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STMicroelectronics STM32F411VCT6
- Part No.:
- STM32F411VCT6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
STM32F411VCT6.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:475
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Product details
Overview
STM32F411VCT6 from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU, delivering 125 DMIPS at 100 MHz, featuring 512 KB Flash, 128 KB SRAM, USB OTG FS controller with on-chip PHY, and 11 timers-including six 16-bit and two 32-bit units-targeting real-time motor control and sensor hub applications.
For engineers reviewing the STM32F411VCT6 datasheet, STM32F411VCT6 pinout, STM32F411VCT6 application, or STM32F411VCT6 equivalent, key selection criteria include its 100 MHz CPU frequency with ART Accelerator enabling zero-wait-state flash execution, 12-bit 2.4 MSPS ADC with up to 16 channels, low-power Stop mode down to 9 µA, and 77 5 V-tolerant I/Os in LQFP100 package.
Technical Context
The device integrates an adaptive real-time memory accelerator (ART Accelerator) that eliminates flash wait states across full voltage (1.7–3.6 V) and temperature (−40°C to +105°C) ranges, enabling deterministic real-time response. Its dual-power-domain architecture supports Batch Acquisition Mode (BAM) for ultra-low-power peripheral operation while CPU remains in Stop mode.
Core peripherals include a dedicated audio PLL (PLLI2S) supporting I2S audio class accuracy, SDIO interface for SD/MMC/eMMC cards, and three USARTs with LIN, IrDA, and ISO 7816 support-enabling direct integration into industrial HMI and medical data loggers without external timing or level-shifting components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4 with FPU, 100 MHz max frequency, 125 DMIPS performance - enables real-time DSP algorithms (e.g., motor FOC, sensor fusion) without external co-processor. |
| Memory | 512 KB Flash (up to 100k erase/program cycles), 128 KB SRAM - sufficient for bootloader + RTOS + application firmware with OTA update partitioning. |
| ADC | 1 × 12-bit, 2.4 MSPS, 16-channel SAR ADC - supports simultaneous sampling of multiple motor phase currents or multi-sensor analog inputs. |
| Timers | Up to 11 timers: six 16-bit, two 32-bit (100 MHz), plus watchdogs and SysTick - provides independent PWM generation for 3-phase inverters and precise time-stamping for encoder quadrature signals. |
| Communication | 3×I²C, 3×USART (12.5 Mbit/s), 5×SPI/I²S, SDIO, USB OTG FS - enables concurrent connectivity to displays (SPI), audio codecs (I²S), storage (SDIO), and host PC (USB) in single-chip designs. |
| Power | Run: 100 µA/MHz; Stop (Deep power down): 9 µA typical; Standby: 1.8 µA - meets battery-backed RTC and wake-on-event requirements in portable medical or alarm systems. |
| I/O | 81 GPIOs, 77 5 V-tolerant, 100 MHz toggle rate - simplifies interface to legacy 5 V logic, industrial sensors, and optocouplers without level shifters. |
Pinout & Package
LQFP100 (14 × 14 mm, 0.5 mm pitch) package with exposed thermal pad; RoHS-compliant ECOPACK2 construction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Main power supply and ground | Dual 1.7–3.6 V domains support flexible PCB routing; VCAP pins require external 2.2 µF ceramic capacitors for core regulator stability. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 77 pins are 5 V-tolerant; all support interrupt capability and multiple alternate functions (e.g., TIMx_CHy, USARTx_TX/RX, SPIx_SCK/MISO/MOSI). |
| PC13–PC15 | RTC oscillator inputs | Support 32.768 kHz crystal for hardware calendar; internal calibration eliminates need for external trimming capacitor. |
| PA11/PA12 | USB OTG FS D+/D− | Integrated transceiver with on-chip PHY - eliminates external USB PHY IC and associated magnetics in device/host/OTG configurations. |
| PH0/PH1 | HSE oscillator inputs | Accept 4–26 MHz crystal; essential for high-accuracy system clock when USB or audio timing requires <±50 ppm stability. |
Key Features
| Feature | Design Value |
|---|---|
| ART Accelerator | Enables zero-wait-state execution from Flash at 100 MHz across full voltage/temperature range - eliminates SRAM code shadowing overhead and reduces BOM cost. |
| Batch Acquisition Mode (BAM) | Allows DMA-driven peripheral acquisition (e.g., ADC, SPI) while CPU remains in Stop mode - extends battery life in sensor hubs by >10× vs. active polling. |
| Audio PLL (PLLI2S) | Generates precise I²S clocks (e.g., 44.1/48 kHz sample rates) with <0.1% error using internal or external source - eliminates need for external audio clock generator IC. |
| Embedded CRC unit | Hardware-accelerated CRC-32 calculation - enables fast firmware integrity verification during boot or OTA updates without CPU load. |
| 96-bit unique ID | Factory-programmed serial number accessible via debug port - supports secure device authentication and license binding in connected appliances. |
Applications
| Motor Drive Systems | Medical Data Loggers |
|---|---|
Use Scenario: Closed-loop control of BLDC/PMSM motors in HVAC blowers or industrial pumps. IC Role / Device Role / Timing Role: Primary MCU executing field-oriented control (FOC) algorithm, generating 6-channel complementary PWM with dead-time insertion, and sampling current/voltage via 12-bit ADC. Use Value: 100 MHz CPU + ART Accelerator ensures sub-microsecond interrupt latency for PWM update; 77 5 V-tolerant I/Os interface directly to gate drivers and Hall sensors. | Use Scenario: Portable ECG or blood glucose monitor with local storage and USB data export. IC Role / Device Role / Timing Role: Sensor signal conditioning, real-time waveform processing, SDIO-based MMC storage, and USB OTG FS host-mode transfer to PC. Use Value: Integrated USB PHY and SDIO eliminate external interface ICs; 128 KB SRAM buffers multi-second waveform data before compression and storage. |
| Industrial PLC Modules | Home Audio Hubs |
Use Scenario: DIN-rail mounted I/O expansion module with digital input filtering and relay output control. IC Role / Device Role / Timing Role: Real-time I/O scanning engine using EXTI interrupts and timer-triggered GPIO reads/writes; watchdog supervision for fail-safe shutdown. Use Value: 81 GPIOs with interrupt capability and 11 timers enable simultaneous monitoring of 32+ discrete inputs and control of 16+ outputs with configurable debounce and pulse-width modulation. | Use Scenario: Smart speaker baseband processor handling Bluetooth LE audio streaming and local voice command preprocessing. IC Role / Device Role / Timing Role: I²S audio interface to codec, SPI-connected flash for firmware/audio assets, and USB for configuration/firmware update. Use Value: PLLI2S delivers jitter-free 48 kHz I²S clocks; 512 KB Flash stores dual-boot firmware images and acoustic model parameters for edge inference. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F401CEU6 | Same Cortex-M4 core but 100 MHz max, 512 KB Flash, 96 KB SRAM, no USB OTG FS PHY - requires external USB transceiver. | Lacks integrated USB PHY and has reduced SRAM; suitable only where USB device functionality is not required or implemented externally. | Select when cost sensitivity outweighs USB integration need and SRAM headroom is sufficient for bare-metal or lightweight RTOS use. |
| STM32F412ZGT6 | Higher-end variant: 1024 KB Flash, 256 KB SRAM, USB OTG HS/FS with PHY, crypto acceleration, and Chrom-ART GPU - larger LQFP144 package. | Targets more complex UIs and secure firmware updates; over-spec'd for basic motor control or sensor logging. | Choose when future-proofing for feature expansion (e.g., GUI rendering, AES-256 encryption) justifies higher cost and board area. |
Compared with STM32F411VCT6, STM32F401CEU6 reduces system cost by eliminating USB PHY but increases design complexity and BOM count, while STM32F412ZGT6 adds cryptographic and graphical capabilities at the expense of footprint and power - making the VCT6 the optimal balance for mid-tier real-time embedded applications requiring integrated USB and ample memory.
Availability
STM32F411VCT6 is available at Aetrix Electronics and suitable for motor drive systems, medical data loggers, industrial PLC modules, and home audio hubs requiring stable component supply across extended product lifecycles.
Supply support for STM32F411VCT6 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 STM32F4 series targets high-performance embedded applications demanding real-time processing, rich connectivity, and low-power operation - with the F411 line optimized for cost-sensitive industrial and medical edge devices needing USB integration and deterministic timing.
FAQ
What is the maximum operating temperature for STM32F411VCT6?
The STM32F411VCT6 is rated for industrial temperature range: −40°C to +105°C. This specification is validated per ST's DS10314 Rev 8 datasheet Section 6.3.1, and applies to all LQFP100-packaged variants. Operation beyond 105°C risks parametric drift in ADC accuracy, oscillator stability, and flash retention.
Does STM32F411VCT6 support USB device, host, and OTG modes simultaneously?
No. The USB OTG FS peripheral supports device mode, host mode, or OTG mode-but only one at a time, selected at runtime via software configuration of the USB_OTG_GCCFG register. Dual-role operation requires external VBUS sensing and ID pin detection circuitry per USB OTG specification, and firmware must manage mode transitions explicitly.
How many I²C interfaces can operate concurrently on STM32F411VCT6?
Up to three I²C interfaces (I²C1, I²C2, I²C3) can operate concurrently, each with independent clock control, address matching, and DMA support. All support SMBus/PMBus protocols and have programmable digital/analogue noise filters per Section 3.21 of DS10314 Rev 8 - enabling simultaneous communication with temperature sensors, EEPROMs, and power monitors.
Is the 96-bit unique ID accessible during normal operation without debug access?
Yes. The 96-bit unique ID is readable at runtime via the DBGMCU_IDCODE register (address 0xE0042000) and does not require SWD/JTAG connection. It is factory-programmed and immutable, providing a reliable identifier for firmware licensing, device authentication, or cloud registration without exposing debug interfaces.
STM32F411VCT6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 100-LQFP
- Series:
- STM32F4
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 100MHz
- Connectivity:
- I2C, IrDA, LINbus, MMC/SD/SDIO, SPI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O:
- 81
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.7V ~ 3.6V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F411VCT6 FAQ
1.How can I place an order for STM32F411VCT6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F411VCT6 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 STM32F411VCT6 reliable?
The price and inventory of STM32F411VCT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F411VCT6 is usually 5 days.
3.What payment methods are accepted for STM32F411VCT6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F411VCT6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F411VCT6?
STM32F411VCT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F411VCT6 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 STM32F411VCT6?
For technical support, including STM32F411VCT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F411VCT6 requirements.
6.How does Aetrix verify that STM32F411VCT6 is sourced from the original manufacturer or authorized distributors?
All STM32F411VCT6 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 STM32F411VCT6 meets industry standards.
7.What is the process for return or replacement of STM32F411VCT6?
All STM32F411VCT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F411VCT6, 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 STM32F411VCT6 part is unused and in its original packaging.
Return procedure for STM32F411VCT6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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