WM9713LGEFL/RV Wolfson Microelectronics, WM9713LGEFL/RV Datasheet - Page 121

• Manufacturer Part Number: WM9713LGEFL/RV
• Description: Audio CODECs Stereo AC'97 CODEC T/P Interface
• Manufacturer: Wolfson Microelectronics

Specifications of WM9713LGEFL/RV

• Number Of Adc Inputs: 1
• Number Of Dac Outputs: 1
• Conversion Rate: 8 KSPs
• Interface Type: AC97
• Resolution: 12 bit
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-48
• Minimum Operating Temperature: - 25 C
• Number Of Channels: 1 ADC, 1 DAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

78h
Pre-Production
Register 78h controls the physical properties of the touchpanel interface.
w
REGISTER
ADDRESS
15:14
13
12
11
10
9
8
7:6
5:0
BIT
PRP
RPR
45W
PDEN
PDPOL
WAIT
PIL
MSK
RPU
LABEL
00 (disabled)
0 (AC-link)
0 (4-wire)
0 (always)
0 (normal)
0 (overwrite)
0 (200µA)
00 (disabled)
000001
(64kΩ)
DEFAULT
Touchpanel Digitiser Power State Control
00 = Disabled
01 = Enable pen detect, wake-up on pen down
10 = Enable pen detect, no wake-up on pen down
11 = Pen detect and pen digitizer enabled
Pen Detect Wake-up Mode Control
0 = Wake AC-link only
1 = Wake-up AC-link and WM9713
Touchpanel Type Control
0 = 4-wire
1 = 5-wire
Touchpanel Measurement Pen Status Control
0 = Measure regardless of pen status
1 = Measure only when pen is down
PENDOWN Polarity Control
0 = Normal
1 = Inverted
Touchpanel ADC Data Control
0 = Overwrite existing data in 7Ah with new data
1 = Retain existing data in 7Ah until it is read
Pressure Measurement Current Control
0 = 200µA
1 = 400µA
Mask Input Control
00 = Disabled
01 = Static
10 = Edge-triggered
11 = Synchronous
Internal Pull-up Resistor Control
000000 = Reserved
000001 = 64kΩ/1 (most sensitive)
000010 = 64kΩ/2
000011 = 64kΩ/3
… (64kΩ/binary value of RPU)
111111 = 64kΩ/63 (least sensitive)
DESCRIPTION
PP Rev 3.2 September 2008
WM9713L
Touchpanel
Interface
REFER TO
121