SX8658IWLTRT Semtech, SX8658IWLTRT Datasheet - Page 6

• Manufacturer Part Number: SX8658IWLTRT
• Description: 58T7572
• Manufacturer: Semtech

Specifications of SX8658IWLTRT

• Controller Type: Resistive Touch Screen
• Ic Interface Type: I2C, Serial
• Supply Voltage Range: 2.3V To 3.6V
• Operating Temperature Range: -40°C To +85°C
• Resolution (bits): 12bit

ADVANCED COMMUNICATIONS & SENSING
1.3
1.4
Rev 1 – 25
AUX1/WIPER
MOUTP
MOUTN
MGND
MVDD
X+/BR
Y+/TR
Pin Description
VREG
ADDR
NRST
Block Diagram
Name
AUX2
AUX3
NIRQ
X-/TL
Y-/BL
GND
VDD
SDA
SCL
MIN
A/D/I/O/P: Analog/Digital/Power/Input/Output
th
July 2011
Type
DIO
D/A
D/A
D/A
DO
AO
AO
DI
DI
DI
DI
P
P
P
P
P
A
A
A
A
Description
Main Power Supply
Main Ground
Internal Regulator Output (must be connected to an external capacitor; see § 13)
Haptics Motor Power Supply
Haptics Motor Ground (must be electrically connected to GND)
Haptics Motor Positive Drive
Haptics Motor Negative Drive
Haptics Motor PWM/Clock Input
Second Programmable Auxiliary Function (see § 9)
Third Programmable Auxiliary Function (see § 9)
I2C Address Selection (QFN only, internally connected to GND on CSP)
I2C Clock Input
I2C Data Input/Output
Interrupt Output (active low)
Reset Input (active low)
4-wire Touchscreen : X+ Electrode
5-wire Touchscreen : Bottom Right (BR) Electrode
4-wire Touchscreen : Y+ Electrode
5-wire Touchscreen : Top Right (TR) Electrode
4-wire Touchscreen : X- Electrode
5-wire Touchscreen : Top Left (TL) Electrode
4-wire Touchscreen : Y- Electrode
5-wire Touchscreen : Bottom Left (BL) Electrode
4-wire Touchscreen : First Programmable Auxiliary Function (see § 9)
5-wire Touchscreen : WIPER Electrode
Figure 5 – SX8657 Block Diagram
Table 1 – Pin Description
Resistive Touchscreen Controller with Proximity Sensing
6
SX8657/SX8658
Haptics Enabled 4/5-Wire
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