STM32F103X6 Datasheet, PDF (24/67 Pages) STMicroelectronics – Performance line, ARM-based 32-bit MCU with Flash, USB, CAN, seven 16-bit timers, two ADCs and nine communication interfaces

Electrical characteristics
Figure 7. Pin loading conditions
STM32F103xx
Figure 8. Pin input voltage
C = 50 pF
STM32F103xx pin
ai14141
STM32F103xx pin
VIN
ai14142
5.1.6
Power supply scheme
Figure 9. Power supply scheme
1.8-3.6 V
VBAT 3.3 V
Po wer swi tch
Backup circuitry
(OSC32K,RTC,
Wake-up logic
Backup registers)
GP I/Os
O UT
IN
VDD
VDD
1/2/3/4/5
5 × 100 nF
+ 1 × 10 µF
VSS
1/2/3/4/5
VDD
10 nF
+ 1 µF
VREF
10 nF
+ 1 µF
VDDA
VREF+
VREF-
VSSA
Regulator
3.3V
ADC
IO
Logic
Kernel logic
(CPU,
Digital
& Memories)
Analog:
RCs, PLL,
...
ai14125
24/67