STM32F301K6U7 - 72MHz Cortex-M4 32KB MCU | STMicroelectronics
Référence : STM32F301K6U7 ✓ ActifSTM32F301K6U7 Présentation
A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals on one package. In the STM32 product hierarchy, this device belongs to the STM32F3 series of mixed-signal ARM microcontrollers. The STM32F301K6U7 combines general-purpose embedded processing with analog conversion and analog signal conditioning, allowing a compact design to control digital logic while monitoring or generating analog signals.
The principal performance features include a maximum CPU frequency of 72 MHz, single-cycle multiplication, hardware division, and an Arm Cortex-M4 FPU. Its 32 KB Flash memory provides embedded firmware storage, while 16 KB of SRAM supports working data and stack requirements. A CRC calculation unit supports data-integrity checks, and the integrated analog peripherals include a 12-bit ADC, comparator, and operational amplifier.
The mixed-signal architecture is particularly useful when a design must perform control, acquisition, and signal conditioning without relying on several separate analog and digital devices. The 5 MSPS ADC can acquire sampled analog data for monitoring and control loops, while the comparator supports threshold decisions and the operational amplifier can support analog signal conditioning. These functions must still be evaluated against the individual peripheral specifications and operating conditions in the manufacturer datasheet.
Typical uses include industrial sensor nodes, compact motor and actuator controllers, medical monitoring equipment, laboratory instruments, and communication modules. The small 32-pin UFQFPN package supports space-constrained assemblies but requires careful PCB layout, exposed-pad thermal management, and adequate decoupling. Firmware development is supported by the STM32 ecosystem, including the Arm Cortex-M4 toolchain and STMicroelectronics development resources.
A key design consideration is that board-level compatibility depends on exact package geometry, exposed-pad construction, pin assignment, electrical limits, and memory requirements. Related STM32F301K6 order codes may share the family architecture, but firmware, boot behavior, temperature grade, and packing codes must be checked before substitution. This page combines verified source data, pricing references, compatibility analysis, and application guidance to support engineering selection.
The information provided here synthesizes distributor pricing, same-family alternatives, and practical design considerations that are not consolidated in a single manufacturer document.
Alternatives de remplacement direct pour STM32F301K6U7 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec STM32F301K6U7 (même facteur de forme et même empreinte) — différant par Flash Memory, Package.
STM32F301K6U6
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
STM32F301K8U6
✅ Remplacement direct ⚠️ Spécifications non vérifiéesContactez-nous pour le prix
Voir la fiche technique →STM32F301K6U7 Valeurs maximales et caractéristiques électriques
| Product Type | 32-bit mixed-signal microcontroller |
| Processor Core | Arm Cortex-M4 |
| Maximum CPU Frequency | 72 MHz |
| Architecture | 32-bit RISC |
| Flash Memory | 32 KB (32K x 8) |
| SRAM | 16 KB |
| Floating Point Unit | Integrated |
| DSP Instructions | Supported |
| Multiplier | Single-cycle multiplication |
| Hardware Division | Supported |
| ADC Resolution | 12 bit |
| ADC Conversion Rate | 5 MSPS |
| Comparator | Integrated |
| Operational Amplifier | Integrated |
| CRC Calculation Unit | Integrated |
| Boîtier | 32-pin UFQFPN (5 x 5 mm) |
| Type de montage | Surface Mount |
Guide de configuration des broches du STM32F301K6U7 32-pin ufqfpn (5 x 5 mm)
Configuration des broches du STM32F301K6U7 (boîtier 32-pin ufqfpn (5 x 5 mm)). 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 STM32F301K6U7.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
STM32F301K6U7 convient pour 6 applications: Industrial Sensor Node, Medical Monitoring Equipment, Compact Motor Controller, Battery-Powered Instrumentation, Communication Gateway Module, Laboratory Test and Measurement.
Industrial Sensor Node
The STM32F301K6U7 fits compact industrial sensor nodes because its 72 MHz Cortex-M4 core can execute control and filtering logic while the 12-bit, 5 MSPS ADC samples analog inputs. The integrated comparator can support threshold decisions and the operational amplifier can assist with signal conditioning close to the sensor. With 32 KB of Flash and 16 KB of SRAM, the device provides a compact memory base for protocol handling and local control. Designers should keep analog traces short, use a stable reference, account for the UFQFPN exposed pad, and verify the device's industrial temperature and supply limits against the final product requirements.
Recommandé
Medical Monitoring Equipment
The STM32F301K6U7 is suitable for compact medical monitoring equipment that combines signal acquisition with embedded processing. Its 12-bit ADC can sample at 5 MSPS, while the Cortex-M4 core provides the compute required for filtering, calibration, and user-interface updates. The comparator and operational amplifier reduce the need for separate analog components when the signal chain is designed carefully. The 32-pin UFQFPN outline also preserves board area. However, medical use requires validation of leakage, noise, isolation architecture, operating-temperature range, and applicable quality requirements; none of those limits should be inferred solely from the available source snippets.
Recommandé
Compact Motor Controller
The STM32F301K6U7 can serve as the control core in a compact motor or actuator controller because the 72 MHz Cortex-M4 provides faster control-loop execution than lower-frequency microcontrollers. The 12-bit, 5 MSPS ADC can monitor current, position-sensor, or feedback signals, while PWM-capable timer resources can command the power stage. The integrated comparator may provide fast fault or threshold detection. Practical implementation requires separating sensitive analog and switching paths, stabilizing the supply, using the correct gate-driver interface, and validating thermal performance under the highest sustained motor-drive duty cycle.
Recommandé
Battery-Powered Instrumentation
The STM32F301K6U7 is appropriate for portable instrumentation when a small package, digital processing, and integrated analog functions are valuable. Its 72 MHz Cortex-M4 core supports real-time measurement and control, while the ADC, comparator, and operational amplifier can consolidate an analog front end. The 32 KB of Flash and 16 KB of SRAM are sufficient for focused embedded firmware, although exact application code and data storage must be measured. Low-power design should be based on the verified datasheet sleep currents, and battery life estimates should include the 5 MSPS ADC duty cycle, analog biasing, and regulator losses.
Recommandé
Communication Gateway Module
The STM32F301K6U7 can support a small communication gateway that manages local interfaces, status monitoring, and configuration. Its Cortex-M4 processor provides deterministic handling for protocol tasks, and its 16 KB SRAM can support packet buffering, while the integrated ADC and analog functions can monitor supply or sensor inputs. The 32-pin UFQFPN package is useful in densely populated modules. Engineers should define bootloader and firmware-update behavior, validate communication timing, isolate external transceivers from sensitive analog routing, and confirm that memory requirements remain within the 32 KB Flash limit when adding protocol stacks.
Recommandé
Laboratory Test and Measurement
The STM32F301K6U7 is well matched to laboratory instruments that require a fast control processor and integrated measurement functions. The 12-bit, 5 MSPS ADC supports sampled signal acquisition, while the Cortex-M4 can perform digital filtering, calibration, and instrument-state management. The comparator can implement threshold crossings and the operational amplifier can assist with front-end conditioning. The UFQFPN package is compact but demands careful exposed-pad soldering and thermal verification. Engineers should evaluate input bandwidth, acquisition timing, reference accuracy, noise performance, and calibration drift using the exact datasheet limits before claiming instrument-level performance.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32F301K6U7 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | STM32F301K6U6 | STM32F301K8U6 |
|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 32-pin UFQFPN (5 x 5 mm) | 32-pin UFQFPN (5 x 5 mm) | 32-pin UFQFPN (5 x 5 mm) |
| Processor Core | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 |
| Maximum CPU Frequency | 72 MHz | 72 MHz | 72 MHz |
| Flash Memory | 32 KB | 32 KB | 64 KB |
| SRAM | 16 KB | 16 KB | 16 KB |
| ADC | 12-bit, 5 MSPS | 12-bit, 5 MSPS | 12-bit, 5 MSPS |
| Integrated Analog Resources | Comparator and operational amplifier | Comparator and operational amplifier | Comparator and operational amplifier |
| Floating Point Unit | Integrated | Integrated | Integrated |
Principaux différenciateurs
- Higher clock rate than entry-level Cortex-M0 alternatives (vs STM32F301K6U6)
- Direct fit for space-constrained mixed-signal designs (vs STM32F301K8U6)
- Integrated analog-to-digital and signal-conditioning resources (vs STM32F051K6U7TR)
Notes de conception
Route the STM32F301K6U7 supply and ground connections directly to their nearest pins and provide local high-frequency bypass capacitors. The 32-pin UFQFPN exposes a thermal pad whose electrical function and soldering requirements must follow the exact package drawing. Use a compact, uninterrupted ground plane, place analog inputs away from switching nodes and digital clocks, and treat the ADC reference as a sensitive node requiring its own local decoupling.
Thermal design cannot be finalized from the supplied sources because no verified junction-temperature, power-dissipation, or package thermal-resistance values were provided. As a conservative layout rule, allocate maximum practical copper area beneath and around the exposed pad, connect it to the ground plane according to the manufacturer footprint, and minimize thermal discontinuities. Validate the finished assembly at the highest expected clock, analog-activity, and ambient-temperature conditions.
Do not substitute an STM32F301 order code solely because the core speed and package appear similar. The verified comparison data identifies STM32F301K6U6 as a potential alternative, but the ordering suffix may affect qualification, temperature grade, or packing. Confirm the datasheet ordering-information table, exposed-pad geometry, pin assignments, Flash size, SRAM, analog calibration behavior, and supply limits before approving it as a drop-in replacement.
The integrated 12-bit ADC can sample at 5 MSPS, but conversion speed does not guarantee low-noise acquisition. Keep the analog source impedance and settling requirements within the datasheet limits, use a local reference capacitor, and isolate the analog input from digital return currents. If the operational amplifier or comparator is used near the ADC, account for its bandwidth, output drive, and settling behavior rather than treating it as an ideal component.
Informations de conformité
The supplied verified source snippets do not explicitly state material-compliance or automotive-qualification status for the exact ordering code. Request current STMicroelectronics compliance documentation before qualification.
