qt60248 Quantum Research Group, qt60248 Datasheet - Page 8

• Manufacturer Part Number: qt60248
• Description: 16, 24 Key Qmatrix? Ics
• Manufacturer: Quantum Research Group

2.17 Wiring
Table 2.2 - Pin Listing
lQ
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
Function
S_Sync
DRDY
SYNC
MOSI
MISO
SMP
/RST
SCK
Y0B
Y1B
Y2B
Y0A
Y1A
Y2A
Vdd
Vdd
Vref
Vdd
Vdd
Vss
Vss
/SS
Vss
NC
X3
X4
X5
X6
X7
X0
X1
X2
N/A
I/O
O
O
O
O
O
O
O
O
O
O
O
O
P
P
P
P
P
P
P
I
I
I
I
I
I
I
I
I
I
I
I
X3 matrix drive line
X4 matrix drive line
Supply ground
Power, +3 ~ +5V
Supply ground
Power, +3 ~ +5V
X5 matrix drive line
X6 matrix drive line
X7 matrix drive line
0.05V nominal +/-10% via external divider
Scope Sync: Synchronization test signal output
Sample drive output
1= Comms ready;
SPI slave select;
SPI data input
SPI data output
SPI clock input
Power, +3 ~ +5V
Mains sync input
Power, +3 ~ +5V
Supply ground
Not used
Y0B line connection
Y1B line connection
Y2B line connection
Y0A line connection
Y1A line connection
Y2A line connection
Reset low;
X0 matrix drive line
X1 matrix drive line
X2 matrix drive line
has internal 20K ~ 50K pull-up
has internal 20K ~ 50K pull-up
has internal 30K ~ 80K pull-up
Comments
8
If Unused, Connect To..
Leave open or Vdd
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
QT60248-AS R4.02/0405
Vdd
-
-
-
-
-
-
-
-
-
-
-
-
-
-