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STM32H7B3II Datasheet(PDF) 151 Page - STMicroelectronics

No. de pieza STM32H7B3II
Descripción Electrónicos  32-bit Arm® Cortex®-M7 280 MHz MCUs, 2-Mbyte flash memory, 1.4-Mbyte RAM, 46 com. and analog interfaces, SMPS, crypto
PDF  238 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32H7B3II Datasheet(HTML) 151 Page - STMicroelectronics

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Figure 57. Power supply and reference decoupling (VREF+ not connected to VDDA)
1 µF // 100 nF
1 µF // 100 nF
STM32
VREF+(1)
VSSA/VREF-(1)
VDDA
1.
VREF+ input is not available on all package (refer to Table 1. STM32H7B3xI features and peripheral counts)
whereas VREF– is available only on UFBGA176+25, TFBGA225 with SMPS and TFBGA216. When VREF- is
not available, it is internally connected to VSSA.
Figure 58. Power supply and reference decoupling (VREF+ connected to VDDA)
1 µF // 100 nF
STM32
VREF+/VDDA(1)
VREF-/VSSA(1)
1.
VREF+ input is not available on all package (refer to Table 1. STM32H7B3xI features and peripheral counts)
whereas VREF– is available only on UFBGA176+25, TFBGA225 with SMPS and TFBGA216. When VREF- is
not available, it is internally connected to VSSA.
STM32H7B3xI
Operating conditions
DS13139 - Rev 8
page 151/238



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