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