STR711FR0 STMicroelectronics, STR711FR0 Datasheet - Page 62

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STR711FR0

Manufacturer Part Number
STR711FR0
Description
ARM-Based Flash microcontrollers with USB
Manufacturer
STMicroelectronics
Datasheet

Specifications of STR711FR0

5 Power Saving Modes
SLOW, WAIT, LPWAIT, STOP and STANDBY modes
Conversion Range
0 to 2.5 V

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Electrical parameters
62/78
Figure 33. Typical application with I
Table 37.
Legend:
R
f
NA = Not achievable
Note:
SCL
P
= External pull-up resistance
= I
2
C speed
SDA
SCL
For speeds around 200 kHz, achieved speed can have
For other speed ranges, achieved speed can have
The above variations depend on the accuracy of the external components used.
I
2
t
C BUS
f(SDA)
SCL Frequency Table (
t
h(STA)
START
(kHz)
f
400
300
200
100
SCL
50
20
4.7kΩ
t
w(SCKH)
t
r(SDA)
V
DD
t
w(SCKL)
4.7kΩ
V
DD
t
su(SDA)
f
PCLK1
t
r(SCK)
100Ω
100Ω
2
C bus and timing diagram
=8 MHz.,V
t
h(SDA)
t
f(SCK)
SDA
SCL
STR7
33
= 3.3 V)
±
I2CCCR Value
2% tolerance
R
±
P
=4.7kΩ
4Ch
C4h
8Ah
85h
24h
5% tolerance
t
su(STA)
83
t
su(STO)
t
w(STO:STA)
STOP
REPEATED START
STR71xF
START

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