CAP1114 datasheet(14/102 Pages) MICROCHIP

14 / 102 page

Multiple Channel Capacitive Touch Sensor and LED Driver

Datasheet

Revision 1.1 (02-04-11)

SMSC CAP1114

DATASHEET

The pin types are described in Table 2.2, "Pin Types". All pins labeled 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.

N/C

Not Connected - connect to gnd

N/A

N/C

Not Connected - connect to gnd

N/A

CS1

Capacitive Touch Sensor 1

AIO

CS2

Capacitive Touch Sensor 2

AIO

CS3

Capacitive Touch Sensor 3

AIO

CS4

Capacitive Touch Sensor 4

AIO

CS5

Capacitive Touch Sensor 5

AIO

CS6

Capacitive Touch Sensor 6

AIO

CS7

Capacitive Touch Sensor 7

AIO

Bottom Plate

GND

Power Ground

Power

Table 2.2 Pin Types

PIN TYPE

DESCRIPTION

Power

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.

DIO

Digital Input Output - this pin is used as a digital input / output.

AIO

Analog Input / Output - this pin is used as an I/O for analog signals.

DIOD

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.

Table 2.1 Pin Description for CAP1114 (continued)

PIN NUMBER

PIN NAME

PIN FUNCTION

PIN TYPE

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