CAP1088 datasheet(10/72 Pages) SMSC

Numer części	CAP1088

Szczegółowy opis	8 Channel Capacitive Touch Sensor with 8 LED Drivers

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Producent	SMSC [SMSC Corporation]

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8 Channel Capacitive Touch Sensor with 8 LED Drivers

Datasheet

Revision 1.1 (08-05-09)

10

SMSC CAP1088

DATASHEET

The pin types are described in detail below. All pins labeled with (5V) are 5V tolerant.

APPLICATION NOTE: For the 5V tolerant pins that have a pull-up resistor, the pull-up voltage must not exceed 3.6V

when the CAP1088 is unpowered.

APPLICATION NOTE: The SPI_CS# pin should be grounded when SMBus, I2C, or BC-Link communications are

used.

18

CS5

Capacitive Touch Sensor 5

AIO

19

CS4

Capacitive Touch Sensor 4

AIO

20

CS3

Capacitive Touch Sensor 3

AIO

21

CS2

Capacitive Touch Sensor 2

AIO

22

CS1

Capacitive Touch Sensor 1

AIO

23

VDD

Positive Power supply

Power

24

RESET

Active high soft reset for system - resets all registers to

default values. This pin contains an internal 50uA pull-down

current.

DI (5V)

Bottom Pad

GND

Ground

Power

Table 1.2 Pin Types

PIN TYPE

DESCRIPTION

Power

This pin is used to supply power or ground to the

device.

DI

Digital Input - This pin is used as a digital input. This

pin is 5V tolerant.

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 a

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.

OD

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.

DO

Push-pull Digital Output - This pin is used as a digital

output and can sink and source current.

DIO

Push-pull Digital Input / Output - This pin is used as an

I/O for digital signals.

Table 1.1 Pin Description for CAP1088 (continued)

NUMBER

PIN NAME

PIN FUNCTION

PIN TYPE

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Podobny numer części - CAP1088

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