SX8663 datasheet(3/64 Pages) SEMTECH

3 / 64 page

ADVANCED COMMUNICATIONS & SENSING

Rev5 4

th August 2011

www.semtech.com

SX8663

Capacitive Button Matrix (up to 36) and Proximity Controller

with Individual LED Drivers and Buzzer Output

3.14.2

RESETB

3.14.3

Software Reset

3.15

General Purpose Input and Outputs

3.15.1

GPO

3.15.2

Fading Modes

3.15.3

Intensity index vs PWM pulse width

3.15.4

Tri-State Multiplexing (TSM)

PIN DESCRIPTIONS ..................................................................................................................... 30

4.1

Introduction

4.2

ASI pins

4.3

Host interface pins

4.4

Power management pins

4.5

General purpose IO pins

DETAILED CONFIGURATION DESCRIPTIONS .............................................................................. 36

5.1

Introduction

5.2

General Parameters

5.3

Capacitive Sensors Parameters

5.4

Buttons (MK and PK) Parameters

5.5

Proximity (PS) Parameters

5.6

Buzzer Parameters

5.7

GPIO Parameters

I2C INTERFACE........................................................................................................................... 51

6.1

I2C Write

6.2

I2C read

6.3

I2C Registers Overview

6.4

Status Registers

6.5

Control Registers

6.6

SPM Gateway Registers

6.6.1

SPM Write Sequence

6.6.2

SPM Read Sequence

6.7

NVM burn

APPLICATION INFORMATION ...................................................................................................... 61

REFERENCES ............................................................................................................................. 62

PACKAGING INFORMATION ........................................................................................................ 63

9.1

Package Outline Drawing

9.2

Land Pattern

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