Datasheet

Electrical characteristics STM32F103x4, STM32F103x6
30/90 Doc ID 15060 Rev 6
5.1.6 Power supply scheme
Figure 11. Power supply scheme
Caution: In Figure 11, the 4.7 µF capacitor must be connected to V
DD3
.
Figure 9. Pin loading conditions Figure 10. Pin input voltage
ai14141
C = 50 pF
STM32F103xx pin
ai14142
STM32F103xx pin
V
IN
ai15496
V
DD
1/2/3/4/5
Analog:
RCs, PLL,
...
Power switch
V
BAT
GP I/O s
OUT
IN
Kernel logic
(CPU,
Digital
& Memories)
Backup circuitry
(OSC32K,RTC,
Backup registers)
Wakeup logic
5 × 100 nF
+ 1 × 4.7 µF
1.8-3.6V
Regulator
V
SS
1/2/3/4/5
V
DDA
V
SSA
ADC
Level shifter
IO
Logic
V
DD
10 nF
+ 1 µF
V
DD
V
REF+
V
REF-
10 nF
+ 1 µF
V
REF