STM32F411RET7 - 100MHz Cortex-M4 512KB MCU | STMicroelectronics
Référence : STM32F411RET7 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $3.772 | $3,77 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
STM32F411RET7 Présentation
A microcontroller is a compact computer integrated onto one semiconductor device. It combines a processor core with program Flash, working memory, input/output ports, communication peripherals, timers, interrupts, and reset and clock circuitry. The STM32F411RET7 executes firmware to acquire data, run control algorithms, communicate with sensors, drive displays, and coordinate external devices. Its ARM Cortex-M4 architecture provides deterministic real-time processing suitable for embedded control rather than general-purpose desktop computing.
Verified features include an Arm Cortex-M4 core with DSP and FPU support, 512 Kbytes of Flash, 128 KB RAM, a maximum listed frequency of 100 MHz, and USB OTG FS. The distributor descriptions also identify the device as an STM32F4 high-performance access-line microcontroller. Its combination of 512 KB program storage and 128 KB working memory reduces the need for external memory in connected-control designs, while the integrated FPU accelerates suitable floating-point workloads.
The device uses a 64-LQFP package measuring 10 x 10 mm according to the verified distributor record. A microcontroller is classified within the semiconductor and embedded-processing hierarchy, while this part specifically provides real-time control, data acquisition, USB connectivity, and signal processing. Exact voltage ranges, I/O characteristics, peripheral assignments, pin names, operating-temperature limits, and package dimensions beyond the supplied data must be confirmed in the manufacturer documentation before schematic release.
Typical uses include USB-connected data acquisition, industrial control panels, sensor hubs, compact test equipment, consumer accessories, and communication-oriented embedded products. Its 100 MHz Cortex-M4 core supports responsive control tasks, while the DSP and FPU features are useful when an algorithm benefits from hardware floating-point execution. USB OTG FS can support a direct USB peripheral connection when the board design, firmware, and required USB class are implemented correctly.
Design planning should begin with the exact manufacturer pinout, power requirements, decoupling network, clock strategy, boot configuration, and programming interface. Do not infer unused pins or transceiver details from family knowledge. Confirm all 64 pin assignments against the official STM32F411RET7 documentation and validate USB signal routing, analog isolation, and firmware support before releasing PCB artwork. This page distinguishes verified distributor information from parameters that still require direct manufacturer confirmation.
This page consolidates the verified 100 MHz Cortex-M4, 512 KB Flash, 128 KB RAM, USB OTG FS, and 64-LQFP facts while separating unknown technical values from sourced data. It also records distributor pricing evidence, sourcing links, and engineering-selection guidance rather than presenting unverified substitute parts as drop-in replacements.
Alternatives de remplacement direct pour STM32F411RET7 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
Aucune alternative de remplacement direct disponible pour ce produit.
Demander des alternativesSTM32F411RET7 Valeurs maximales et caractéristiques électriques
| Product Type | 32-bit ARM Cortex-M4 microcontroller with DSP and FPU |
| Series | STM32F4 high-performance access line |
| Processor Core | ARM Cortex-M4 |
| Architecture | ARM 32-bit |
| Maximum CPU Frequency | 100 MHz |
| Flash Memory | 512 KB |
| Flash Organization | 512K x 8 bits |
| RAM | 128 KB |
| Digital Signal Processing Support | DSP instructions supported |
| Floating-Point Unit | FPU supported |
| USB Connectivity | USB OTG FS |
| Boîtier | 64-LQFP, 10 mm x 10 mm |
| Package Pin Count | 64 pins |
| Type de montage | Surface mount |
| LCSC Listed Price | $3.7720 as of 2026-10-22 |
Guide de configuration des broches du STM32F411RET7 64 pins
Configuration des broches du STM32F411RET7 (boîtier 64 pins). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour STM32F411RET7.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
STM32F411RET7 convient pour 6 applications: USB Data-Acquisition Controller, Industrial Sensor Hub, Digital Signal Processing Control Board, Communication Gateway, Compact Test and Measurement Instrument, Embedded Control and Automation Node.
USB Data-Acquisition Controller
The STM32F411RET7 fits a USB data-acquisition front end because its verified USB OTG FS interface can connect the embedded system to a host while the 100 MHz Arm Cortex-M4 core executes acquisition and buffering tasks. Its 512 KB Flash and 128 KB RAM provide room for firmware, USB descriptors, control logic, and data buffers without requiring external program memory. Compared with a lower-frequency Cortex-M3 design, the Cortex-M4 adds DSP and FPU resources that can accelerate filtering or transformation routines. The engineering trade-off is that USB routing, power sequencing, firmware class support, and connector protection must be validated against the exact manufacturer documentation before the PCB is released.
Recommandé
Industrial Sensor Hub
The STM32F411RET7 is appropriate for an industrial sensor hub that must combine acquisition, local processing, and host communication. The verified 512 KB Flash and 128 KB RAM support larger firmware and buffering than a basic small-memory MCU, while the Cortex-M4 DSP and FPU functions can process suitable sensor calculations. A 64-LQFP 10 x 10 mm package also supports compact, conventional surface-mount assembly. The main design concern is that the supplied data does not state operating-temperature or supply-voltage limits, so industrial environmental requirements cannot be validated from these records alone. Confirm those specifications before selecting the MCU for a deployed industrial node.
Recommandé
Digital Signal Processing Control Board
The STM32F411RET7 suits a real-time signal-processing controller because the verified 100 MHz Cortex-M4 core includes DSP instructions and a floating-point unit. Those resources make the device more suitable than a basic Cortex-M part for filters, transforms, and numeric control algorithms that benefit from hardware FPU execution. The 512 KB Flash and 128 KB RAM allow substantial firmware and working sets to remain integrated with the controller. Implementation should account for interrupt latency, peripheral clock availability, and algorithm memory. Because no detailed peripheral table or timing data was supplied, the MCU's DSP suitability does not by itself prove support for any specific sampling chain or interface.
Recommandé
Communication Gateway
The STM32F411RET7 can serve as the local controller in a communication gateway when the design needs USB connectivity plus room for protocol and application firmware. Its verified 512 KB Flash and 128 KB RAM support more demanding embedded tasks than a minimal microcontroller, and the 100 MHz Cortex-M4 core provides responsive frame processing. A gateway implementation can pair the MCU with a network interface such as W5100 or KSZ8001LI, although those parts are functional companions rather than drop-in MCU alternatives. Board-level success depends on correct pin multiplexing, level compatibility, isolation, firmware drivers, and timing. The verified data does not identify an Ethernet MAC in the target part, so Ethernet support must not be inferred.
Recommandé
Compact Test and Measurement Instrument
The STM32F411RET7 is well matched to compact test instruments that require deterministic real-time control, numeric processing, and USB connectivity. The 100 MHz Cortex-M4 core and its FPU support can handle control-loop and calibration work, while 512 KB Flash and 128 KB RAM accommodate instrument firmware and buffers. A 64-LQFP 10 x 10 mm package supports a compact controller footprint without an unusually large package. The design must still provide suitable analog front-end circuitry, protection, references, and calibration paths. No ADC resolution, DAC performance, timing channels, or operating-temperature data was verified here, so the MCU should not be presented as having a specific measurement performance class.
Recommandé
Embedded Control and Automation Node
The STM32F411RET7 can serve as an embedded control node when a product needs more processing capability than a basic 8-bit or small Cortex-M microcontroller. The verified Cortex-M4 core, DSP instructions, and FPU improve suitability for motion-oriented or numeric control tasks, while 512 KB Flash and 128 KB RAM allow application code, configuration, and buffers to be consolidated. Its surface-mount LQFP-64 package is compatible with automated assembly. Commissioning must include exact pin mapping, clock planning, reset behavior, and peripheral sharing because those details are absent from the verified snippets. Validate the MCU against the actuator, sensor, isolation, and safety requirements of the final automation system rather than relying on the general-purpose core rating.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32F411RET7 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | STM32F411RCT6 |
|---|---|---|
| Package | 64-LQFP, 10 mm x 10 mm | LQFP-64; exact physical dimensions not supplied |
| Brand | STMicroelectronics | STMicroelectronics |
| Flash Memory | 512 KB | 256 KB |
Principaux différenciateurs
- Double the verified Flash capacity of STM32F411RCT6 (vs STM32F411RCT6)
- Verified high-frequency Cortex-M4 control platform (vs STM32F103RET7)
- Integrated USB OTG FS for connected embedded designs (vs STM32F103RET7)
Notes de conception
Do not assign supply pins or decoupling values until the complete STM32F411RET7 pinout, operating-voltage range, and power-consumption tables are taken from the manufacturer documentation. Place required bulk and high-frequency decoupling capacitors at the pins specified by the reference layout, keep return currents short, and verify startup current against the chosen regulator. USB operation can add load and transient requirements beyond basic control operation, so test brownout, inrush, and regulator headroom under worst-case conditions.
Use the verified 64-LQFP 10 x 10 mm package identity only as an initial library check; final land pattern, pad lengths, pin numbering, and solder mask must come from the manufacturer package drawing. Confirm that all 64 pins are assigned or intentionally left unconnected, preserve clock and debug access, and route USB differential pairs according to the complete electrical requirements. A copied STM32F411-family symbol should not be trusted without checking each exposed power and ground connection.
Do not treat another STM32 order ending in RET7 as interchangeable. The verified comparison shows STM32F411RET7 has 512 KB Flash while STM32F411RCT6 has 256 KB, and the STM32F103RET7 uses a different Cortex-M3 family architecture. Before substitution, compare the exact pinout, supply voltage, clock tree, peripheral mix, memory map, bootloader behavior, software driver support, and package drawing. Validate with hardware because marketing pages and family names alone do not establish drop-in compatibility.
Plan the board around exact muxing and reference-design constraints after obtaining the official pinout. Separate sensitive analog routing and ground returns from digital and switching activity, respect any USB impedance specification in the complete design documentation, and provide clean clock routing with minimal stubs. Because those numerical layout parameters are absent from the verified input, do not invent trace widths or stackup values. Have the final constraints checked against the selected board factory and USB interface specification.
Informations de conformité
The supplied verified records do not explicitly establish any of these compliance statements for STM32F411RET7. No assumption was made from the manufacturer, series, or package name.