STM32F303VET6 - 512KB Flash, 72MHz ARM Cortex-M4F MCU | STMicroelectronics
MPN: STM32F303VET6 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.2 | $112.00 |
| 100 | $9.8 | $980.00 |
| 500 | $8.5 | $4,250.00 |
| 1,000 | $7.9 | $7,900.00 |
Drop-in alternatives for STM32F303VET6 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
STM32F303VCT6
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STM32F303VET6
β Drop-Inβ 99,999 In Stock
$7.9 / Unit
View Datasheet βSTM32F303VCT6
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STM32F303VET7
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STM32F303VBT6
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STM32F303VET6TR
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STM32F303VCT6
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STM32F303VET7
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STM32F303VBT6
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STM32F303VET6 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M4F with FPU |
| Maximum Clock Speed | 72 MHz |
| Flash Memory | 512 KB |
| SRAM | 80 KB |
| Supply Voltage Range | 2.0 V to 3.6 V |
| Operating Temperature Range | -40Β°C to +85Β°C |
| Package | LQFP100 (14x14 mm, 0.5 mm pitch) |
| Number of I/O Pins | 87 |
| ADC Resolution | 12-bit |
| ADC Sample Rate | 5 MSPS |
| DAC Resolution | 12-bit |
| Number of Comparators | 7 |
| Number of Operational Amplifiers | 4 |
| DMA Channels | 12 |
| Communication Interfaces | USART, SPI, I2C, CAN, USB, SDIO |
| RoHS Status | Compliant |
STM32F303VET6 Pin Configuration
| Pin 1 | PE2 β GPIO / alternate function |
| Pin 2 | PE3 β GPIO / alternate function |
| Pin 3 | PE4 β GPIO / alternate function |
| Pin 4 | PE5 β GPIO / alternate function |
| Pin 5 | PE6 β GPIO / alternate function |
| Pin 6 | VBAT β Battery backup supply |
| Pin 7 | PC13 β GPIO / RTC / tamper |
| Pin 8 | PC14 β GPIO / OSC32_IN |
| Pin 9 | PC15 β GPIO / OSC32_OUT |
| Pin 10 | PF0 β GPIO / OSC_IN |
| Pin 11 | PF1 β GPIO / OSC_OUT |
| Pin 12 | NRST β Reset (active low) |
| Pin 13 | PC0 β GPIO / ADC input |
| Pin 14 | PC1 β GPIO / ADC input |
| Pin 15 | PC2 β GPIO / ADC input |
| Pin 16 | PC3 β GPIO / ADC input |
| Pin 17 | VSSA β Analog ground |
| Pin 18 | VDDA β Analog power supply |
| Pin 19 | PA0 β GPIO / ADC / WKUP |
| Pin 20 | PA1 β GPIO / ADC |
| Pin 21 | PA2 β GPIO / USART2_TX |
| Pin 22 | PA3 β GPIO / USART2_RX |
| Pin 23 | PA4 β GPIO / DAC_OUT1 |
| Pin 24 | PA5 β GPIO / DAC_OUT2 |
| Pin 25 | PA6 β GPIO / TIM3_CH1 |
| Pin 26 | PA7 β GPIO / TIM3_CH2 |
| Pin 27 | PC4 β GPIO / ADC input |
| Pin 28 | PC5 β GPIO / ADC input |
| Pin 29 | PB0 β GPIO / TIM3_CH3 |
| Pin 30 | PB1 β GPIO / TIM3_CH4 |
| Pin 31 | PB2 β GPIO / BOOT1 |
| Pin 32 | PE7 β GPIO / TIM1_ETR |
| Pin 33 | PE8 β GPIO / TIM1_CH1N |
| Pin 34 | PE9 β GPIO / TIM1_CH1 |
| Pin 35 | PE10 β GPIO / TIM1_CH2N |
| Pin 36 | PE11 β GPIO / TIM1_CH2 |
| Pin 37 | PE12 β GPIO / TIM1_CH3N |
| Pin 38 | PE13 β GPIO / TIM1_CH3 |
| Pin 39 | PE14 β GPIO / TIM1_CH4 |
| Pin 40 | PE15 β GPIO / TIM1_CH4N |
| Pin 41 | PB10 β GPIO / I2C2_SCL |
| Pin 42 | PB11 β GPIO / I2C2_SDA |
| Pin 43 | VSS_1 β Ground |
| Pin 44 | VDD_1 β Power supply |
| Pin 45 | PB12 β GPIO / SPI2_NSS |
| Pin 46 | PB13 β GPIO / SPI2_SCK |
| Pin 47 | PB14 β GPIO / SPI2_MISO |
| Pin 48 | PB15 β GPIO / SPI2_MOSI |
| Pin 49 | PD8 β GPIO / USART3_TX |
| Pin 50 | PD9 β GPIO / USART3_RX |
| Pin 51 | PD10 β GPIO / USART3_CK |
| Pin 52 | PD11 β GPIO / USART3_CTS |
| Pin 53 | PD12 β GPIO / USART3_RTS |
| Pin 54 | PD13 β GPIO / TIM4_CH2 |
| Pin 55 | PD14 β GPIO / TIM4_CH3 |
| Pin 56 | PD15 β GPIO / TIM4_CH4 |
| Pin 57 | PC6 β GPIO / TIM8_CH1 |
| Pin 58 | PC7 β GPIO / TIM8_CH2 |
| Pin 59 | PC8 β GPIO / TIM8_CH3 |
| Pin 60 | PC9 β GPIO / TIM8_CH4 |
| Pin 61 | PA8 β GPIO / TIM1_CH1 |
| Pin 62 | PA9 β GPIO / USART1_TX |
| Pin 63 | PA10 β GPIO / USART1_RX |
| Pin 64 | PA11 β GPIO / USB_DM |
| Pin 65 | PA12 β GPIO / USB_DP |
| Pin 66 | PA13 β GPIO / SWDIO |
| Pin 67 | VSS_2 β Ground |
| Pin 68 | VDD_2 β Power supply |
| Pin 69 | PA14 β GPIO / SWCLK |
| Pin 70 | PA15 β GPIO / JTDI |
| Pin 71 | PC10 β GPIO / USART4_TX |
| Pin 72 | PC11 β GPIO / USART4_RX |
| Pin 73 | PC12 β GPIO / USART5_TX |
| Pin 74 | PD0 β GPIO / CAN1_RX |
| Pin 75 | PD1 β GPIO / CAN1_TX |
| Pin 76 | PD2 β GPIO / SDIO_CMD |
| Pin 77 | PD3 β GPIO / SDIO_CLK |
| Pin 78 | PD4 β GPIO / SDIO_D0 |
| Pin 79 | PD5 β GPIO / SDIO_D1 |
| Pin 80 | PD6 β GPIO / SDIO_D2 |
| Pin 81 | PD7 β GPIO / SDIO_D3 |
| Pin 82 | PB3 β GPIO / JTDO |
| Pin 83 | PB4 β GPIO / NJTRST |
| Pin 84 | PB5 β GPIO / I2C1_SMBA |
| Pin 85 | PB6 β GPIO / I2C1_SCL |
| Pin 86 | PB7 β GPIO / I2C1_SDA |
| Pin 87 | BOOT0 β Boot mode selection |
| Pin 88 | PB8 β GPIO / CAN2_RX |
| Pin 89 | PB9 β GPIO / CAN2_TX |
| Pin 90 | PE0 β GPIO / TIM4_ETR |
| Pin 91 | PE1 β GPIO / TIM4_CH1 |
| Pin 92 | VSS_3 β Ground |
| Pin 93 | VDD_3 β Power supply |
| Pin 94 | PB0 β GPIO / TIM3_CH3 |
| Pin 95 | PB1 β GPIO / TIM3_CH4 |
| Pin 96 | PB2 β GPIO / BOOT1 |
| Pin 97 | PE7 β GPIO / TIM1_ETR |
| Pin 98 | PE8 β GPIO / TIM1_CH1N |
| Pin 99 | PE9 β GPIO / TIM1_CH1 |
| Pin 100 | PE10 β GPIO / TIM1_CH2N |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
STM32F303VET6 is suitable for 6 applications: Industrial Motor Control, Digital Power Conversion, Medical Devices, Audio Processing, IoT Edge Nodes, Robotics.
Industrial Motor Control
The STM32F303VET6 is ideal for industrial motor control due to its high-speed ADCs (5 MSPS), comparators, and advanced timers with dead-time generation. It supports field-oriented control (FOC) for BLDC and PMSM motors, enabling efficient and precise speed and torque control. The FPU accelerates the mathematical computations required for real-time control loops, such as Clarke and Park transforms. In a typical application, the MCU reads phase currents via the ADCs, processes them with the FPU, and generates PWM signals to drive the inverter. The built-in comparators provide overcurrent protection, and the timers generate complementary PWM with programmable dead-time to prevent shoot-through. Compared to using a separate DSP, the STM32F303VET6 integrates all necessary peripherals, reducing BOM cost and board space. Designers should ensure proper isolation between the power stage and the MCU, and use the ADC sampling synchronization feature to minimize current measurement noise.
Recommended
Digital Power Conversion
The STM32F303VET6 excels in digital power conversion, such as switch-mode power supplies (SMPS) and DC-DC converters. Its high-speed ADCs (up to 5 MSPS) enable fast voltage and current sensing, while the advanced timers generate high-resolution PWM signals. The FPU accelerates the digital control loop algorithms, such as PID or state-space controllers, allowing high bandwidth and stability. In a typical application, the MCU samples the output voltage and inductor current, computes the duty cycle, and updates the PWM in real-time. The comparators can be used for cycle-by-cycle current limiting, and the DACs can provide reference voltages for analog comparators. The device's 72 MHz clock and 12 DMA channels ensure low-latency data transfer. Compared to analog controllers, the digital approach offers flexibility, programmability, and better transient response. Designers should pay attention to the ADC sampling timing and use the synchronization feature to avoid aliasing.
Recommended
Medical Devices
The STM32F303VET6 is suitable for medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high-speed ADCs and op-amps enable precise sensor signal conditioning, while the FPU handles complex algorithms like digital filtering and signal analysis. The device's low power consumption and wide supply voltage range (2.0V to 3.6V) support battery-powered portable devices. In a typical application, the MCU reads vital signs from sensors (e.g., ECG, SpO2), processes the signals to extract meaningful data, and communicates via USB or UART to a display or central station. The built-in comparators can be used for alarm generation. The device's industrial temperature range (-40Β°C to +85Β°C) ensures reliability in clinical environments. Designers must follow medical safety standards (e.g., IEC 60601) and ensure proper isolation and EMC protection.
Recommended
Audio Processing
The STM32F303VET6 is well-suited for audio processing applications, such as audio effects processors, active noise cancellation, and voice recognition. The Cortex-M4F core with FPU and DSP instructions accelerates FFT, filtering, and audio codec algorithms. The device's high-speed ADCs and DACs (12-bit) can interface directly with audio codecs or analog audio signals. In a typical application, the MCU samples audio input via the ADC, processes it (e.g., equalization, echo cancellation), and outputs via the DAC. The DMA controller enables efficient data transfer without CPU intervention. The device's 72 MHz clock provides sufficient processing power for real-time audio effects. Compared to using a dedicated DSP, the STM32F303VET6 offers a cost-effective solution with integrated peripherals. Designers should use high-quality audio codecs and ensure proper grounding to minimize noise.
Recommended
IoT Edge Nodes
The STM32F303VET6 can serve as the main controller in IoT edge nodes, handling sensor data acquisition, local processing, and communication. Its rich set of communication interfaces (USART, SPI, I2C, CAN, USB, SDIO) allows connection to various sensors and wireless modules. The FPU enables on-device signal processing, reducing the need to send raw data to the cloud. In a typical application, the MCU reads environmental sensors (temperature, humidity, gas), processes the data to detect anomalies, and sends alerts via Wi-Fi or LoRa. The device's low power modes (sleep, stop, standby) help extend battery life. The 512 KB flash provides ample space for firmware and data logging. Designers should optimize power consumption by using the low-power modes and disabling unused peripherals.
Recommended
Robotics
The STM32F303VET6 is ideal for robotics applications, including robotic arms, drones, and autonomous vehicles. Its high-speed ADCs and timers enable precise motor control, while the FPU handles kinematics and trajectory planning. The device's multiple communication interfaces allow interfacing with sensors (IMU, encoders) and actuators. In a typical application, the MCU reads joint angles from encoders, computes the inverse kinematics, and generates PWM signals for servo motors. The built-in comparators provide overcurrent protection. The device's 72 MHz clock and 12 DMA channels ensure real-time performance. Compared to using a Raspberry Pi, the STM32F303VET6 offers deterministic timing and lower power consumption, making it suitable for real-time control. Designers should implement safety features such as emergency stop and limit switches.
Recommended
Recommended Products Summary
Engineering reference data for STM32F303VET6 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32F303VCT6 | STM32F303VET7 | STM32F303VBT6 |
|---|---|---|---|---|
| Package | LQFP100 | LQFP100 | LQFP100 | LQFP100 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F |
| Maximum Clock Speed | 72 MHz | 72 MHz | 72 MHz | 72 MHz |
| Flash Memory | 512 KB | 256 KB | 512 KB | 128 KB |
| SRAM | 80 KB | 40 KB | 80 KB | 32 KB |
| ADC Sample Rate | 5 MSPS | 5 MSPS | 5 MSPS | 5 MSPS |
| Operating Temperature Range | -40Β°C to +85Β°C | -40Β°C to +85Β°C | -40Β°C to +105Β°C | -40Β°C to +85Β°C |
Key Differentiators
- High-speed ADCs (5 MSPS) with simultaneous sampling (vs STM32F103VET6)
- Integrated operational amplifiers and comparators (vs STM32F407VET6)
- Floating-point unit (FPU) for DSP (vs STM32F103VET6)
Design Notes
The STM32F303VET6 requires a stable power supply. Connect a 100nF ceramic capacitor and a 4.7uF tantalum capacitor to each VDD pin, and a 1uF capacitor to VDDA. The VCAP pins (VCAP1 and VCAP2) must be connected to ground with 2.2uF capacitors for the internal voltage regulator. Ensure the power supply can handle the peak current during flash programming and high-speed operation.
For optimal ADC performance, keep the analog supply (VDDA) and reference (VREF+) separate from the digital supply, and use a star-point grounding scheme. Place decoupling capacitors close to the pins, and avoid routing high-speed digital traces near the analog input pins. Use a ground plane to minimize noise and provide a low-impedance return path.
A common mistake is forgetting to connect the BOOT0 pin correctly. For normal flash boot, BOOT0 must be tied low (through a 10k resistor to ground). Also, ensure the NRST pin has a 100nF capacitor to ground for reliable reset. When using the SWD interface, connect SWDIO and SWCLK with pull-up/pull-down resistors as recommended in the datasheet to avoid debug connection issues.
Compliance Information
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified (industrial grade).
