STM32F103C4H6ATR STMICROELECTRONICS [STMicroelectronics], STM32F103C4H6ATR Datasheet - Page 28

• Manufacturer Part Number: STM32F103C4H6ATR
• Description: Low-density performance line, ARM-based 32-bit MCU with 16 or 32 KB Flash, USB, CAN, 6 timers, 2 ADCs, 6 communication interfaces
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

5.1.6
Caution:
28/80
Power supply scheme
Figure 10. Power supply scheme
In
Figure 8.
Figure
C = 50 pF
+ 1 µF
10 nF
10, the 4.7 µF capacitor must be connected to V
V DD
Pin loading conditions
5 × 100 nF
+ 1 × 4.7 µF
+ 1 µF
1.8-3.6V
10 nF
V REF
V DD
STM32F103xx pin
1/2/3/4/5
1/2/3/4/5
GP I/Os
V DDA
V REF+
V SSA
V BAT
V DD
V SS
Doc ID 15060 Rev 3
ai14141
V REF-
Regulator
ADC
Po wer swi tch
OUT
IN
Figure 9.
RCs, PLL,
Logic
Analog:
IO
...
DD3
Backup registers)
Backup circuitry
Pin input voltage
(OSC32K,RTC,
Wakeup logic
.
V IN
& Memories)
Kernel logic
(CPU,
Digital
STM32F103xx pin
ai14142
ai15496