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SX8634I05AWLTRT Datasheet(PDF) 3 Page - Semtech Corporation |
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SX8634I05AWLTRT Datasheet(HTML) 3 Page - Semtech Corporation |
3 / 80 page ADVANCED COMMUNICATIONS & SENSING DATASHEET Revision 7_6, October 10 © 2010 Semtech Corp. www.semtech.com 3 SX8634 Low Power, Capacitive Button and Slider Touch Controller (12 sensors) with Enhanced LED Drivers and Proximity Sensing 3.15.4 Example 25 3.16 General Purpose Input and Outputs 25 3.16.1 Introduction and Definitions 25 3.16.2 GPI 26 3.16.3 GPP 26 3.16.4 GPO 27 3.16.5 Intensity index vs PWM pulse width 30 3.17 Smart Wake Up 31 4 PIN DESCRIPTIONS ..................................................................................................................... 32 4.1 Introduction 32 4.2 ASI pins 32 4.3 Host interface pins 33 4.4 Power management pins 36 4.5 General purpose IO pins 37 5 DETAILED CONFIGURATION DESCRIPTIONS .............................................................................. 38 5.1 Introduction 38 5.2 General Parameters 41 5.3 Capacitive Sensors Parameters 42 5.4 Button Parameters 47 5.5 Slider Parameters 51 5.6 Mapping Parameters 55 5.7 GPIO Parameters 58 6 I2C INTERFACE........................................................................................................................... 62 6.1 I2C Write 62 6.2 I2C read 63 6.3 I2C Registers Overview 64 6.4 Status Registers 65 6.5 Control Registers 68 6.6 SPM Gateway Registers 70 6.6.1 SPM Write Sequence 71 6.6.2 SPM Read Sequence 72 6.7 NVM burn 73 7 APPLICATION INFORMATION ...................................................................................................... 74 7.1 Typical Application Schematic 74 7.2 Example of Touch+Proximity Module 75 7.2.1 Overview 75 7.2.2 Operation 75 7.2.3 Performance 75 7.2.4 Schematics 76 7.2.5 Layout 77 8 REFERENCES ............................................................................................................................. 78 9 PACKAGING INFORMATION ........................................................................................................ 79 9.1 Package Outline Drawing 79 9.2 Land Pattern 79 |
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