STR751FR1 STMicroelectronics, STR751FR1 Datasheet - Page 45

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STR751FR1

Manufacturer Part Number
STR751FR1
Description
32-bit MCU
Manufacturer
STMicroelectronics
Datasheet

Specifications of STR751FR1

Smart Low Power Modes
SLOW, WFI, STOP and STANDBY with backup registers
Conversion Time
min. 3.75 μs

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STR750Fxx STR751Fxx STR752Fxx STR755Fxx
XRTC1 external clock source
Subject to general operating conditions for V
Table 21.
1. Data based on typical application software.
2. Data based on design simulation and/or technology characteristics, not tested in production.
Figure 20. Typical application with an external clock source
DuCy
t
t
C
w(XRTC1H)
V
w(XRTC1L)
Symbol
V
t
t
r(XRTC1)
f(XRTC1)
f
IN(RTC1)
XRTC1H
XRTC1
XRTC1L
I
L
(RTC1)
V
V
XT1H
XT1L
External clock source
frequency
XRTC1 input pin high
level voltage
XRTC1 input pin low
level voltage
XRTC1 high or low
time
XRTC1 rise or fall time
XRTCx Input leakage
current
XRTC1 input
capacitance
Duty cycle
XRTC1 external clock source
EXTERNAL
CLOCK SOURCE
(2)
Parameter
t
r(XT1)
(2)
T
XT1
hi-Z
(2)
t
f(XT1)
see
V
O
XT2
XT1
Conditions
90%
SS
10%
≤V
Figure 20
IN
≤V
DD_IO
DD_I
(1)
t
w(XT1H)
, and T
0.7xV
I
Min
V
900
L
30
A
SS
DD_IO
.
t
w(XT1L)
f
OSC4M
STR750
32.768
Typ
5
Electrical parameters
0.3xV
V
Max
DD_IO
500
50
±1
70
DD_IO
Unit
45/84
kHz
μA
pF
ns
%
V

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