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STM32H533CE 数据表(PDF) 97 Page - STMicroelectronics |
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STM32H533CE 数据表(HTML) 97 Page - STMicroelectronics |
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97 / 231 page  DS14539 Rev 1 97/231 STM32H533xx Electrical characteristics 200 5.1.6 Power supply scheme Figure 14. STM32H523xx/H533xx power supply scheme Note: Refer to “Getting started with STM32H5 Series hardware development” (AN5711) for more details. Caution: Each power supply pair must be decoupled with filtering ceramic capacitors as shown above. These capacitors must be placed as close as possible to or below the appropriate MSv74500V1 VDDUSB VREF- VSSA VSS Analog domain Core domain Backup domain LDO Voltage regulator Power switch VDDLDO VBAT VDDA VREF+ VDD VCAP1/2 VDDIO2 100 nF 100 nF STM32H5 VDDA Three different possible use cases VREF+ 100 nF Two different possible use cases Battery 100 nF VDD 100 nF VDD 100 nF Two different possible use cases VDDIO2 Two different possible use cases 100 nF LDO enabled LDO disabled (bypass mode) VDDIO2 IOs BKUP IOs VDD IOs VDD domain USB FS IOs Defines different use case options Define power domaines VDD VDDUSB 100 nF Internal VREFBUF enabled |
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