qt60326 Quantum Research Group, qt60326 Datasheet - Page 10

• Manufacturer Part Number: qt60326
• Description: 32 & 48 Key Qmatrix Ics
• Manufacturer: Quantum Research Group

Figure 2.7 Wiring Diagram
Note:
)
Vunreg
Use either UART or SPI comm port but not both. Device defaults to SPI communications but if it receives a UART byte at
any time, locks into UART mode instead. See Table 2.2 for connections when pins are unused.
+
4.7uF
+5V VREG
WAKE
SYNC
16 MHz 3-TERM
SCLK
MOSI
MISO
DRDY
RESONATOR
/SS
Rx
Tx
4.7K
4.7uF
SCOPE
+
VDD
VDD
100nF
43 S_SYNC
44 SS
10 Tx
11 WS
41
40
18
39
28
1
2
3 SCK
9 Rx
4
8
7
6
100nF
10K
100
RST
MOSI
MISO
DRDY
LED
XT1
XT2
Vss
Vss
Vss
Vss
QT60326
QT60486
100nF
Y0A
Y0B
Y1A
Y1B
Y2A
Y2B
Y3A
Y3B
Y4A
Y4B
Y5A
Y5B
X7
X6
X5
X4
X3
X2
X1
X0
26
25
24
23
30
31
32
33
34
35
36
37
22
21
20
19
16
15
14
13
10
RS5
Note 1
Note 1
Note 1
Note 1
RS4
RS3
RX7
RX3
RS2
RS1
1K
1K
RX6
RX2
RS0
1K
1K
CS0
CS1
CS2
CS3
CS4
CS5
RX5
RX1
Note 1: Leave Y4A, Y4B, Y5A, Y5B
4.7nF
4.7nF
4.7nF
4.7nF
4.7nF
4.7nF
QT60486-AS R8.01/0105
unconnected for QT60326
1K
1K
RX4
RX0
RY0
RY1
RY2
RY3
RY4
RY5
1K
1K
1K
1K
1K
1K
1K
1K
X7
X6
X5
X4
X3
X2
X1
X0
Y0
Y1
Y2
Y3
Y4
Y5