Datasheet

Description STM32F303xB STM32F303xC
12/149 DS9118 Rev 14
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)
PWM channels (all)
(1)
1. This total number considers also the PWMs generated on the complementary output channels
31 33
PWM channels (except
complementary)
22 24
Communication
interfaces
SPI (I2S)
(2)
2. 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 in LQFP100
37 in WLCSP100
5-volt tolerant
I/Os (FT, FTf)
17 25
42 in LQFP100
40 in WLCSP100
DMA channels 12
Capacitive sensing channels 17 18 24
12-bit ADCs
Number of channels
4
15 22
39 in LQFP100
32 in WLCSP100
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
WLCSP100
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