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STM32H7 Datasheet(PDF) 236 Page - STMicroelectronics

No. de pieza STM32H7
Descripción Electrónicos  32-bit Arm® Cortex®-M7 480MHz MCUs, up to 2MB flash, up to 1MB RAM, 46 com. and analog interfaces
PDF  357 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32H7 Datasheet(HTML) 236 Page - STMicroelectronics

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Electrical characteristics (rev V)
STM32H742xI/G STM32H743xI/G
236/357
DS12110 Rev 10
Low-speed internal (LSI) RC oscillator
DVDD (CSI)
CSI oscillator frequency drift over
VDD
VDD = 1.62 to 3.6 V
-
−
0.06
0.06
%
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 145. CSI oscillator characteristics(1) (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Table 146. 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
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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