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STM32H742AI Datasheet(PDF) 105 Page - STMicroelectronics

Part # STM32H742AI
Description  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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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32H742AI Datasheet(HTML) 105 Page - STMicroelectronics

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DS12110 Rev 7
105/357
STM32H742xI/G STM32H743xI/G
Electrical characteristics (rev Y)
322
6.1.6
Power supply scheme
Figure 15. Power supply scheme
1. N corresponds to the number of VDD pins available on the package.
2. A tolerance of +/- 20% is acceptable on decoupling capacitors.
Caution:
Each power supply pair (VDD/VSS, VDDA/VSSA ...) must be decoupled with filtering ceramic
capacitors as shown above. These capacitors must be placed as close as possible to, or
below, the appropriate pins on the underside of the PCB to ensure good operation of the
MSv46116V3
BKUP
IOs
VDD domain
Analog domain
Core domain (VCORE)
Backup domain
D3 domain
(System
logic,
EXTI,
Peripherals,
RAM)
D1 domain
(CPU, peripherals,
RAM)
OPAMP,
Comparator
Voltage
regulator
ADC, DAC
Flash
D2 domain
(peripherals,
RAM)
Power switch
VCAP
VSS
VDDLDO
VBAT
VDDA
VREF+
VREF-
VSSA
Backup
regulator
VDD
Backup
RAM
Power switch
HSI, CSI,
HSI48,
HSE, PLLs
IOs
USB
regulator
VDD50USB
VDD33USB
VSS
VSS
VSS
REF_BUF
VSS
IO
logic
VREF+
USB
IOs
VSS
VSW
LSI, LSE,
RTC, Wakeup
logic, backup
registers,
Reset
IO
logic
VBKP
VBAT
charging
VREF-
VDDA
VBAT
1.2 to 3.6V
VDD
VDDLDO
VREF
VDD33USB
VDD50USB



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