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TSC2014IYZGR Datasheet(PDF) 32 Page - Texas Instruments

Part # TSC2014IYZGR
Description  TSC2014 1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Touch Screen Controller with I2C™ Interface
PDF  62 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TSC2014IYZGR Datasheet(HTML) 32 Page - Texas Instruments

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Detecting
Touch
PINTDAV Programmed:
As
,
CFR2,D[15:14]=10
PENIRQ
As
,
CFR2,D[15:14]=11or01
DAV
As
and
,
CFR2,D[15:14]=00
PENIRQ
DAV
Programmedfor
Host-Controlled
Mode
(PSM=0)
TSC
NotAddressed
TSC
NotAddressed
TSC
NotAddressed
P ogra
r
mm d
for
X
ScanMode
e
Reading
X-Data
Register
Detecting
Touch
WaitingforHosttoWrite
IntoControlByte1D[6:3]
Sample,Conversion,and
PreprocessingforXCoordinate
WaitingforHosttoWrite
IntoControlByte1D[6:3]
TouchisDetected
TouchisStillHere
t
COORDINATE
OSC
PPRO
DLY1
COORDINATE
PVS
PRE
SNS
CONV
OSC
OSC
ADC
OSC
OSC
f
L
OH
OH1
1
t
t
t
t
N
B
2
OH
f
f
f
f
f
§
·
§
· §
· §
·
˜
˜
˜
¨
¸
¨
¸ ¨
¸ ¨
¸
¨
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¨
¸ ¨
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©
¹
©
¹ ©
¹ ©
¹
32
TSC2014
SBAS484B – SEPTEMBER 2010 – REVISED DECEMBER 2016
www.ti.com
Product Folder Links: TSC2014
Submit Documentation Feedback
Copyright © 2010–2016, Texas Instruments Incorporated
The time needed to convert any single coordinate (either X or Y) under host control (not including the time
needed to send the command over the I2C bus) is given by:
(11)
Figure 31. Example of a Single X Coordinate Touch Screen Scan
(with Panel Stabilization Time) using TSMode 3



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