sx8643 Semtech Corporation, sx8643 Datasheet - Page 3

• Manufacturer Part Number: sx8643
• Description: Ultra Low Power, Capacitive Button Touch Controller 12 Sensors With Enhanced Led Drivers
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
4
5
6
7
8
Revision 7_5, February 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
6.1
6.2
6.3
6.4
6.5
6.6
6.7
8.1
8.2
3.16.1
3.16.2
3.16.3
3.16.4
3.16.5
P
D
I2C I
6.6.1
6.6.2
A
P
IN DESCRIPTIONS
ETAILED
PPLICATION
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
Mapping Parameters
GPIO Parameters
I2C Write
I2C read
I2C Registers Overview
Status Registers
Control Registers
SPM Gateway Registers
NVM burn
Package Outline Drawing
Land Pattern
NTERFACE
Introduction and Definitions
GPI
GPP
GPO
Intensity index vs PWM pulse width
SPM Write Sequence
SPM Read Sequence
C
ONFIGURATION DESCRIPTIONS
I
NFORMATION
I
NFORMATION
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© 2010 Semtech Corp.
Ultra Low Power, Capacitive Button Touch Controller
3
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(12 sensors) with Enhanced LED Drivers
DATASHEET
www.semtech.com
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