SX8645I05AWLTRT Semtech, SX8645I05AWLTRT Datasheet - Page 2

• Manufacturer Part Number: SX8645I05AWLTRT
• Description: 12-ch Capacitive Touch Solution (Button & Wheel)
• Manufacturer: Semtech

ADVANCED COMMUNICATIONS & SENSING
G
T
K
A
O
1
2
3
Revision 7_5, February 10
YPICAL
EY
PPLICATIONS
ENERAL
RDERING
1.1
1.2
1.3
1.4
1.5
2.1
2.2
2.3
2.4
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
3.15
P
G
E
F
3.2.1
3.2.2
3.2.3
3.2.4
3.6.1
3.6.2
3.14.1
3.14.2
3.14.3
3.15.1
3.15.2
3.15.3
RODUCT
UNCTIONAL DESCRIPTION
LECTRICAL
ENERAL
A
Pin Diagram
Marking information
Pin Description
Simplified Block Diagram
Acronyms
Absolute Maximum Ratings
Recommended Operating Conditions
Thermal Characteristics
Electrical Specifications
Quickstart Application
Introduction
Scan Period
Operation modes
Sensors on the PCB
Button and Wheel Information
Analog Sensing Interface
Offset Compensation
Processing
Configuration
Power Management
Clock Circuitry
I2C interface
Reset
Interrupt
D
PPLICATION CIRCUIT
I
ESCRIPTION
NFORMATION
General
GPIOs
Parameters
Configuration
Button Information
Wheel Information
Power up
RESETB
Software Reset
Power up
Assertion
Clearing
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F
D
EATURES
ESCRIPTION
C
HARACTERISTICS
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Touch Controller (12 sensors) with Enhanced LED Drivers
© 2010 Semtech Corp.
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Table of Contents
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Ultra Low Power, Capacitive Button and Wheel
DATASHEET
www.semtech.com
SX8645
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