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STM32H523VCU7 Datasheet(PDF) 100 Page - STMicroelectronics

No. de pieza STM32H523VCU7
Descripción Electrónicos  Arm Cortex -M33 32-bit MCUTrustZone FPU, 375 DMIPS Arm Cortex -M33 32-bit MCUTrustZone FPU, 375 DMIPS
PDF  228 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32H523VCU7 Datasheet(HTML) 100 Page - STMicroelectronics

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Electrical characteristics
STM32H523xx
100/228
DS14540 Rev 1
5.3.2
VCAP external capacitor
Stabilization for the embedded LDO regulator is achieved by connecting an external
capacitor CEXT to the VCAPx (one or two pins, depending upon the package). CEXT is
specified in Table 21. VCAP operating conditions. Two external capacitors must be
connected to VCAP pins (refer to AN5711 “STM32H5 Series hardware development”).
Figure 15. External capacitor CEXT
5.3.3
Operating conditions at power-up/down
Subject to general operating conditions for TA.
v
Table 21. Supply voltage and maximum frequency configuration
Symbol
Parameter
Conditions
CEXT
External capacitor for LDO enabled
2.2 μF(1)
1. This value corresponds to CEXT typical value. A variation of ±20% is tolerated
ESR
E
quivalent series resistance of the external capacitor
< 100 mΩ
MS19044V2
ESR
R Leak
C
Table 22. Operating conditions at power-up/down (regulator ON)
Symbol
Parameter
Min
Max
Unit
TVDD
VDD rise time rate
0
∞
μs/V
VDD fall time rate
10
∞
TVDDA
VDDA rise time rate
0
∞
VDDA fall time rate
10
∞
TVDDUSB
TVDDUSB rise time rate
0
∞
TVDDUSB fall time rate
10
∞
TVDDIO2
TVDDIO2 rise time rate
0
∞
TVDDIO2 fall time rate
10
∞
TVBAT
TVBAT rise time rate
0
∞
TVBAT fall time rate
10
∞



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