AT42QT1110-AZ View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT42QT1110-AZ

11-key QTouch® Touch Sensor IC

Atmel Corporation 

Table 1-1. Pin Listing (Continued)

Pin

Name

Type Comments

If Unused, Connect To...

12

SNS5

I/O Sense Pin

Leave open

13

SNS5K

I/O Sense Pin

Leave open

14

SS

I Enable SPI

Vss via 100 k resistor to enable SPI

Vdd via 100 k resistor to disable SPI

15

MOSI

I SPI Data In

Leave open

16

MISO

O SPI Data Out

Leave open

17

SCK

I SPI Clock

Leave open

18

Vdd

P Power

–

19

SNS6K

I/O Sense Pin

Leave open

20

SNS6

I/O Sense Pin

Leave open

21

Vss

P Supply Ground

–

22

SNS7K/DETECT0

I/O Sense Pin/Key Status Indicator

Leave open

23

SNS7/DETECT1

I/O Sense Pin/Key Status Indicator

Leave open

24

SNS8/DETECT2

I/O Sense Pin / Key Status Indicator Leave open

25 SNS8K/DETECT3 I/O Sense Pin / Key Status Indicator Leave open

26

SNS9/DETECT4

I/O Sense Pin / Key Status Indicator Leave open

27 SNS9K/DETECT5 I/O Sense Pin / Key Status Indicator Leave open

28

CHANGE

OD Touch Event Indicator

Leave open

29

RESET

I Reset

Vdd

30 SNS10/DETECT6 I/O Sense Pin / Key Status Indicator Leave open

31

SNS10K/SYNC

I/O Sense Pin / Synchronization Input Vdd or Vss via 100 k resistor

32

SNS0

I/O Sense Pin

Leave open

I Input only

I/O

O Output only, push-pull OD

Input and output

Open drain output

P

Ground or power

AT42QT1110-MZ / AT42QT1110-AZ [DATASHEET]

4

9570J–AT42–05/2013

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