Owner's manual

2
9509AS–AT42–10/08
QT5320
1. Pinout and Schematic
1.1 Pinout Configuration
1.2 Pin Descriptions
Table 1-1. Pin Listing
Pin Name Type Comments If Unused, Connect To...
1 Y3A I Y line connection Leave open
2 CHANGE OD State change notification –
3 Vss P Supply ground –
4 Vdd P Power –
5 Vss P Supply ground –
6 Vdd P Power –
7 X6 O X matrix drive line Leave open
8 X7 O X matrix drive line Leave open
9 TRIGGER I Trigger input (active low) Vdd or Vss
10 Vref I Supply ground –
11 SMP O Sample output. –
12 X0 O X matrix drive line Leave open
13 X1 O X matrix drive line Leave open
14 X2 O X matrix drive line Leave open
15 X3 O X matrix drive line Leave open
16 X4 O X matrix drive line Leave open
17 X5 O X matrix drive line Leave open
Y2A
Y1A
Y0A
RST
SCL
SDA
Y3B
Y2B
TRIGGER VREF SMP X0 X1 X2 X3 X4
Y3A
CHANGE
Vss
Vdd
Vss
Vdd
X6
X7 X5
Vdd
Vdd
Vss
A0
Y0B
Y1B
1
2
3
4
5
6
7
817
18
19
20
21
22
23
24
32
31
30
29
28
27
26
25
9
10
11
16
15
14
13
12
QT5320
FORCE_S