sx8639 Semtech Corporation, sx8639 Datasheet - Page 3

• Manufacturer Part Number: sx8639
• Description: Low Power, Capacitive Button And Wheel Touch Controller 8 Sensors With Enhanced Led Drivers And Proximity Sensing
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
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Revision 7_8, September 10
3.16
3.17
4.1
4.2
4.3
4.4
4.5
5.1
5.2
5.3
5.4
5.5
5.6
5.7
6.1
6.2
6.3
6.4
6.5
6.6
6.7
7.1
7.2
9.1
9.2
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I2C I
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7.2.1
7.2.2
7.2.3
7.2.4
7.2.5
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P
IN DESCRIPTIONS
ETAILED
PPLICATION
EFERENCES
ACKAGING
General Purpose Input and Outputs
Smart Wake Up
Introduction
ASI pins
Host interface pins
Power management pins
General purpose IO pins
Introduction
General Parameters
Capacitive Sensors Parameters
Button Parameters
Wheel Parameters
Mapping Parameters
GPIO Parameters
I2C Write
I2C read
I2C Registers Overview
Status Registers
Control Registers
SPM Gateway Registers
NVM burn
Typical Application Schematic
Example of Touch+Proximity Module
Package Outline Drawing
Land Pattern
NTERFACE
Example
Introduction and Definitions
GPI
GPP
GPO
Intensity index vs PWM pulse width
SPM Write Sequence
SPM Read Sequence
Overview
Operation
Performance
Schematics
Layout
C
ONFIGURATION DESCRIPTIONS
I
NFORMATION
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NFORMATION
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(8 sensors) with Enhanced LED Drivers and Proximity Sensing
© 2010 Semtech Corp.
Low Power, Capacitive Button and Wheel Touch Controller
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DATASHEET
www.semtech.com
SX8639
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