TSC2013-Q1 Datasheet, PDF (13/70 Pages) Texas Instruments – TSC2013-Q1 12-Bit, Nanopower, 4-Wire Dual-Touch Screen Controller With I2C Interface

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Overview (continued)
1.6 VDC
TSC2013-Q1
SLVSC89A – JUNE 2014 – REVISED JULY 2014
Touch
Screen
1 µF 0.1 µF
1.6 VDC
AGND
1.2 kΩ
Host
1.2 kΩ Processor
X+
Y+
TSC2013-Q1
X–
Y–
PINTDAV
RESET
SDA
SCL
GPIO
GPIO
SDA
SCL
(PINTDAV is optional;
software implementation
polling of the Status register is
possible)
R_(SENSE)
47 Ω
AGND
Figure 14. Typical Circuit Configuration
7.2 Functional Block Diagram
SNSVDD/
VREF
X+
X±
Y+
Y±
AUX
SNSGND
Touch Screen
Driver
Interface
MUX
PENIRQ
DAV
SAR
ADC
Internal
Clock
I²C Serial
Interface and
Control
PINTDAV
SCL
SDA
AD0
AD1
RESET
R_(SENSE)
AGND
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