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TSC2004 Scheda tecnica(PDF) 5 Page - Texas Instruments

Il numero della parte TSC2004
Spiegazioni elettronici  1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire TOUCH SCREEN CONTROLLER with I2C™ Interface
PDF  62 Pages
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Produttore elettronici  TI2 [Texas Instruments]
Homepage  https://www.ti.com
Logo TI2 - Texas Instruments

TSC2004 Scheda tecnica(HTML) 5 Page - Texas Instruments

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PIN CONFIGURATIONS
X
Y
SNSGND
NC
AD0
-
-
TSC2004
16
17
18
19
20
10
9
8
7
6
ThermalPad
1
2
3
4
5
15
14
13
12
11
AGND
AUX
NC
I/OVDD
DGND
Columns
(FRONT
VIEW)
A
C
E
B
D
NC
AD1
SNSGND
NC
DGND
4
NC
NC
Y
-
I/OVDD
3
SUBGND
NC
X
-
AUX
2
X+
VREF
Y+
SNSVDD
AGND
1
SDA
PINTDAV
AD0
SCL
RESET
5
NC
TSC2004
SBAS408E – JUNE 2007 – REVISED MARCH 2008
RTJ PACKAGE(1)
YZK PACKAGE
QFN-20
WCSP-18
(TOP VIEW)
(TOP VIEW, SOLDER BUMPS ON BOTTOM SIDE)
(1)
The thermal pad is internally connected to
SUBGND.
The
thermal
pad
can
be
connected to the analog ground or left
floating. Keep the thermal pad separate
from the digital ground, if possible.
PIN ASSIGNMENTS
PIN NO.
PIN
QFN
WCSP
NAME
I/O
A/D
DESCRIPTION
1
D1
SDA
I/O
D
Serial data I/O
2
C1
SCL
I
D
Serial clock.
3
B2
AD1
I
D
Address input bit 1
4
A1
PINTDAV
O
D
Interrupt output. Data available or PENIRQ, depending on setting. Pin polarity with active low.
5
B1
RESET
I
D
System reset. All register values reset to default values.
6
A2
DGND
Digital ground
7
A3
I/OVDD
Digital I/O interface voltage
B3, B4,
No internal connection, but solder bumps are populated. These pins may be connected to analog ground
8, 19
C2, C3,
NC
for mechanical stability.
D2, D3
9
A4
AUX
I
A
Auxiliary channel input
10
A5
AGND
Analog ground
11
B5
VREF
I
A
External reference input
12
C5
SNSVDD
Power supply for sensor drivers and other analog blocks.
13
D5
X+
I
A
X+ channel input
14
E5
Y+
I
A
Y+ channel input
15
D4
SUBGND
Substrate ground (for ESD current). Connection to AGND (on the PCB) is recommended.
16
E4
X–
I
A
X– channel input
17
E3
Y–
I
A
Y– channel input
18
E2
SNSGND
Sensor driver return
20
E1
AD0
I
D
Address input bit 0
—
C4
NC
No solder bump for this location.
Copyright © 2007–2008, Texas Instruments Incorporated
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5
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