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WM9713 Datasheet(PDF) 99 Page - Wolfson Microelectronics plc

Part # WM9713
Description  AC 97 AUDIO TOUCHPANEL CODEC
PDF  111 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9713 Datasheet(HTML) 99 Page - Wolfson Microelectronics plc

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Preliminary Technical Data
WM9713L
1
PTD, March 2004, Rev 2.2
99
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
15:13
COMP2DEL
000 (no delay)
Selects Comparator 2 delay
Battery Alarm
8
RSTDIS
0 (RESETB
enabled)
Disables RESETB pin to enable use
as a GPIO
GPIO Interrupt and Control
7:6
JSEL
00 (GPIO1)
Selects GPIO for jack insert detect:
00: GPIO1
01: GPIO6
10: GPIO7
11: GPIO8
Jack Insertion & Auto-
Switching
5:4
HPMODE
00
HPF corner frequency
00: 7Hz @ Fs=48kHz
01: 82Hz @ Fs=16kHz
10: 82Hz @ Fs=8kHz
11: 170Hz @ Fs=8kHz
Audio ADCs
3:2
DIE REV
Indicates device revision. 00=Rev.A, 01=Rev.B,
10=Rev.C
N/A
1
WAKEEN
0 (no wake-up)
Enables GPIO wake-up
5Ah
0
IRQ INV
0 (not inverted)
Inverts the IRQ signal (pin 45)
GPIO and Interrupt Control
Register 5Ah controls several additional functions.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
15
AMUTE
0
Read-only bit to indicate DAC auto-
muting
Audio DACs, Stereo DACs
14
C1REF
0 (AVDD/2)
Selects Comparator 1 Reference
Voltage
13:12
C1SRC
00 (OFF)
Selects Comparator 1 Signal Source
11
C2REF
0 (AVDD/2)
Selects Comparator 1 Reference
Voltage
10:9
C2SRC
00 (OFF)
Selects Comparator 1 Signal Source
Battery Alarm
7
AMEN
0 (OFF)
Enables DAC Auto-Mute
6:5
VBIAS
00
Selects analogue bias for lowest
power, depending on AVDD supply.
0X=3.3V, 10=2.5V, 11=1.8V
Power Management
4
ADCO
0
Selects source of SPDIF data. 0=from
SDATAOUT, 1= from audio ADC
Digital Audio (SPDIF)
Output
3
HPF
0
Disables ADC high-pass filter
Audio ADC
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
Audio ADC, ADC Slot
Mapping
Register 5Ch controls several additional functions.



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