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STM32F745IG Fiches technique(PDF) 24 Page - STMicroelectronics

No de pièce STM32F745IG
Description  Up to 168 I/O ports with interrupt capability
PDF  227 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F745IG Fiches technique(HTML) 24 Page - STMicroelectronics

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Functional overview
STM32F745xx STM32F746xx
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DocID027590 Rev 4
Figure 4. VDDUSB connected to VDD power supply
Figure 5. VDDUSB connected to external power supply
2.17
Power supply supervisor
2.17.1
Internal reset ON
On packages embedding the PDR_ON pin, the power supply supervisor is enabled by
holding PDR_ON high. On the other packages, the power supply supervisor is always
enabled.
The device has an integrated power-on reset (POR)/ power-down reset (PDR) circuitry
coupled with a Brownout reset (BOR) circuitry. At power-on, POR/PDR is always active and
ensures proper operation starting from 1.8 V. After the 1.8 V POR threshold level is



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