Datasheet

Description STM32F303xB STM32F303xC
10/133 DocID023353 Rev 7
Table 2. STM32F303xB/STM32F303xC family device features and peripheral counts
Peripheral STM32F303Cx STM32F303Rx STM32F303Vx
Flash (Kbytes) 128 256 128 256 128 256
SRAM (Kbytes) on data bus 32 40 32 40 32 40
CCM (Core Coupled Memory)
RAM (Kbytes)
8
Timers
Advanced
control
2 (16-bit)
General purpose
5 (16-bit)
1 (32-bit)
Basic 2 (16-bit)
Communication
interfaces
SPI (I2S)
(1)
1. The SPI interfaces can work in an exclusive way in either the SPI mode or the I
2
S audio mode.
3(2)
I
2
C2
USART 3
UART 0 2
CAN 1
USB 1
GPIOs
Normal I/Os
(TC, TTa)
20 27 45
5-volt tolerant
I/Os (FT, FTf)
17 25 42
DMA channels 12
Capacitive sensing channels 17 18 24
12-bit ADCs 4
12-bit DAC channels 2
Analog comparator 7
Operational amplifiers 4
CPU frequency 72 MHz
Operating voltage 2.0 to 3.6 V
Operating temperature
Ambient operating temperature: - 40 to 85 °C / - 40 to 105 °C
Junction temperature: - 40 to 125 °C
Packages LQFP48 LQFP64 LQFP100