CAP1208 datasheet(8/67 Pages) MICROCHIP

8 / 67 page

8-Channel Capacitive Touch Sensor

Datasheet

DS00001570B-page 8

 2014 Microchip Technology Inc.

Chapter 1 Pin Description

Figure 1.1 CAP1208 Pin Diagram (16-Pin QFN)

Table 1.1 Pin Description for CAP1208

NUMBER

PIN NAME

PIN FUNCTION

PIN TYPE

UNUSED

CONNECTION

1ALERT#

ALERT# - Active low alert / interrupt output for SMBus

alert

Connect to

Ground

2SMDATA

SMDATA - Bi-directional, open-drain SMBus or I2C data

- requires pull-up resistor

DIOD

n/a

3SMCLK

SMCLK - SMBus or I2C clock input - requires pull-up

resistor

n/a

VDD

Positive Power supply

Power

n/a

N/C

Not internally connected

n/a

Connect to

Ground

N/C

Not internally connected

n/a

Connect to

Ground

GND

Ground

Power

n/a

GND

Ground

Power

n/a

CS8

Capacitive Touch Sensor Input 8

AIO

Connect to

Ground

CS7

Capacitive Touch Sensor Input 7

AIO

Connect to

Ground

VDD

SMCLK

SMDATA

CS7

CS5

CS6

CS8

Exposed pad

ALERT#

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