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STMicroelectronics STM32F302VET6
- Part No.:
- STM32F302VET6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
STM32F302VET6.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,009
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Product details
Overview
STM32F302VET6 from STMicroelectronics is a 32-bit ARM® Cortex®-M4 microcontroller with FPU, operating at up to 72 MHz, featuring 512 KB Flash, 64 KB SRAM (with HW parity on first 32 KB), and integrated analog peripherals including two 12-bit ADCs (18-channel, 0.20 µs conversion), one 12-bit DAC, four rail-to-rail comparators, and two operational amplifiers usable in PGA mode - deployed in industrial motor control, digital power supplies, and capacitive touch HMI systems.
For engineers reviewing the STM32F302VET6 datasheet, STM32F302VET6 pinout, STM32F302VET6 application, or STM32F302VET6 equivalent, this page delivers verified technical context, validated pin functions, real-world use cases, and confirmed alternative parts for design-in decisions under 2.0–3.6 V supply, CAN 2.0B, USB FS, and high-precision analog signal conditioning requirements.
Technical Context
The STM32F302VET6 implements an ARM Cortex-M4 core with hardware FPU, single-cycle MAC, and DSP instructions, paired with a memory protection unit (MPU) for secure embedded execution. Its analog subsystem integrates dual independent ADCs with selectable 6/8/10/12-bit resolution and separate 2.0–3.6 V analog supply, plus a dedicated 2.4–3.6 V DAC supply path.
Timing architecture includes multiple advanced-control timers (e.g., TIM1 with six PWM channels, deadtime generation, emergency stop), a calendar RTC with alarm and periodic wakeup, and clock sources covering 4–32 MHz HSE, 32 kHz LSE, 8 MHz HSI (x16 PLL), and 40 kHz LSI - all managed via a flexible clock controller supporting dynamic low-power mode transitions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M4 with FPU, 72 MHz max - enables real-time DSP math (e.g., PID, FFT) without external coprocessor |
| Flash / SRAM | 512 KB Flash (code + constants), 64 KB SRAM (32 KB with HW parity) - supports complex firmware with safety-critical data integrity |
| ADC | Two 12-bit ADCs, 18-channel total, 0.20 µs conversion - allows synchronized sampling of motor phase currents and voltage feedback |
| DAC | One 12-bit DAC channel, 2.4–3.6 V analog supply - generates precise reference voltages for analog sensor excitation or calibration signals |
| Op-Amps | Two rail-to-rail op-amps, fully accessible pins, PGA mode supported - enables programmable gain front-end for current sensing without external components |
| Timers | 11 timers including TIM1 (6-PWM advanced-control), TIM6 (DAC trigger), and SysTick - supports field-oriented control (FOC) and multi-phase PWM generation |
| Interfaces | CAN 2.0B, USB 2.0 FS, 5× USART/UART, 4× SPI/I2S, 3× I2C - enables robust communication in industrial networks and human-machine interfaces |
Pinout & Package
LQFP100 (14 × 14 mm, 0.5 mm pitch) package with 100 leads; RoHS-compliant, industrial temperature range (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA | Core & analog power supply | Separate 2.0–3.6 V domains enable noise-isolated analog operation; VDDA must be ≥ VDD for ADC/DAC stability |
| VSS, VSSA | Ground return paths | Dedicated analog ground (VSSA) minimizes coupling into sensitive ADC/DAC/OPAMP circuits |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | Up to 115 fast I/Os, many 5 V-tolerant - support direct interfacing with legacy logic or sensors without level shifters |
| PA1, PA2, PA3, etc. | ADC input channels | 18 dedicated ADC inputs mapped across GPIO banks - allow simultaneous sampling of multiple analog signals (e.g., motor phases + DC bus) |
| PA4, PA5 | DAC output / OPAMP non-inverting input | PA4 = DAC_OUT1; PA5 = OPAMP1 non-inv input - enables closed-loop analog feedback using internal op-amp as buffer or amplifier |
| PD0, PD1 | CAN transceiver interface | Direct connection to external CAN PHY (e.g., TJA1050); supports 1 Mbps CAN 2.0B communication |
| PA11, PA12 | USB D+/D− | Full-speed USB 2.0 physical layer - enables device-mode HID, CDC, or DFU firmware updates without external transceiver |
Key Features
| Feature | Design Value |
|---|---|
| Flexible static memory controller (FSMC) | Supports NOR/PSRAM/NAND and PC Card/CF interfaces - enables expansion with external display buffers or data loggers |
| Capacitive sensing controller (TSC) | 24-channel touch-sensing engine - drives self- or mutual-capacitance touchkeys, sliders, and wheels without external IC |
| Programmable voltage detector (PVD) | Configurable threshold monitoring on VDD - triggers interrupt or reset before brown-out affects analog accuracy or Flash writes |
| Low-power modes (Stop/Standby) | Typical 1.9 µA Standby current with RTC active - extends battery life in portable HMI or sensor nodes |
| 96-bit unique ID | Factory-programmed serial number - enables secure device authentication and license binding in production firmware |
Applications
| Industrial Motor Control | Digital Power Supply |
|---|---|
Use Scenario: Three-phase BLDC motor drive with field-oriented control (FOC) and current/voltage sensing. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, ADC sampling motor phase currents at 20 kHz, generating 6-channel complementary PWM with deadtime. Use Value: Integrated op-amps and comparators enable analog front-end signal conditioning; advanced timers ensure precise PWM timing and fault response within 100 ns. | Use Scenario: Isolated AC/DC or DC/DC converter with digital voltage/current regulation and protection. IC Role / Device Role / Timing Role: Digital power controller managing PID loop, ADC monitoring output ripple and load transient, DAC setting reference voltage. Use Value: Dual ADCs allow simultaneous sampling of primary and secondary side signals; 12-bit DAC provides stable, noise-immune reference for error amplifiers. |
| Capacitive Touch HMI | Medical Sensor Interface |
Use Scenario: Touch-enabled diagnostic equipment panel with rotary encoder emulation and proximity wake-up. IC Role / Device Role / Timing Role: Dedicated TSC peripheral scanning 16+ electrodes, detecting gestures and proximity events while CPU remains in Stop mode. Use Value: Hardware-accelerated touch sensing reduces CPU load by >90%; ultra-low standby current (<2 µA) enables battery-powered operation for >1 year. | Use Scenario: Portable ECG or pulse oximeter with analog front-end signal acquisition and real-time filtering. IC Role / Device Role / Timing Role: Analog signal conditioner (op-amp PGA), ADC digitizer (12-bit, 18-channel), and real-time DSP engine (Cortex-M4 FPU). Use Value: On-chip op-amps eliminate external instrumentation amps; FPU accelerates QRS detection algorithms with sub-millisecond latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F303VET6 | Includes embedded bootloader, higher ADC resolution (12-bit with hardware oversampling), no FSMC | Better suited for precision measurement where external memory not required | Select when needing enhanced analog accuracy over external memory expansion |
| STM32G474RET6 | Higher CPU speed (170 MHz), improved op-amp bandwidth (10 MHz), no TSC, same LQFP100 footprint | Optimized for high-speed digital power control with faster PWM update rates | Select when upgrading performance-critical control loops without changing PCB layout |
Compared with STM32F302VET6, STM32F303VET6 trades FSMC for enhanced analog features and bootloader flexibility, while STM32G474RET6 delivers significantly higher compute throughput and op-amp bandwidth - making it ideal for next-generation digital power designs requiring sub-µs control loop closure.
Availability
STM32F302VET6 is available at Aetrix Electronics and suitable for industrial motor control, digital power supplies, capacitive touch HMIs, and medical sensor interfaces requiring stable component supply, long-term lifecycle assurance, and full traceability.
Supply support for STM32F302VET6 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for industrial, automotive, and consumer markets.
The STM32F3 series targets cost-sensitive, analog-intensive embedded applications - combining high-precision mixed-signal peripherals with Cortex-M4 performance for motor control, digital power, and human-machine interaction.
FAQ
What is the maximum operating frequency and supported voltage range for STM32F302VET6?
The STM32F302VET6 operates at up to 72 MHz using its internal PLL, with core and I/O supply (VDD) rated from 2.0 V to 3.6 V. The analog supply (VDDA) must be within 2.0–3.6 V and ≥ VDD to ensure ADC/DAC/OPAMP accuracy and stability per ST's electrical specifications.
Does STM32F302VET6 support hardware CRC calculation and memory protection?
Yes - it includes a dedicated CRC calculation unit compliant with IEEE-802.3 and a configurable Memory Protection Unit (MPU) supporting eight regions with programmable size, access permissions, and memory attributes, enabling secure task isolation in RTOS-based systems.
Can the op-amps in STM32F302VET6 be used in programmable-gain amplifier (PGA) mode?
Yes - both op-amps support PGA configuration with gains of 1, 2, 4, 8, 16, or 32 via internal resistor ladder and dedicated control registers. All op-amp terminals (in+, in−, out) are accessible on GPIO pins, allowing external feedback or sensor connection without additional components.
What debug interfaces does STM32F302VET6 support, and is SWD sufficient for full development?
It supports Serial Wire Debug (SWD) and JTAG via the SWJ-DP interface, with Embedded Trace Macrocell (ETM) for instruction tracing. SWD alone provides full flash programming, real-time variable inspection, breakpoint control, and low-pin-count debugging - sufficient for all standard development and production programming workflows.
STM32F302VET6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 100-LQFP
- Series:
- STM32F3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- 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:
- 86
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 3.6V
- Data Converters:
- A/D 17x12b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F302VET6 FAQ
1.How can I place an order for STM32F302VET6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F302VET6 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32F302VET6 reliable?
The price and inventory of STM32F302VET6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F302VET6 is usually 5 days.
3.What payment methods are accepted for STM32F302VET6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F302VET6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F302VET6?
STM32F302VET6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F302VET6 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32F302VET6?
For technical support, including STM32F302VET6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F302VET6 requirements.
6.How does Aetrix verify that STM32F302VET6 is sourced from the original manufacturer or authorized distributors?
All STM32F302VET6 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32F302VET6 meets industry standards.
7.What is the process for return or replacement of STM32F302VET6?
All STM32F302VET6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F302VET6, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32F302VET6 part is unused and in its original packaging.
Return procedure for STM32F302VET6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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