CAP1088-1-CP-TR Standard Microsystems (SMSC), CAP1088-1-CP-TR Datasheet

CAP1088-1-CP-TR

Manufacturer Part Number

CAP1088-1-CP-TR

Description

Manufacturer

Standard Microsystems (SMSC)

Datasheet

1.CAP1088-1-CP-TR.pdf (6 pages)

Specifications of CAP1088-1-CP-TR

Lead Free Status / Rohs Status

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PRODUCT FEATURES

General Description

The CAP1088 is a multiple channel Capacitive Touch

sensor with multiple power LED drivers. It contains eight

(8) individual Capacitive Touch sensor inputs with

programmable sensitivity for use in touch sensor

applications. Each sensor automatically recalibrates to

compensate for gradual environmental changes.

The CAP1088 also contains eight (8) LED drivers that

offer full-on / off, variable rate blinking, dimness controls,

and breathing. Each of the LED drivers may be linked to

one of the sensors to be actuated when a touch is

detected. As well, each LED driver may be individually

controlled via a host controller.

The CAP1088 offers multiple power states operating at

low quiescent currents.

During the Standby mode of operation, one or more

Capacitive Touch Sensors are active and all LEDs may

be used. If a touch is detected, it will wake the system

using the WAKE/SPI_MOSI pin.

The Deep Sleep mode of operation is the lowest power

state available, drawing 3uA of current. During this

mode, no sensors are active although all LEDs may be

u s e d . D r i v i n g t h e WA K E / S P I _ M O S I p i n o r

communications will wake the device.

SMSC CAP1088

LED1

LED5 LED6 LED7 LED8

Note:

LED Driver, Breathe,

and Dimness control

LED2 LED3 LED4

C is a trademark of NXP Semiconductors. SMSC BC-Link is a trademark of SMSC.

CS1 CS2 CS3 CS4 CS5 CS6

RESET

Capacitive Sensing Algorithm

PRODUCT PREVIEW

Block Diagram

8 Channel Capacitive Touch

Sensor with 8 LED Drivers

VDD

CS7 CS8

Applications

Features

GND

Desktop and Notebook PCs

LCD Monitors

Printers

Appliances

Eight (8) Capacitive Touch Sensor Inputs

Flexible Capacitive Touch Sense algorithm

Multiple Communication interfaces

Low Power operation

Eight (8) LED Driver Outputs

Dedicated Wake output flags touches in low power

System RESET pin

Available in 24-pin 4mm x 4mm RoHS compliant

— Programmable sensitivity

— Automatic recalibration

— Individual thresholds for each button

— SMBus / I

— SMSC BC-Link interface

— SPI communications

— Pin selectable communications protocol and multiple

— 3uA quiescent current in Deep Sleep

— Samples one or more channels in Standby

— Open Drain or Push-Pull

— Programmable blink, breathe, and dimness controls

— Can be linked to Capacitive Touch Sensors

mode

QFN package

CAP1088

slave addresses (SMBus / I

WAKE / SPI_MOSI

SMBus /

BC-Link

Protocol

or SPI

Slave

C compliant interface

SPI_CS#

SMCLK / BC_CLK /

SPI_CLK

SMDATA / BC_DATA /

SPI_MSIO / SPI_MISO

ALERT# / BC_IRQ#

ADDR_COMM

C only)

Revision 1.2 (11-25-09)

Data Brief

Related parts for CAP1088-1-CP-TR

CAP1088-1-CP-TR Summary of contents

Page 1

... Each sensor automatically recalibrates to compensate for gradual environmental changes. The CAP1088 also contains eight (8) LED drivers that offer full-on / off, variable rate blinking, dimness controls, and breathing. Each of the LED drivers may be linked to one of the sensors to be actuated when a touch is detected ...

Page 2

... ORDERING NUMBER CAP1088-1-CP-TR This product meets the halogen maximum concentration values per IEC61249-2-21 For RoHS compliance and environmental information, please visit 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123 Copyright © 2009 SMSC or its subsidiaries. All rights reserved. Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for construction purposes is not necessarily given ...

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CAP1088-1-CP-TR datasheet download

CAP1088-1-CP-TR Standard Microsystems (SMSC), CAP1088-1-CP-TR Datasheet

CAP1088-1-CP-TR

Specifications of CAP1088-1-CP-TR

Related parts for CAP1088-1-CP-TR

CAP1088-1-CP-TR Summary of contents

Page 1

Page 2

Page 3

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Page 5

Page 6

Related keywords