STMicroelectronics STM32F303CBT6TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32F3
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor ARM® Cortex®-M4
Core Size 32-Bit Single-Core
Speed 72MHz
Connectivity CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB
Peripherals DMA, I2S, POR, PWM, WDT
Number of I/O 37
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 32K x 8
Voltage - Supply (Vcc/Vdd) 2V ~ 3.6V
Data Converters A/D 15x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-LQFP (7x7)
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM32F303CBT6TR is a mixed-signal ARM Cortex-M4 microcontroller. It operates at 72MHz and provides 128KB of flash and 32KB of SRAM. This device is optimized for real-time control, featuring fast ADCs, comparators, and advanced PWM timers. Its 48-LQFP package and 2V to 3.6V supply range make it a flexible choice for industrial and audio applications.

  • Floating-Point Unit: The Cortex-M4 FPU accelerates complex mathematical computations for control loops.
  • High-Speed ADC: Fast and accurate analog sampling is critical for real-time monitoring and feedback.
  • Advanced Timers: Dedicated motor control timers generate complex PWM waveforms with minimal CPU load.
  • Efficient Data Transfer: DMA and I2S support high-bandwidth audio and sensor data streaming.

Motor Control (FOC)

The Cortex-M4 FPU and high-speed PWM enable field-oriented control of BLDC motors with high precision.

Audio Effects Processors

With I2S and DMA, it can stream audio data efficiently for guitar pedals or synthesizers.

Industrial Drives

Its robust timer and ADC features support closed-loop current and velocity control in servo drives.

Power Inverters

72MHz processing and advanced PWM generation make it suitable for solar inverters and UPS systems.

Robotics Controllers

Multiple timers and communication interfaces allow for coordinated control of multiple motors and sensors.

Medical Pumps

Precise PWM and analog monitoring capabilities ensure accurate flow control in infusion pumps.

Q: What is the core processor?
A: It is based on the ARM Cortex-M4 core with FPU, running at up to 72MHz.
Q: What is the supply voltage range?
A: It operates from 2V to 3.6V.
Q: How much flash and RAM does it have?
A: It has 128KB of flash and 32KB of SRAM.
Q: What package is available?
A: It comes in a 48-LQFP package.
Q: Does it support I2S and DMA?
A: Yes, it includes I2S for audio and DMA for efficient data transfer.
Base Product Number : STM32F303CBT6
128KB Flash 32-bit 32KB SRAM 48-LQFP 72MHz ARM Cortex-M4 Audio DMA I2S Motor Control PWM STM32 STMicroelectronics
Q: What is the core processor?
A: It is based on the ARM Cortex-M4 core with FPU, running at up to 72MHz.
Q: What is the supply voltage range?
A: It operates from 2V to 3.6V.
Q: How much flash and RAM does it have?
A: It has 128KB of flash and 32KB of SRAM.
Q: What package is available?
A: It comes in a 48-LQFP package.
Q: Does it support I2S and DMA?
A: Yes, it includes I2S for audio and DMA for efficient data transfer.