STM32F303CBT6 STM32 32-bit Arm Cortex MCUs by STMicroelectronics

Mainstream Mixed signals MCUs Arm Cortex-M4 core with DSP and FPU, 128 Kbytes of Flash memory, 72 MHz CPU, MPU, CCM, 12-bit ADC 5 MSPS, PGA, comparators

Status: Active
Series: STM32F303CB
RoHS: Compliant
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The STM32F303xB/STM32F303xC family is based on the high-performance Arm ® Cortex ® -M4 32-bit RISC core with FPU operating at a frequency of up to 72 MHz, and embedding a floating point unit (FPU), a memory protection unit (MPU) and an embedded trace macrocell (ETM). The family incorporates high-speed embedded memories (up to 256 Kbytes of Flash memory, up to 40 Kbytes of SRAM) and an extensive range of enhanced I/Os and peripherals connected to two APB buses. The devices offer up to four fast 12-bit ADCs (5 Msps), seven comparators, four operational amplifiers, up to two DAC channels, a low-power RTC, up to five general-purpose 16-bit timers, one general-purpose 32-bit timer, and two timers dedicated to motor control. They also feature standard and advanced communication interfaces: up to two I 2 Cs, up to three SPIs (two SPIs are with multiplexed full-duplex I2Ss), three USARTs, up to two UARTs, CAN and USB. To achieve audio class accuracy, the I2S peripherals can be clocked via an external PLL. The STM32F303xB/STM32F303xC family operates in the -40 to +85 °C and -40 to +105 °C temperature ranges from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving mode allows the design of low-power applications. The STM32F303xB/STM32F303xC family offers devices in four packages ranging from 48 pins to 100 pins. The set of included peripherals changes with the device chosen.

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Features

Core: Arm® Cortex®-M4 32-bit CPU with FPU (72 MHz max), single-cycle multiplication and HW division, 90 DMIPS (from CCM), DSP instruction and MPU (memory protection unit)
Operating conditions: VDD, VDDA voltage range: 2.0 V to 3.6 V
VDD, VDDA voltage range: 2.0 V to 3.6 V
Memories 128 to 256 Kbytes of Flash memory Up to 40 Kbytes of SRAM, with HW parity check implemented on the first 16 Kbytes. Routine booster: 8 Kbytes of SRAM on instruction and data bus, with HW parity check (CCM)
128 to 256 Kbytes of Flash memory
Up to 40 Kbytes of SRAM, with HW parity check implemented on the first 16 Kbytes.
Routine booster: 8 Kbytes of SRAM on instruction and data bus, with HW parity check (CCM)
CRC calculation unit
Reset and supply management Power-on/power-down reset (POR/PDR) Programmable voltage detector (PVD) Low-power modes: Sleep, Stop and Standby VBAT supply for RTC and backup registers
Power-on/power-down reset (POR/PDR)
Programmable voltage detector (PVD)
Low-power modes: Sleep, Stop and Standby
VBAT supply for RTC and backup registers
Clock management 4 to 32 MHz crystal oscillator 32 kHz oscillator for RTC with calibration Internal 8 MHz RC with x 16 PLL option Internal 40 kHz oscillator
4 to 32 MHz crystal oscillator
32 kHz oscillator for RTC with calibration
Internal 8 MHz RC with x 16 PLL option
Internal 40 kHz oscillator
Up to 87 fast I/Os All mappable on external interrupt vectors Several 5 V-tolerant
All mappable on external interrupt vectors
Several 5 V-tolerant
Interconnect matrix
12-channel DMA controller
Four ADCs 0.20 μS (up to 39 channels) with selectable resolution of 12/10/8/6 bits, 0 to 3.6 V conversion range, single ended/differential input, separate analog supply from 2 to 3.6 V
Two 12-bit DAC channels with analog supply from 2.4 to 3.6 V
Seven fast rail-to-rail analog comparators with analog supply from 2 to 3.6 V
Four operational amplifiers that can be used in PGA mode, all terminals accessible with analog supply from 2.4 to 3.6 V
Up to 24 capacitive sensing channels supporting touchkey, linear and rotary touch sensors
Up to 13 timers One 32-bit timer and two 16-bit timers with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input Two 16-bit 6-channel advanced-control timers, with up to 6 PWM channels, deadtime generation and emergency stop One 16-bit timer with 2 IC/OCs, 1 OCN/PWM, deadtime generation and emergency stop Two 16-bit timers with IC/OC/OCN/PWM, deadtime generation and emergency stop Two watchdog timers (independent, window) SysTick timer: 24-bit downcounter Two 16-bit basic timers to drive the DAC
One 32-bit timer and two 16-bit timers with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
Two 16-bit 6-channel advanced-control timers, with up to 6 PWM channels, deadtime generation and emergency stop
One 16-bit timer with 2 IC/OCs, 1 OCN/PWM, deadtime generation and emergency stop
Two 16-bit timers with IC/OC/OCN/PWM, deadtime generation and emergency stop
Two watchdog timers (independent, window)
SysTick timer: 24-bit downcounter
Two 16-bit basic timers to drive the DAC
Calendar RTC with Alarm, periodic wakeup from Stop/Standby
Communication interfaces CAN interface (2.0B Active) Two I2C Fast mode plus (1 Mbit/s) with 20 mA current sink, SMBus/PMBus, wakeup from STOP Up to five USART/UARTs (ISO 7816 interface, LIN, IrDA, modem control) Up to three SPIs, two with multiplexed half/full duplex I2S interface, 4 to 16 programmable bit frames USB 2.0 full speed interface Infrared transmitter
CAN interface (2.0B Active)
Two I2C Fast mode plus (1 Mbit/s) with 20 mA current sink, SMBus/PMBus, wakeup from STOP
Up to five USART/UARTs (ISO 7816 interface, LIN, IrDA, modem control)
Up to three SPIs, two with multiplexed half/full duplex I2S interface, 4 to 16 programmable bit frames
USB 2.0 full speed interface
Infrared transmitter
Serial wire debug, Cortex®-M4 with FPU ETM, JTAG
96-bit unique ID

Resources


Application Notes
AN3126 Audio and waveform generation using the DAC in STM32 products
AN4312 Design with surface sensors for touch sensing applications on MCUs
AN1709 EMC design guide for STM8, STM32 and Legacy MCUs
AN3960 ESD considerations for touch sensing applications on MCUs
AN5612 ESD protection of STM32 MCUs and MPUs
AN1181 Electrostatic discharge sensitivity measurement
AN5543 Enhanced methods to handle SPI communication on STM32 devices
AN4566 Extending the DAC performance of STM32 microcontrollers
AN4776 General-purpose timer cookbook for STM32 microcontrollers
AN4206 Getting started with STM32F3 series hardware development
AN4232 Getting started with analog comparators for STM32F3 Series and STM32G4 Series devices
AN5105 Getting started with touch sensing control on STM32 microcontrollers
AN5310 Guideline for using analog features of STM32G4 Series versus STM32F3 Series devices
AN4750 Handling of soft errors in STM32 applications
AN4803 High-speed SI simulations using IBIS and board-level simulations using HyperLynx® SI on STM32 MCUs and MPUs
AN2834 How to get the best ADC accuracy in STM32 microcontrollers
AN4229 How to implement a vocoder solution using STM32 microcontrollers
AN4991 How to wake up an STM32xx Series microcontroller from low-power mode with the USART or the LPUART
AN4221 I2C protocol used in the STM32 bootloader
AN4099 Implementation of transmitters and receivers for infrared remote control protocols with MCUs of the STM32F0 and STM32F3 Series
AN4299 Improve conducted noise robustness for touch sensing applications on MCUs
AN3236 Increase the number of touchkeys for touch sensing applications on MCUs
AN5027 Interfacing PDM digital microphones using STM32 MCUs and MPUs
AN5156 Introduction to STM32 microcontrollers security
AN4838 Managing memory protection unit in STM32 MCUs
AN4807 Migrating between STM32F303 and STM32F302 line products
AN5094 Migrating between STM32F334/303 lines and STM32G431xx/G474xx/G491xx microcontrollers
AN4228 Migrating from STM32F1 Series to STM32F3 Series microcontrollers
AN4832 Migrating from STM32F303 line to STM32L4 Series and STM32L4+ Series microcontrollers
AN4538 Power consumption optimization with STM32F3xx microcontrollers
AN4908 STM32 USART automatic baud rate detection
AN4013 STM32 cross-series timer overview
AN4899 STM32 microcontroller GPIO hardware settings and low-power consumption
AN4989 STM32 microcontroller debug toolbox
AN2606 STM32 microcontroller system memory boot mode
AN4734 STM32Cube firmware examples for STM32F3 Series
AN4045 STM32F3 series in-application programming (IAP) using the USART
AN4651 STM32F3 series peripheral interconnect matrix
AN4195 STM32F30x ADC modes and application
AN4310 Sampling capacitor selection guide for touch sensing applications on MCUs
AN2639 Soldering recommendations and package information for Lead-free ECOPACK MCUs and MPUs
AN5036 Thermal management guidelines for STM32 applications
AN4316 Tuning a touch sensing application on MCUs
AN4076 Two or three shunt resistor based current sensing circuit design in 3-phase inverters
AN3155 USART protocol used in the STM32 bootloader
AN3156 USB DFU protocol used in the STM32 bootloader
AN5225 USB Type-C Power Delivery using STM32 MCUs and MPUs
AN4879 USB hardware and PCB guidelines using STM32 MCUs
AN4296 Use STM32F3/STM32G4 CCM SRAM with IAR Embedded Workbench®, Keil® MDK-ARM, STMicroelectronics STM32CubeIDE and other GNU-based toolchains
AN4277 Using STM32 device PWM shut-down features for motor control and digital power conversion
AN2548 Using the STM32F0/F1/F3/Gx/Lx Series DMA controller
AN4759 Using the hardware real-time clock (RTC) and the tamper management unit (TAMP) with STM32 microcontrollers
AN3371 Using the hardware real-time clock (RTC) in STM32 F0, F2, F3, F4 and L1 series of MCUs
AN4655 Virtually increasing the number of serial communication peripherals in STM32 applications





Application Notes for related Tools & Software
AN5698 Adapting the X-CUBE-STL functional safety package for STM32 (IEC 61508 compliant) to other safety standards
Atollic Editing Keyboard Shortcuts
AN4449 Buck-boost converter using the STM32F334 Discovery kit
AN4152 Clock configuration tool for STM32F302xx/STM32F303xx/STM32F31xxx microcontrollers
AN4841 Digital signal processing for STM32 microcontrollers using CMSIS
AN4056 EEPROM emulation in STM32F30x/STM32F31x/STM32F37x/STM32F38x microcontrollers
AN4044 Floating point unit demonstration on STM32 microcontrollers
FreeRTOS Guide
AN4323 Getting started with STemWin Library
AN5361 Getting started with projects based on dual-core STM32H7 microcontrollers in STM32CubeIDE
AN5564 Getting started with projects based on dual-core STM32WL microcontrollers in STM32CubeIDE
AN5394 Getting started with projects based on the STM32L5 Series in STM32CubeIDE
AN5360 Getting started with projects based on the STM32MP1 Series in STM32CubeIDE
AN3307 Guidelines for obtaining IEC 60335 Class B certification for any STM32 application
AN4435 Guidelines for obtaining UL/CSA/IEC 60730-1/60335-1 Class B certification in any STM32 application
AN4885 High brightness LED dimming using the STM32F334 Discovery kit
AN5418 How to build a simple USB-PD sink application with STM32CubeMX
How to do semihosting in TrueSTUDIO
AN4235 I2C timing configuration tool for STM32F3xxxx and STM32F0xxxx microcontrollers
AN4834 Implementation of transmitters and receivers for infrared remote control protocols with STM32Cube
AN3174 Implementing receivers for infrared remote control protocols using STM32F10xxx microcontrollers
Installing STM32Cubeprogrammer in TrueSTUDIO
AN5426 Migrating graphics middleware projects from STM32CubeMX 5.4.0 to STM32CubeMX 5.5.0
AN4507 PWM resolution enhancement through a dithering technique for STM32 advanced-configuration, general-purpose and lite timers
AN5464 Position control of a three-phase permanent magnet motor using X-CUBE-MCSDK or X-CUBE-MCSDK-FUL
AN4499 STM32 - nRF51822 Bluetooth Low Energy system solution
AN4502 STM32 SMBus/PMBus™ embedded software expansion for STM32Cube™
AN4657 STM32 in-application programming (IAP) using the USART
AN4734 STM32Cube firmware examples for STM32F3 Series
STM32CubeMX Installation in TrueSTUDIO
AN5731 STM32CubeMX and STM32CubeIDE thread-safe solution
AN2656 STM32F10xxx LCD glass driver firmware
AN4045 STM32F3 series in-application programming (IAP) using the USART
AN4157 STM32F3DISCOVERY peripheral firmware examples
AN3078 STM32™ in-application programming over the I²C bus
AN3116 STM32™'s ADC modes and their applications
AN5054 Secure programming using STM32CubeProgrammer
TrueSTUDIO for ARM® Migration Guide: IAR Embedded Workbench to TrueSTUDIO
AN4187 Using the CRC peripheral in the STM32 family
AN4759 Using the hardware real-time clock (RTC) and the tamper management unit (TAMP) with STM32 microcontrollers





Alternative Descriptions

MCU, 32BIT, CORTEX-M4, 72MHZ, LQFP-48 | Farnell
STM32F Series 128 KB Flash 32 KB SRAM 48 MHz 32-Bit Microcontroller - LQFP-48 | Future Electronics
MC 32bit 2V 128kB Flash 72MHz LQFP48 | Schukat Electronic
IC: ARM microcontroller | Transfer Multisort Elektronik
Microcontroller Mcu, 32 Bit, Cortex-M4, 72Mhz, Lqfp-48 | Newark Electronics
MCU 32-bit STM32F ARM Cortex M4 RISC 128KB Flash 2.5V/3.3V 48-Pin LQFP Tray | Avnet America
STMicroelectronics, STM32F303CBT6 | RS


Frequently Asked Questions

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What category does STM32F303CBT6 fall under?

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You can view similar parts to STM32F303CBT6 when available in the STM32F303 range under the specifications section at the bottom of the details page.

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Is the STM32F303CBT6 RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.

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