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STM32MP157A 数据表(PDF) 123 Page - STMicroelectronics |
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STM32MP157A 数据表(HTML) 123 Page - STMicroelectronics |
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123 / 259 page  DS12504 Rev 5 123/259 STM32MP157A/D Electrical characteristics 237 6.1.6 Power supply scheme Figure 11. Power supply scheme Caution: Each power supply pair (VDD/VSS, VDDCORE/VSS, VDDA/VSSA ...) must be decoupled with filtering ceramic capacitors. These capacitors must be placed as close as possible to, or below, the appropriate pins on the underside of the PCB to ensure good operation of the MSv46507V2 BKUP IOs VDD domain Analog domain Core domain VSW domain (System logic, Peripherals) (MPU, peripherals, RAM) ADC, DAC (MCU, peripherals, RAM) Power switch VDDCORE VSS VBAT VDDA VREF+ VREF- VSSA Backup regulator VDD Backup RAM Power switch HSI, CSI, HSE, LSI, WKUP, IWDG IOs DSI regulator VSS VSS REF_BUF VSS IO logic VREF+ DSI PLL VSW LSE, RTC, AWU, Tamper, backup registers, Reset IO logic VBKP Retention RAM Retention regulator VRET 1V8 regulator VSS Backup domain Retention domain VDD IOs IO logic USB FS IOs VSS USB HS PHY DSI PHY VDD_PLL PLLs DDR PHY VSS VSS_DSI 1V1 regulator VSS VSS_PLL VREF- IOports IOports IOports VDD (VDD_ANA) |
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