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