QT1101 View Datasheet(PDF) - Quantum Research Group
Part Name
Description
Manufacturer
QT1101 Datasheet PDF : 16 Pages
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Figure 1.2 Connection Diagram - Simplified Mode (32-QFN Package)
SMR resistor installed between SNS6K, SNS7
Vunreg
4.7uF
+2.8 ~ +5V
Voltage Reg
4.7uF
VDD
*100nF
KEY 3
KEY 4
KEY 5
KEY 6
KEY 7
KEY 8
KEY 9
RSNS3 4.7nF
10K
RSNS4 4.7nF
10K
RSNS5 4.7nF
10K
RSNS6 4.7nF
10K
RSNS7 4.7nF
10K
RSNS8 4.7nF
10K
RSNS9 4.7nF
10K
RS3
CS3
2.2K
RS4
CS4
2.2K
RS5
CS5
2.2K
RS6
CS6
2.2K
RS7
SMR
CS7
2.2K
RS8
CS8
2.2K
RS9
CS9
2.2K
LP IN
DETECT OUT
3
2
VDD /RST
12 SNS3
SNS2K 11
13 SNS3K
SNS2 10
SNS4
SNS1K 9
15 SNS4K
SNS1 8
16 SNS5
17 SNS5K
SNS0K 7
1M
SNS0 6
AKS_0
Vdd / Vss
RS2
2.2K
RS1
2.2K
RS0
4.7nF
RSNS2
CS2
4.7nF
10K
RSNS1
CS1
4.7nF
10K
RSNS0
10K
CS0
KEY 2
KEY 1
KEY 0
18 SNS6
19 SNS6K
1M 20 SNS7
21 SNS7K
25 SNS8
26 SNS8K
QT1101
32-QFN
OSC 4
VDD
Rb1
Rb2
2.2K
Recommended Rb1, Rb2 Values
With Spread-Spectrum
Vdd Range Rb1 Rb2
2.8 ~ 2.99V 12K 27K
3.0 ~ 3.59V 12K 22K
3.6 ~ 5V 15K 27K
No Spread-Spectrum
27 SNS9
Vdd Range Rb1 Rb2
2.8 ~ 2.99V 15K dni
28 SNS9K
Css
SS 1
3.0 ~ 3.59V 18K dni
3.6 ~ 5V 20K dni
100nF
No Spread-spectrum:
dni = do not install
Replace Css with 100K resistor
23
SYNC/LP
100K
RX 32
100K
Vdd
1W 31
Vdd
100K
/CHANGE 30
Vdd
2W DATA
DATA
/CHANGE
24 DETECT
N.C. 29
N.C. 5
VSS
22
Table 1.6
AKS Resistor Options
AKS_0
Vss
Vdd
AKS MODE
Off
On, global
FAST-DETECT
Enabled
Off
Table 1.7
Functions in Simplified Mode
SYNC/LP pin
Max on-duration delay
Detect Pin
200ms LP function; sync not available
60 seconds
Push-pull, active high
Lq
5
QT1101 R4.06/0806
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