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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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STM32H533CE Arkusz danych(PDF) 28 Page - STMicroelectronics |
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STM32H533CE Arkusz danych(HTML) 28 Page - STMicroelectronics |
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28 / 231 page  Functional overview STM32H533xx 28/231 DS14539 Rev 1 Figure 2. STM32H533xx power supply overview During power-up and power-down phases, the following power sequence requirements must be respected: • When VDD is below 1 V, other power supplies (VDDA, VDDIO2, VDDUSB) must remain below VDD + 300 mV. • When VDD is above 1 V, all power supplies are independent. • During the power-down phase, VDD can temporarily become lower than other supplies only if the energy provided to the MCU remains below 1 mJ. This allows external decoupling capacitors to be discharged with different time constants during the power- down transient phase. MSv64011V1 USB transceiver Core SRAM1 SRAM2 SRAM3 Digital peripherals LSE crystal 32kHz oscillator Backup registers RCC_BDCR register RTC TAMP BKPSRAM VDDA domain Backup domain Standby circuitry (Wakeup logic, IWDG) Low-voltage detector LDO regulator I/O ring VCORE domain Temperature sensor Reset block 3 x PLL Internal RC oscillators Flash memory VDDUSB VDDIO2 VDDIO1 I/O ring VDDIO2 VDDA VSSA VSS VSS VDDIO2 domain VDD domain VCORE VSS VDD VBAT VCAP A/D converters D/A converters Voltage reference buffer |
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