STM32F103C8 STMicroelectronics, STM32F103C8 Datasheet - Page 34

• Manufacturer Part Number: STM32F103C8
• Description: Mainstream Performance line, ARM Cortex-M3 MCU with 64 Kbytes Flash, 72 MHz CPU, motor control, USB and CAN
• Manufacturer: STMicroelectronics

Specifications of STM32F103C8

• Conversion Range: 0 to 3.6 V
• Peripherals Supported: timers, ADC, SPIs, I2Cs and USARTs

Electrical characteristics
5.1.6
Caution:
34/99
Power supply scheme
Figure 13. Power supply scheme
In
Figure 11. Pin loading conditions
Figure
C = 50 pF
+ 1 µF
10 nF
13, the 4.7 µF capacitor must be connected to V
V DD
5 × 100 nF
+ 1 × 4.7 µF
+ 1 µF
10 nF
1.8-3.6V
V REF
V DD
STM32F103xx pin
1/2/3/4/5
1/2/3/4/5
GP I/Os
V REF+
V REF-
V DDA
Doc ID 13587 Rev 13
V SSA
V BAT
V DD
ai14141
V SS
Regulator
ADC
Po wer swi tch
Figure 12. Pin input voltage
OUT
IN
RCs, PLL,
Logic
Analog:
IO
DD3
...
Backup registers)
STM32F103x8, STM32F103xB
Backup circuitry
(OSC32K,RTC,
Wake-up logic
.
V IN
& Memories)
Kernel logic
(CPU,
Digital
STM32F103xx pin
ai14142
ai14125d