF)
0
Read-only bit to indicate DAC auto-muting
Selects Comparator 1 Reference Voltage
Selects Comparator 1 Signal Source
Selects Comparator 1 Reference Voltage
Selects Comparator 1 Signal Source
Selects differential microphone input pins. 0=MIC1
and MIC2, 1=LINEL and LINER
Enables DAC Auto-Mute
Selects analogue bias for lowest power, depending
on AVDD supply. 0X=3.3V, 10=2.5V, 11=1.8V
Selects source of SPDIF data. 0=from SDATAOUT,
1= from audio ADC
Disables ADC high-pass filter
Enables thermal sensor
Audio DACs, Stereo DACs
Battery Alarm
Analogue Inputs,
Microphone Input
Power Management
7
6:5
AMEN
VBIAS
0 (OFF)
00
4
ADCO
0
Digital Audio (SPDIF)
Output
Audio ADC
Analogue Audio Outputs,
Thermal Sensor
Audio ADC, ADC Slot
Mapping
3
2
HPF
ENT
0
0
5Ch
1:0
ASS
00
Selects time slots for stereo ADC data. 00=slots 3
and 4, 01=7/8, 10=6/9, 11=10/11
Registers 60h and 62h
control the ALC and Noise Gate functions.
REG
ADDR
15:12
ALCL
11:8
HLD
7:4
DCY
3:0
ATK
15:14
ALCSEL
62h
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
1011 (-12dB)
0000 (0 ms)
0011 (192 ms)
0010 (24 ms)
00 (OFF)
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 zero-cross detection for ALC
Enables noise gate function
Selects noise gate type. 0=hold gain, 1=mute
Controls noise gate threshold
60h
13:11
10:9
8
7
5
4:0
MAXGAIN
ZC TIMEOUT
ALCZC
NGAT
NGG
NGTH
111 (+30dB)
11 (slowest)
0 (OFF)
0 (OFF)
0 (hold gain)
00000 (-76.5dB)
Audio ADC,
Automatic
Level Control
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| WM9712LEFT | AC97 Audio and Touchpanel CODEC |
| WM9712LEFV | AC97 Audio and Touchpanel CODEC |
| WM9712LSEFL | AC97 Audio and Touchpanel CODEC |
| WM9712LSEFT | AC97 Audio and Touchpanel CODEC |
| WM9712LSEFV | AC97 Audio and Touchpanel CODEC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WM9712LEFL/RV | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC |
| WM9712LEFL/V | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC |
| WM9712LEFT | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC |
| WM9712LEFT/RV | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC |
| WM9712LEFV | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC |
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