CD00161566 Datasheet, PDF (10/105 Pages) STMicroelectronics – nullMedium-density performance line ARM-based 32-bit MCU

Description
STM32F103x8, STM32F103xB
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
General-purpose
3
3
3
3
Advanced-control
1
1
1
1
SPI
1
2
2
2
I²C
1
2
2
2
USART
2
3
3
3
USB
1
1
1
1
CAN
1
1
1
1
GPIOs
26
37
51
80
12-bit synchronized ADC
Number of channels
2
10 channels
2
10 channels
2
16 channels⁽¹⁾
2
16 channels
CPU frequency
72 MHz
Operating voltage
2.0 to 3.6 V
Operating temperatures
Packages
Ambient temperatures: -40 to +85 °C / -40 to +105 °C (see Table 9)
Junction temperature: -40 to + 125 °C (see Table 9)
VFQFPN36
LQFP48,
UFQFPN48
LQFP64,
TFBGA64
LQFP100,
LFBGA100,
UFBGA100
1. On the TFBGA64 package only 15 channels are available (one analog input pin has been replaced by
‘Vref+’).
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