AT42QT1060_14 Datasheet, PDF (3/36 Pages) ATMEL Corporation – Six-channel QTouch Touch Sensor IC

Table 1-1. Pin Allocation (Continued)
Pin
Name
Type Description
14
SNS4
I/O To Cs Capacitor
15
SNS5
I/O To Cs Capacitor
16
VDD
P
Positive power pin
17
VDD
P
Positive power pin
18
VSS
P
Ground power pin
19
IO0
I/O I/O Port Pin 0
20
IO1
I/O I/O Port Pin 1
21
IO2
I/O I/O Port Pin 2
22
CHG
OD Change line
23
SDA
OD I²C Data line
24
SCL
OD I²C Clock Line
25
RST
I
Reset, active low
26
IO3
I/O I/O Port Pin 3
27
IO4
I/O I/O Port Pin 4
28
SNS0K
I/O To Cs capacitor and to key
If Unused, Connect To...
Leave open
Leave open
Leave open and set as output
Leave open and set as output
Leave open and set as output
Leave open
Resistor to Vdd or
Vss only in standalone mode
Resistor to Vdd or
Vdd only in standalone mode
Vdd
Leave open and set as output
Leave open and set as output
Leave open
I Input only
OD Open drain output
O
Output only, push-pull
P
Ground or power
I/O Input/output
AT42QT1060 [DATASHEET]
3
9505G–AT42–05/2013