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STMicroelectronics STM32F303VDT6
- Part No.:
- STM32F303VDT6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
STM32F303VDT6.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,087
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Product details
Overview
STM32F303VDT6 from STMicroelectronics is an ARM® Cortex®-M4 32-bit microcontroller with FPU, operating at up to 72 MHz, featuring 384 KB Flash, 80 KB SRAM (64 KB + 16 KB CCM), 4x 12-bit ADCs (0.20 µs conversion), 2x 12-bit DACs, and 7 rail-to-rail comparators - deployed in motor control systems requiring real-time analog signal conditioning and PWM generation.
For engineers reviewing the STM32F303VDT6 datasheet, STM32F303VDT6 pinout, STM32F303VDT6 application, or STM32F303VDT6 equivalent, key selection criteria include integrated op-amps for programmable gain amplification, flexible FSMC interface for external memory expansion, CAN 2.0B support for industrial bus communication, and capacitive touch sensing capability across 24 channels.
Technical Context
The STM32F303VDT6 implements a tightly coupled Cortex-M4 core with hardware floating-point unit and memory protection unit (MPU), enabling deterministic real-time execution of DSP-intensive algorithms such as field-oriented control (FOC) and sensorless commutation. Its interconnect matrix enables concurrent peripheral access without bus contention.
Analog subsystem integration includes four operational amplifiers configurable as programmable-gain amplifiers (PGA), seven ultra-fast comparators with propagation delay <100 ns, and dual 12-bit DACs with dedicated analog supply (2.4–3.6 V), supporting closed-loop feedback paths with sub-microsecond latency.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4 with FPU, 72 MHz max frequency - delivers 90 DMIPS and native DSP instruction support for real-time motor control math. |
| Flash Memory | 384 KB - sufficient for complex firmware with bootloader, safety monitoring, and field-upgradeable code sections. |
| SRAM | 80 KB total (64 KB main + 16 KB CCM with parity) - enables large buffer storage and deterministic interrupt response via tightly coupled memory. |
| ADC Performance | Four 12-bit ADCs, 0.20 µs conversion time, up to 40 channels - supports simultaneous sampling of current, voltage, and temperature in multi-phase inverters. |
| DAC Output | Two 12-bit DAC channels, monotonicity guaranteed - used for reference waveform generation or analog actuator control signals. |
| Op-Amp Count | Four rail-to-rail op-amps, all terminals accessible - allows PGA configuration for sensor signal conditioning without external components. |
| Comparator Count | Seven ultra-fast comparators (<100 ns propagation) - enables precise overcurrent detection and fast fault shutdown in power stages. |
| Communication | CAN 2.0B, USB 2.0 FS, 5× USART/UART, 4× SPI/I2S, 3× I2C - supports mixed-signal system connectivity including industrial fieldbus and human interface protocols. |
Pinout & Package
LQFP100 package (14 × 14 mm, 0.5 mm pitch), RoHS-compliant, with exposed thermal pad for enhanced thermal dissipation in motor drive applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA | Core & analog power supply | Separate 2.0–3.6 V domains enable noise isolation between digital logic and precision analog peripherals. |
| VSS, VSSA | Digital & analog ground | Dedicated analog ground plane minimizes coupling noise into ADC/DAC/OPAMP circuits. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 115 fast I/Os, many 5 V-tolerant - support direct interfacing with legacy logic and level-shifting-free sensor inputs. |
| PA1, PA2, PA3, etc. | ADC input channels | Up to 40 multiplexed ADC inputs - allow full utilization of four independent ADCs for multi-sensor acquisition. |
| PA4, PA5, PA6, PA7 | DAC output channels | Two dedicated DAC outputs with internal buffering - provide stable analog references without external op-amp stage. |
| PA0, PB0, PB1, etc. | Comparator inputs | Seven comparator inputs mapped to GPIOs - enable hardware-based overvoltage/overcurrent trip with nanosecond response. |
| PA8–PA15, PB6–PB9 | CAN TX/RX | Dedicated CAN2.0B transceiver pins - support robust differential bus communication in noisy industrial environments. |
| PC0–PC15 | FSMC address/data bus | Flexible Static Memory Controller interface - connects external NOR/PSRAM/NAND for firmware expansion or data logging. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Gain Amplifier (PGA) | Four op-amps with selectable gain (1–100×) and internal routing - eliminates need for external instrumentation amplifier in current-sense circuits. |
| Capacitive Touch Sensing | 24-channel TSC supporting touchkey, linear, and rotary sensors - enables intuitive HMI on compact industrial panels without overlay components. |
| Advanced Timers | Three 16-bit advanced-control timers with 6-channel PWM, deadtime insertion, and emergency stop - directly drive 3-phase inverter gate drivers with hardware safety. |
| Floating-Point Unit (FPU) | Single-cycle multiplication and hardware division - accelerates trigonometric, PID, and Clarke/Park transforms in motor control loops. |
| Memory Protection Unit (MPU) | Configurable region-based access control - enforces separation between application, bootloader, and safety-critical tasks per IEC 61508 requirements. |
| Low-Power Modes | Sleep, Stop, Standby with RTC wake-up - extends battery life in portable diagnostic tools while retaining real-time clock and backup register state. |
Applications
| Motor Control System | Industrial HMI Panel |
|---|---|
Use Scenario: 3-phase BLDC motor drive with current/voltage sensing, thermal monitoring, and CAN-based command interface. IC Role / Device Role / Timing Role: Central controller executing FOC algorithm, generating six-channel complementary PWM with deadtime, and managing analog signal chain. Use Value: Integrated op-amps and comparators reduce BOM count by 4–6 discrete components; advanced timers eliminate external gate driver logic. | Use Scenario: Compact operator interface with touch slider, LED status indicators, and RS-485 communication to PLC. IC Role / Device Role / Timing Role: Single-chip HMI controller handling capacitive touch decoding, LED dimming via PWM, and serial protocol translation. Use Value: 24-channel TSC enables multi-touch gesture support; 5× USARTs allow simultaneous Modbus RTU and debug port operation. |
| Power Quality Analyzer | Medical Infusion Pump |
Use Scenario: Portable device measuring harmonics, THD, and RMS values across three AC phases using isolated shunt sensing. IC Role / Device Role / Timing Role: High-speed data acquisition engine synchronizing four ADCs, computing FFTs via FPU, and storing results in SRAM. Use Value: 0.20 µs ADC conversion enables >1 MSPS effective sampling rate; 80 KB SRAM buffers 10+ cycles of waveform data before USB transfer. | Use Scenario: Battery-powered infusion pump requiring precise flow rate control, occlusion detection, and alarm signaling. IC Role / Device Role / Timing Role: Safety-certified controller managing stepper motor sequencing, pressure sensor ADC reads, and audio/visual alerts. Use Value: Seven comparators provide hardware-level occlusion trip (<100 ns); VBAT-backed RTC ensures accurate dose timing during main power loss. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F303RCT6 | 256 KB Flash, 48 KB SRAM, LQFP64 package (64-pin) | Lower memory capacity and reduced I/O count - suitable for cost-sensitive single-axis motor drives. | Select when board space and BOM cost constrain use of 100-pin LQFP; verify ADC/DAC channel mapping matches layout. |
| STM32F303VET6 | 512 KB Flash, 80 KB SRAM, same LQFP100 package | Higher Flash density enables larger safety firmware partitions and dual-bank bootloading. | Choose for applications requiring certified bootloader updates or extended feature sets like USB HID + CAN coexistence. |
Compared with STM32F303RCT6, the STM32F303VDT6 offers 50% more Flash and 20 additional I/Os for multi-peripheral coordination; versus STM32F303VET6, it trades 128 KB Flash for lower unit cost while retaining identical analog performance and timer resources.
Availability
STM32F303VDT6 is available at Aetrix Electronics and suitable for motor control systems, industrial HMI panels, power quality analyzers, and medical infusion pumps requiring stable component supply across long production lifecycles.
Supply support for STM32F303VDT6 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, specializing in microcontrollers, power management, and analog/mixed-signal ICs for industrial, automotive, and consumer markets.
The STM32F3 series targets cost-sensitive, analog-intensive embedded applications - designed to unify high-precision signal acquisition, real-time control, and connectivity in a single chip for motor drives and smart sensors.
FAQ
What is the maximum operating frequency and core type of the STM32F303VDT6?
The STM32F303VDT6 features an ARM Cortex-M4 core with integrated FPU, running at a maximum frequency of 72 MHz. It delivers 90 DMIPS and supports single-cycle multiplication and hardware division, making it suitable for real-time motor control and digital signal processing tasks without external coprocessors.
Does the STM32F303VDT6 support hardware-based motor control peripherals?
Yes - it integrates three 16-bit advanced-control timers (TIM1, TIM8, TIM20) with six complementary PWM outputs, programmable deadtime insertion, and emergency stop inputs. These timers directly interface with external gate drivers and support center-aligned PWM for low-noise inverter operation.
How many analog peripherals are integrated, and what are their key specifications?
The device integrates four 12-bit ADCs (0.20 µs conversion, up to 40 channels), two 12-bit DACs (2.4–3.6 V analog supply), seven rail-to-rail comparators (<100 ns propagation), and four op-amps usable as PGAs. All analog blocks share independent supply domains (VDDA/VSSA) for noise resilience.
Is the STM32F303VDT6 pin-compatible with other members of the STM32F303xD family?
Yes - the STM32F303VDT6 in LQFP100 is pin-compatible with other VD variants (e.g., STM32F303VET6) and shares identical peripheral mapping and electrical characteristics. Differences are limited to Flash size (384 KB vs. 512 KB) and part marking; no PCB redesign is needed for migration within the VD package.
STM32F303VDT6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 100-LQFP
- Series:
- STM32F3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- 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:
- 384KB (384K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 80K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 3.6V
- Data Converters:
- A/D 39x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F303VDT6 FAQ
1.How can I place an order for STM32F303VDT6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F303VDT6 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 STM32F303VDT6 reliable?
The price and inventory of STM32F303VDT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F303VDT6 is usually 5 days.
3.What payment methods are accepted for STM32F303VDT6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F303VDT6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F303VDT6?
STM32F303VDT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F303VDT6 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 STM32F303VDT6?
For technical support, including STM32F303VDT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F303VDT6 requirements.
6.How does Aetrix verify that STM32F303VDT6 is sourced from the original manufacturer or authorized distributors?
All STM32F303VDT6 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 STM32F303VDT6 meets industry standards.
7.What is the process for return or replacement of STM32F303VDT6?
All STM32F303VDT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F303VDT6, 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 STM32F303VDT6 part is unused and in its original packaging.
Return procedure for STM32F303VDT6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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