Datasheet

Description STM32F103x8, STM32F103xB
10/105 DocID13587 Rev 16
2.1 Device overview
Table 2. STM32F103xx medium-density device features and peripheral
counts
Peripheral
STM32F103Tx STM32F103Cx STM32F103Rx STM32F103Vx
Flash - Kbytes 64 128 64 128 64 128 64 128
SRAM - Kbytes 20 20 20 20
Timers
General-purpose 33 3 3
Advanced-control 11 1 1
Communication
SPI 12 2 2
I
2
C 12 2 2
USART 23 3 3
USB 11 1 1
CAN 11 1 1
GPIOs 26 37 51 80
12-bit synchronized ADC
Number of channels
2
10 channels
2
10 channels
2
16 channels
(1)
1. On the TFBGA64 package only 15 channels are available (one analog input pin has been replaced by
‘Vref+’).
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 Table 9)
Junction temperature: -40 to + 125 °C (see Table 9)
Packages VFQFPN36
LQFP48,
UFQFPN48
LQFP64,
TFBGA64
LQFP100,
LFBGA100,
UFBGA100