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STM32H745II Datasheet(PDF) 144 Page - STMicroelectronics

Part # STM32H745II
Description  Dual 32-bit Arm® Cortex®-M7 up to 480MHz and -M4 MCUs,up to 2MB Flash, 1MB RAM, 46 com. and analog interfaces, SMPS
PDF  252 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32H745II Datasheet(HTML) 144 Page - STMicroelectronics

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Electrical characteristics
STM32H745xI/G
144/252
DS12923 Rev 1
Low-speed internal (LSI) RC oscillator
tsu(CSI)
CSI oscillator startup time
-
-
1
2
µs
tstab(CSI)
CSI oscillator stabilization time
(to reach ±3% of fCSI)
-
-
-
4
cycle
IDD(CSI)
CSI oscillator power consumption
-
-
23
30
µA
1. Guaranteed by design.
2. Guaranteed by test in production.
3. Guaranteed by characterization.
Table 57. CSI oscillator characteristics(1) (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Table 58. LSI oscillator characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fLSI
LSI frequency
VDD = 3.3 V, TJ = 25 °C
31.4(1)
1. Guaranteed by test in production.
32
32.6(1)
kHz
TJ = –40 to 110 °C, VDD = 1.62 to
3.6 V
29.76(2)
2. Guaranteed by characterization results.
-
33.6(2)
TJ = –40 to 125 °C, VDD = 1.62 to
3.6 V
29.4
-
33.6
TJ = –40 to 140 °C, VDD = 1.62 to
3.6 V
29.4
-
33.6
tsu(LSI)(3)
3. Guaranteed by design.
LSI oscillator
startup time
-
-
80
130
µs
tstab(LSI)(3)
LSI oscillator
stabilization
time (5% of
final value)
-
-
120
170
IDD(LSI)(3)
LSI oscillator
power
consumption
-
-
130
280
nA



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