STM32F103xx
Description
7/67
2.1 Device
overview
Table 2.
Device features and peripheral counts (STM32F103xx performance line)
Peripheral
STM32F103Cx
STM32F103Rx
STM32F103Vx
Flash - Kbytes
32
64
32
64
128
64
128
SRAM - Kbytes
10
20
10
20
20
Ti
mer
s
General purpose
2
3
2
3
3
Advanced Control
1
1
1
Com
m
unic
ation
SPI
1
2
1
2
2
I
2
C
1
2
1
2
2
USART
2
3
2
3
3
USB
1
1
1
1
1
CAN
1 1
1
1
1
GPIOs
32
49
80
12-bit synchronized ADC
Number of channels
2
10 channels
2
16 channels
CPU frequency
72 MHz
Operating voltage
2.0 to 3.6 V
Operating temperature
-40 to +85 °C / -40 to +105 °C
Packages
LQFP48
LQFP64
LQFP100,
BGA100