5 Power control (PWR)Low-density devices are STM32F101xx, STM32F102xx and STM32F103xx
microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes.
Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx
microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes.
High-density devices are STM32F101xx and STM32F103xx microcontrollers where the
Flash memory density ranges between 256 and 512 Kbytes.
XL-density devices are STM32F101xx and STM32F103xx microcontrollers where the
Flash memory density ranges between 768 Kbytes and 1 Mbyte.
Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers.
This section applies to the whole STM32F101xx family, unless otherwise specified.
5.1 Power suppliesThe device ต้องการ a 2.0-to-3.6 V operating voltage supply (VDD). An embedded regulator ถูกใช้เพื่อจ่าย the internal 1.8 V digital power.
The real-time clock (RTC) และ backup registers สามารถถูกให้พลังงานจาก the VBAT voltage เมื่อ the main VDD supply ถูก powered off.

1. VDDA and VSSA ต้องถูกต่อไปยัง VDD and VSS, ตามลำดับ.