Datasheet

Description STM32F103x8, STM32F103xB
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2.1 Device overview
Table 2. STM32F103xx medium-density device features and peripheral counts
Peripheral
STM32F103Tx STM32F103Cx STM32F103Rx
STM32F103Vx
Flash - Kbytes 64 64 128 64 128 64 128
SRAM - Kbytes 20 20 20 20 20
Timers
General-purpose 333 3 3
Advanced-control 11 1 1
Communication
SPI 122 2 2
I
2
C 122 2 2
USART 233 3 3
USB 111 1 1
CAN 111 1 1
GPIOs 26 37 51 80
12-bit synchronized ADC
Number of channels
2
10 channels
2
10 channels
2
16 channels
2
16 channels
CPU frequency 72 MHz
Operating voltage 2.0 to 3.6 V
Operating temperatures
Ambient temperatures: –40 to +85 °C /–40 to +105 °C (see Tab le 8 )
Junction temperature: –40 to + 125 °C (see Ta bl e 8)
Packages VFQFPN36 LQFP48 LQFP64
LQFP100,
BGA100