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PDF CAP1014 Data sheet ( Hoja de datos )
| Número de pieza | CAP1014 | |
| Descripción | Multiple Channel Capacitive Touch Sensor and LED Driver | |
| Fabricantes | SMSC Corporation | |
| Logotipo |  |
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CAP1014
Multiple Channel Capacitive
Touch Sensor and LED Driver
PRODUCT FEATURES
Datasheet
General Description
The CAP1014 is a multiple channel Capacitive Touch
sensor and LED Driver.
The CAP1014 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.
The CAP1014 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.
Applications
Consumer Electronics
Desktop and Notebook PC’s
LCD Monitors
Features
Fourteen (14) Capacitive Touch Sensor inputs
— Programmable sensitivity
— High SNR allows for easy tuning
— Automatic recalibration
— Slider Acceleration Detection
— Slider positional detection
Low Power operation
— 150uA quiescent current in Deep Sleep
— 250uA quiescent current in Sleep mode while
monitoring 2 buttons.
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
— Block Read and Write function for quick tasking
Eleven (11) LED Driver outputs
— 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
Block Diagram
LED2
LED4
LED6
LED8 LED10
LED1
LED3
LED5
LED7
LED9 LED11
RESET
VDD GND
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LED Blink, Breathe, and Dimness control
Capacitive Sensing Algorithm
SMBus
Slave
Protocol
SMCLK
SMDATA
ALERT
CS1 CS3
CS5
CS7
CS9
CS11
CS13
CS2 CS4
CS6
CS8
CS10
CS12
CS14
SMSC CAP1014
DATASHEET
Revision 1.65 (08-11-09)
1 page  
Multiple Channel Capacitive Touch Sensor and LED Driver
Datasheet
5.44 LED Pulse Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
5.45 LED Pulse and Breathe Duty Cycle Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
5.46 LED Direct Ramp Rates Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
5.47 LED Off Delay Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
5.48 Product ID Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
5.49 Revision Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Chapter 6 Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
6.1 Package Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
6.2 Package Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Chapter 7 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
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SMSC CAP1014
5
DATASHEET
Revision 1.65 (08-11-09)
5 Page 
Multiple Channel Capacitive Touch Sensor and LED Driver
Datasheet
Table 1.1 Pin Description for CAP1014 (continued)
PIN NUMBER
23
24
25
26
27
28
29
30
31
32
Bottom Plate
PIN NAME
RESET
N/C
N/C
CS1
CS2
CS3
CS4
CS5
CS6
CS7
GND
PIN FUNCTION
Soft reset for system - resets all registers to
default values
Not Connected - connect to gnd
Not Connected - connect to gnd
Capacitive Touch Sensor 1
Capacitive Touch Sensor 2
Capacitive Touch Sensor 3
Capacitive Touch Sensor 4
Capacitive Touch Sensor 5
Capacitive Touch Sensor 6
Capacitive Touch Sensor 7
Power Ground
PIN TYPE
DI (5V)
N/A
N/A
AIO
AIO
AIO
AIO
AIO
AIO
AIO
Power
The pin types are described in detail below. All pins labelled with (5V) are 5V tolerant.
Note: For all 5V tolerant pins that require a pull-up resistor, the voltage difference between VDD and
the pull-up voltage must never exceed 3.6V.
Table 1.2 Pin Types
PIN TYPE
Power
DI
DIO
AIO
DIOD
OD
DO
DESCRIPTION
This pin is used to supply power or ground to the device.
Digital Input - this pin is used as a digital input. This pin is 5V tolerant.
Digital Input Output - this pin is used as a digital input / output.
Analog Input / Output - this pin is used as an I/O for analog signals.
Digital Input / Open Drain Output - this pin is used as an digital I/O. When it is used as an
output, It is open drain and requires a pull-up resistor. This pin is 5V tolerant.
Open Drain Digital Output - this pin is used as a digital output. It is open drain and requires
a pull-up resistor. This pin is 5V tolerant.
Push-pull Digital Output - this pin is used as a digital output and can sink and source current
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SMSC CAP1014
11
DATASHEET
Revision 1.65 (08-11-09)
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CAP1014.PDF ] | |
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