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STM32F401CBU7 bảng dữ liệu(PDF) 20 Page - STMicroelectronics

tên linh kiện STM32F401CBU7
Giải thích chi tiết về linh kiện  ARM Cortex-M4 32b MCUFPU, 105 DMIPS, 256KB Flash/64KB RAM, 11 TIMs, 1 ADC, 11 comm. interfaces
PDF  135 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32F401CBU7 bảng dữ liệu(HTML) 20 Page - STMicroelectronics

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STM32F401xB STM32F401xC
Functional overview
53
The VDD specified threshold, below which the device must be maintained under reset, is
1.7 V (see Figure 6).
A comprehensive set of power-saving mode allows to design low-power applications.
When the internal reset is OFF, the following integrated features are no longer supported:
•
The integrated power-on reset (POR) / power-down reset (PDR) circuitry is disabled.
•
The brownout reset (BOR) circuitry must be disabled.
•
The embedded programmable voltage detector (PVD) is disabled.
•
VBAT functionality is no more available and VBAT pin should be connected to VDD.
3.15
Voltage regulator
The regulator has four operating modes:
•
Regulator ON
–
Main regulator mode (MR)
–
Low power regulator (LPR)
–
Power-down
•
Regulator OFF
Figure 6. PDR_ON control with internal reset OFF



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