QT1080 Ver la hoja de datos (PDF) - Quantum Research Group
Número de pieza
componentes Descripción
Fabricante
QT1080 Datasheet PDF : 14 Pages
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1.1 - Wiring
Table 1.1 Pinlist
32-QFN
Pin
1
-
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
-
22
-
23
24
-
25
26
27
28
29
30
31
32
48-SSOP
Pin
33
34
35
36
37
38, 39, 40,
41, 42
43
44
45
46
47
48
1
2
3
4
5
6
7
8
Name
SS
n/c
/RST
Vdd
OSC
n/c
SNS0
SNS0K
SNS1
SNS1K
SNS2
SNS2K
SNS3
SNS3K
SNS4
SNS4K
SNS5
SNS5K
SNS6
SNS6K
Type
OD
-
I
Pwr
I
-
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Function
Spread spectrum
-
Reset input
Power
Oscillator
-
Sense pin and
option select
Sense pin
Sense pin and
option select
Sense pin
Sense pin and
option select
Sense pin
Sense pin and
option select
Sense pin
Sense pin and
option select
Sense pin
Sense pin and
option select
Sense pin
Sense pin and
option select
Sense pin and
mode select
Notes
Spread spectrum drive
Leave open
Active low reset
+2.8 ~ +5.0V
Resistor to Vdd and optional
spread spectrum RC network
Leave open
To Cs0 and/or
option resistor
To Cs0 + Key
To Cs1 and/or
option resistor*
To Cs1 + Key
To Cs2 and/or
option resistor*
To Cs2 + Key
To Cs3 and/or
option resistor*
To Cs3 + Key
To Cs4 and/or
option resistor*
To Cs4 + Key
To Cs5 and/or
option resistor*
To Cs5 + Key
To Cs6 and/or
option resistor*
To Cs6 + Key and/or
mode resistor†
9
SNS7
I/O
Sense pin and mode To Cs7 and/or mode resistor†
or option select
or option resistor*
10
11, 12, 13,
14, 15, 16
17
18, 19, 20
21
22
23, 24
25
26
27
28
29
30
31
32
SN7K
n/c
Vss
n/c
SYNC/LP‡
DETECT
n/c
OUT_0
OUT_1
OUT_2
OUT_3
OUT_4
OUT_5
OUT_6
OUT_7
I/O
-
Pwr
-
I
O/OD
-
O/OD
O/OD
O/OD
O/OD
O/OD
O/OD
O/OD
O/OD
Sense pin
-
Ground
-
Sync In or LP In
Detect Status
-
Out 0
Out 1
Out 2
Out 3
Out 4
Out 5
Out 6
Out 7
To Cs7 + Key
Leave open
0V
Leave open
Rising edge sync or LP pulse
Active = any key in detect
Leave open
Also, binary coded output 0
Also, binary coded output 1
Also, binary coded output 2
In binary coded mode, these
pins are clamped internally to
Vss
Pin Type
I
I/O
O
OD
O/OD
Pwr
CMOS input only
CMOS I/O
CMOS push-pull output
CMOS open drain output
CMOS push pull or open-drain output (option selected)
Power / ground
If Unused
100K resistor to Vss
-
Vdd
-
-
-
Option resistor
Open
Open or
option resistor*
Open
Open or
option resistor*
Open
Open or
option resistor*
Open
Open or
option resistor*
Open
Open or
option resistor*
Open
Open or
option resistor*
Open or
mode resistor†
Open or mode
resistor† or option
resistor*
Open
-
-
-
Vdd or Vss
Open
-
Open
Open
Open
Open
Open
Open
Open
Open
Notes
† Mode resistor is required only in Simplified 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)
lQ
3
QT1080 R11.03/0905
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