STM32F101R4 查看數據表（PDF） - STMicroelectronics

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STM32F101R4

Low-density access line, ARM-based 32-bit MCU with 16 or 32 KB Flash, 5 timers, ADC and 4 communication interfaces

STMicroelectronics 

Electrical characteristics

Figure 8. Pin loading conditions

STM32F101x4, STM32F101x6

Figure 9. Pin input voltage

C = 50 pF

STM32F10xxx pin

ai14123b

STM32F10xxx pin

VIN

ai14124b

5.1.6

Power supply scheme

Figure 10. Power supply scheme

1.8-3.6V

VBAT

Po wer swi tch

Backup circuitry

(OSC32K,RTC,

Wakeup logic

Backup registers)

GP I/Os

VDD

VDD

1/2/3/4/5

5 × 100 nF

+ 1 × 4.7 µF

VSS

1/2/3/4/5

VDD

VDDA

O UT

IO

Logic

IN

Regulator

Kernel logic

(CPU,

Digital

& Memories)

10 nF

+ 1 µF

VSSA

VREF+

ADC

VREF-

Analog:

RCs, PLL,

...

ai15496

Caution: In Figure 10, the 4.7 µF capacitor must be connected to VDD3.

28/79

Doc ID 15058 Rev 5

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