WM9713L_06 WOLFSON [Wolfson Microelectronics plc], WM9713L_06 Datasheet - Page 98
![no-image](/images/no-image-200.jpg)
WM9713L_06
Manufacturer Part Number
WM9713L_06
Description
AC 97 Audio + Touchpanel CODEC
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM9713L_06.pdf
(108 pages)
- Current page: 98 of 108
- Download datasheet (2Mb)
74h
76h
78h
7Ah
read only
7Ch
7Eh
WM9713L
Registers 76h, 78h and 7Ah control the touchpanel interface.
Register 7Ch and 7Eh are read-only registers that indicate to the driver that the codec is a WM9713L.
w
REGISTER
ADDRESS
REGISTER
ADDRESS
9
8
7
6
5
4
3
2
1
0
9:8
7:4
3
2:0
15:14
13
12
11
10
9
8
7:6
5:0
15
14:12
11:0
BIT
15:8
7:0
15:8
7:0
BIT
POLL
CTC
ADCSEL_AUX4
ADCSEL_AUX3
ADCSEL_AUX2
ADCSEL_AUX1
ADCSEL_PRES
SURE
ADCSEL_Y
ADCSEL_X
COO
CR
DEL
SLEN
SLT
PRP
RPR
45W
PDEN
PDPOL
WAIT
PIL
MSK
RPU
PNDN
ADCSRC
ADCD
F7:0
S7:0
T7:0
REV7:0
LABEL
LABEL
57h
13h
4Dh
4Ch
0
0
0
0
0
0
0
0
0
0 (OFF)
00 (93.75Hz)
0000 (20.8 s)
1
110 (slot 11)
00
0
0 (4-wire)
0 (always)
0
0
0 (200 A)
00 (OFF)
000001
(64k )
0 (pen up)
000 (none)
000h
DEFAULT
DEFAULT
ASCII character “W” for Wolfson
ASCII character “M”
ASCII character “L”
Device identifier
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)
Enable touchpanel pressure measurement
Enable touchpanel Y co-ord measurement
Enable touchpanel X co-ord measurement
Enables co-ordinate mode
Controls conversion rate in continuous mode
Controls touchpanel settling time
Enables slot readback of touchpanel data
Selects time slot for readback of touchpanel data
Selects mode of operation. 00=OFF, 01=pen detect
with wake-up, 10=pen detect without wake-up,
11=running
Selects wake-up mode. 0=AC-Link only, 1=AC-Link
and WM9713L auto-wake-up
Selects 4-wire or 5-wire touchpanel
Selects when touchpanel measurements take place.
0=always, 1=only when pen is down
PENDOWN polarity: 0=non-inverted; 1=inverted
Controls data readback from register 7Ah.
0=overwrite old data with new, 1=wait until old data
has been read
Controls current used for pressure measurement.
1=400 A
Controls MASK feature
Controls internal pull-up resistor for pen-down
detection
Indicates pen status.
Indicates measurement type
Returns data from touchpanel / AUXADC
DESCRIPTION
DESCRIPTION
PP Rev 3.0 June 2006
Pre-Production
Intel’s AC’97
Component
Specification,
Revision 2.2,
page 50
REFER TO
Touchpanel
Interface
REFER TO
98
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