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QT1101 Datasheet(PDF) 3 Page - Quantum Research Group

Part # QT1101
Description  10 KEY QTOUCH SENSOR IC
Download  16 Pages
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Manufacturer  QUANTUM [Quantum Research Group]
Direct Link  http://www.qprox.com
Logo QUANTUM - Quantum Research Group

QT1101 Datasheet(HTML) 3 Page - Quantum Research Group

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1.1 Wiring
Table 1.1 Pinlist
Vdd
Input for 2W mode
2W Receive
I
RX
32
32
-
Requires pull-up to Vdd
1W mode serial I/O
I/OD
1W
31
31
100K
✡ resistor to Vss
0 = a key state has changed
Requires pull-up
State changed
OD
/CHANGE
30
30
Open
-
-
-
n/c
29
29
Open
To Cs9 + Key
Sense pin
I/O
SNS9K
28
28
Open
To Cs9
Sense pin
I/O
SNS9
27
27
Open
To Cs8 + Key
Sense pin
I/O
SNS8K
26
26
Open
To Cs8
Sense pin
I/O
SNS8
25
25
Open
-
-
-
n/c
23, 24
-
Open
See Table 1.4
Detect Status
O/OD
DETECT
22
24
Vdd or Vss**
Rising edge sync or LP pulse
Sync In or LP In
I
SYNC/LP
21
23
Open
-
-
-
n/c
18, 19, 20
-
-
0V
Ground
Pwr
Vss
17
22
Open
-
-
-
n/c
11, 12, 13,
14, 15, 16
-
Open
To Cs7 + Key
Sense pin
I/O
SNS7K
10
21
Open or mode
resistoror option
resistor*
To Cs7 and/or mode resistor
or option resistor*
Sense pin and mode
or option select
I/O
SNS7
9
20
Open or
mode resistor
To Cs6 + Key and/or
mode resistor
Sense pin and
mode select
I/O
SNS6K
8
19
Open or
option resistor*
To Cs6 and/or
option resistor*
Sense pin and
option select
I/O
SNS6
7
18
Open
To Cs5 + Key
Sense pin
I/O
SNS5K
6
17
Open or
option resistor*
To Cs5 and/or
option resistor *
Sense pin and
option select
I/O
SNS5
5
16
Open
To Cs4 + Key
Sense pin
I/O
SNS4K
4
15
Open
To Cs4
Sense pin
I/O
SNS4
3
14
Open
To Cs3 + Key
Sense pin
I/O
SNS3K
2
13
Open or
option resistor*
To Cs3 and/or
option resistor*
Sense pin and
option select
I/O
SNS3
1
12
Open
To Cs2 + Key
Sense pin
I/O
SNS2K
48
11
Open or
option resistor*
To Cs2 and/or
option resistor*
Sense pin and
option select
I/O
SNS2
47
10
Open
To Cs1 + Key
Sense pin
I/O
SNS1K
46
9
Open or
option resistor*
To Cs1 and/or
option resistor*
Sense pin and
option select
I/O
SNS1
45
8
Open
To Cs0 + Key
Sense pin
I/O
SNS0K
44
7
Open or
option resistor*
To Cs0 and/or
option resistor
Sense pin and
option select
I/O
SNS0
43
6
Open
-
-
-
n/c
39, 40,
41, 42
-
-
Leave open
-
-
n/c
38
5
-
Resistor to Vdd and optional
spread spectrum RC network
Oscillator
I
OSC
37
4
-
+2.8 ~ +5.0V
Power
Pwr
Vdd
36
3
Vdd
Active low reset
Reset input
I
/RST
35
2
Open
-
-
-
n/c
34
-
100K
✡ resistor to Vss
Spread spectrum drive
Spread spectrum
OD
SS
33
1
If Unused
Notes
Function
Type
Name
48 SSOP
Pin
32-QFN
Pin
Pin Type
I
CMOS input only
I/O
CMOS I/O
OD
CMOS open drain output
I/OD
CMOS input or open drain output
O/OD
CMOS push pull or open-drain output (option selected)
Pwr
Power / ground
Notes
Mode resistor is required only in Simplif ied mode (see Figure 1.2)
* Option resistor is required only in Full Options mode (see Figure 1.1)
Pin is either Sync or LP depending on options selected (functions SL_0, SL_1, see Figure 1.1)
** See text
Lq
3
QT1101 R4.06/0806


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