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CAP1114-1-EZK-TR PDF预览

CAP1114-1-EZK-TR

更新时间: 2024-11-27 01:17:51
品牌 Logo 应用领域
美国微芯 - MICROCHIP 驱动接口集成电路
页数 文件大小 规格书
102页 1693K
描述
Multiple Channel Capacitive Touch Sensor and LED Driver

CAP1114-1-EZK-TR 数据手册

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CAP1114  
Multiple Channel Capacitive  
Touch Sensor and LED Driver  
Datasheet  
PRODUCT FEATURES  
General Description  
Features  
„
Fourteen (14) capacitive touch sensor inputs  
The CAP1114, which incorporates SMSC’s  
TM1  
Compensates for variable sensor capacitance  
RightTouch  
technology, is a multiple channel  
Programmable sensitivity  
High SNR allows for easy tuning  
Automatic recalibration  
Slider acceleration detection  
Slider positional detection  
Proximity detection  
Capacitive Touch sensor and LED Driver.  
The CAP1114 contains up to fourteen (14) individual  
Capacitive Touch sensor inputs with programmable  
sensitivity for use in touch button and slider switch  
applications. Each sensor also contains automatic  
recalibration with programmable time delays.  
„
„
Lid closure detection  
Low power operation  
The CAP1114 also includes internal circuitry to  
compensate for design and parasitic variance in un-  
touched capacitance on sensors.  
4.5uA quiescent current in Deep Sleep  
200uA quiescent current in Sleep while monitoring 1  
button  
„
„
„
„
Alert to signal touch to host processor  
User controlled reset  
Low external component count  
SMBus 2.0 compliant interface to change operating  
parameters to work in a wide variety of systems  
The CAP1114 also contains eleven (11) low side LED  
drivers that offer full-on / off, variable rate blinking,  
dimness controls, and breathing. Capacitive buttons can  
be linked to LED outputs.  
Block Read and Write function for quick tasking  
Applications  
„
Eleven (11) LED driver outputs  
„
„
„
Consumer Electronics  
Desktop and Notebook PCs  
LCD Monitors  
Programmable blink, breathe, and dimness controls  
8 configurable as GPIOs  
Buttons can be linked to LED responses  
„
„
Development boards and software available  
Available in 32-pin 5mm x 5mm QFN Lead-free  
RoHS Compliant package  
1. SMSC and the SMSC logo are registered trademarks and SMSC  
RightTouch and the RightTouch logo are trademarks of Standard  
Microsystems Corporation (“SMSC”).  
Block Diagram  
LED2  
LED4  
LED6  
LED8  
LED10  
LED9 LED11  
GND  
VDD  
LED1  
LED3  
LED5  
LED7  
RESET  
SMCLK  
SMBus  
Slave  
Protocol  
LED Blink, Breathe, and Dimness control  
Capacitive Sensing Algorithm  
SMDATA  
ALERT  
CS1  
CS3  
CS5  
CS7  
CS9  
CS11  
CS10  
CS13  
CS12 CS14  
CS2  
CS4  
CS6  
CS8  
SMSC CAP1114  
DATASHEET  
Revision 1.1 (02-04-11)  

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