QST104 STMicroelectronics, QST104 Datasheet - Page 39
QST104
Manufacturer Part Number
QST104
Description
Capacitive touch sensor device 4 keys
Manufacturer
STMicroelectronics
Datasheet
1.QST104.pdf
(45 pages)
- Current page: 39 of 45
- Download datasheet (491Kb)
QST104
Figure 20. Typical application with I
SDA
SCL
I
2
t
C BUS
f(SDA)
t
h(STA)
START
4.7kΩ
t
w(SCKH)
t
r(SDA)
V
DD
t
w(SCKL)
4.7kΩ
V
DD
t
su(SDA)
t
r(SCK)
100Ω
100Ω
2
C bus and timing diagram
t
h(SDA)
t
f(SCK)
SDA
SCL
QST device
Electrical characteristics
t
su(STA)
t
su(STO)
www.DataSheet4U.com
t
w(STO:STA)
REPEATED START
STOP
START
39/45
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