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STM32H757AI bảng dữ liệu(PDF) 27 Page - STMicroelectronics

tên linh kiện STM32H757AI
Giải thích chi tiết về linh kiện  Dual 32-bit Arm® Cortex®-M7 up to 480MHz and -M4 MCUs, 2MB Flash, 1MB RAM, 46 com. and analog interfaces, SMPS, DSI, crypto
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STM32H757AI bảng dữ liệu(HTML) 27 Page - STMicroelectronics

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DS12931 Rev 1
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STM32H757xI
Functional overview
55
3.5.3
Voltage regulator (SMPS step-down converter and LDO)
The same voltage regulator supplies the 3 power domains (D1, D2 and D3). D1 and D2 can
be independently switched off.
Voltage regulator output can be adjusted according to application needs through 6 power
supply levels:
•
Run mode (VOS0 to VOS3)
–
Scale 0: boosted performance (available only with LDO regulator)
–
Scale 1: high performance
–
Scale 2: medium performance and consumption
–
Scale 3: optimized performance and low-power consumption
Note:
For STM32H7x7xIT3 sales types (industrial temperature range) the voltage regulator output
can be set only to VOS2 or VOS3 in Run mode (VOS1 is not available for industrial
temperature range).
•
Stop mode (SVOS3 to SVOS5)
–
Scale 3: peripheral with wakeup from Stop mode capabilities (UART, SPI, I2C,
LPTIM) are operational
–
Scale 4 and 5 where the peripheral with wakeup from Stop mode is disabled
The peripheral functionality is disabled but wakeup from Stop mode is possible
through GPIO or asynchronous interrupt.
3.5.4
SMPS step-down converter
The built-in SMPS step-down converter is a highly power-efficient DC/DC non-linear
switching regulator that provides lower power consumption than a conventional voltage
regulator (LDO).



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