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STM32F412RGH7TR Folha de dados(PDF) 27 Page - STMicroelectronics

Nome de Peças STM32F412RGH7TR
Descrição Electrónicos  Arm®-Cortex®-M4 32b MCUFPU, 125 DMIPS, 1MB Flash, 256KB RAM, USB OTG FS, 17 TIMs, 1 ADC, 17 comm. interfaces
PDF  201 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F412RGH7TR Folha de dados(HTML) 27 Page - STMicroelectronics

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DocID028087 Rev 7
27/201
STM32F412xE/G
Functional overview
42
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.
3.19
Voltage regulator
The regulator has three operating modes:
–
Main regulator mode (MR)
–
Low power regulator (LPR)
–
Power-down
3.19.1
Regulator ON
On packages embedding the BYPASS_REG pin, the regulator is enabled by holding
BYPASS_REG low. The WLCSP64 is available in two versions, one with the regulator
internally enabled and one with the regulator internally disabled. On all other packages, the
regulator is always enabled.
Figure 7. Power supply supervisor interconnection with internal reset OFF(1)
1. The PRD_ON pin is available only on WLCSP64, UFBGA100, UFBGA144 and LQFP144 packages.



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