Datasheet
2
9502A–AT42–07/08
AT42QT2160
2. Pinout and Pin Listing Description
2.1 Pinout Description
2.2 Pin Listing Description
GPIO1
Y1A
Y0A
RST
VRef
X0
X2
GPIO2
GPIO3
VSS
VDD
X6
VSS
Y0B
Y1B
1
2
3
4
5
6
715
16
17
18
19
20
21
28
27
26
25
24 23
22
89 1413
12
11
10
QT2160
X7
CHANGE
X3
X4
VDD
I2CA0
SMP
X1
X5
VDD
I2CA1
SDA
SCL
Table 2-1.Pin Listing
Pin Function I/O Comments
If Unused,
Connect To...
1 GPIO2 I/O General purpose input/output 2 -
2 GPIO3 I/O General purpose input/output 3 -
3 Vdd P Power -
4 Vss P Supply ground -
5 X6 O X matrix drive line / shared GPO X6 Leave open
6 X7 O X matrix drive line / shared GPO X7 Leave open
7 CHANGE
OD State change notification Leave open
8 Vref P Supply ground -
9 SMP O Sample output. -
10 X0 O X matrix drive line / shared GPO X0 Leave open
11 X1 O X matrix drive line / shared GPO X1 Leave open
12 X2 O X matrix drive line / shared GPO X2 Leave open
13 X3 O X matrix drive line / shared GPO X3 Leave open