STMicroelectronics

STM32F051K6U7 - 32-Bit 48MHz Cortex-M0 MCU | STMicroelectronics

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32-UFQFPN (5 x 5 mm) Package 48 MHz Speed 32 KB (32K x 8) Memory
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Precio actualizado: 2026-10-23
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STM32F051K6U7 Descripción general

The STMicroelectronics STM32F051K6U7 is a 32-bit ARM Cortex-M0 microcontroller operating up to 48 MHz, with 32 KB of embedded Flash memory and a 32-pin UFQFPN package measuring 5 mm by 5 mm. It is an entry-level member of the STM32F0 family, combining a compact package with embedded control and communication peripherals for cost-sensitive embedded systems.

A microcontroller is a programmable semiconductor device that integrates a processor core, nonvolatile program memory, volatile working memory, and peripherals such as timers, serial interfaces, and analog blocks into one component. In the embedded-device hierarchy, this MCU belongs to the ARM Cortex-M0 class, within 32-bit microcontrollers, embedded processors, and semiconductor control devices. Its role is to execute firmware, acquire sensor data, control actuators, and manage communication between electronic subsystems.

The verified product data identifies a 48 MHz ARM Cortex-M0 core, 32-bit architecture, and 32 KB Flash organized as 32K x 8. The STM32F051K6U7 is identified as an STM32F0 microcontroller with enhanced peripherals and I/O resources, making it suitable for compact control nodes and embedded products. Its 32-pin surface-mount package supports space-constrained board designs, although the exact pin names and electrical limits require confirmation from the manufacturer datasheet.

Compared with larger STM32 devices, this part emphasizes a small footprint and entry-level integration rather than maximum memory or high peripheral complexity. That balance is useful when a board requires deterministic control-loop execution, low board area, and a straightforward ARM Cortex-M software ecosystem without the resource envelope of a higher-end MCU. The provided data does not specify SRAM, ADC resolution, timer counts, supply voltage, operating temperature, or package dimensions beyond the verified 5 mm by 5 mm package indication.

Typical applications include small industrial control nodes, sensor interfaces, compact automation controllers, communication modules, and basic motor-control loops. The 48 MHz Cortex-M0 core provides a balance between processing capability and embedded cost, while the 32 KB Flash footprint favors firmware images that do not require a large application program. The UFQFPN-32 package is particularly useful where board space is constrained, but careful pad layout and exposed-pad thermal design remain important.

For a new design, engineers should verify the complete pinout, electrical characteristics, memory map, peripheral availability, and package drawing in the manufacturer documentation before layout. The verified search data confirms the product family and distributor presence, but it does not provide enough detail to safely enumerate every pin or guarantee that any listed substitute is electrically and pin compatible. This page therefore distinguishes verified identity data from fields requiring engineering confirmation.

Alternativas directas para STM32F051K6U7 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.

Variantes de esta serie

Modelos de la misma serie compatibles directamente con STM32F051K6U7 (mismo factor de forma y huella) — difiere en Package, Product Type.

STMicroelectronics
Package: 32-LQFP, 7 x 7 mm
Product Type: 32-bit Arm Cortex-M0 microcontroller
Comparar con STM32F051K6U7 →

Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:

STM32F051K6U6

✅ Sustitución directa
📦 32-UFQFPN (5 x 5 mm)
Related STM32F051K6 variant; exact electrical, ordering, and pinout differences are not quantified in the supplied data

📋 Alternativa de referencia (no en el catálogo)

STM32F051K8U7

✅ Sustitución directa
📦 32-UFQFPN (5 x 5 mm)
Related STM32F051 variant; memory or ordering differences may exist, but exact quantified differences are not supplied

📋 Alternativa de referencia (no en el catálogo)

STM32F051K6U7TR

✅ Sustitución directa
📦 32-UFQFPN (5 x 5 mm)
Related ordering variant listed in comparison data; packaging or ordering differences are not fully specified

📋 Alternativa de referencia (no en el catálogo)

STM32F030K6T6TR

✅ Sustitución directa
STMicroelectronics
📦 UFQFPN-32 (5 x 5 mm)
32-bit Arm Cortex-M0 microcontroller · 48 MHz · 32 KB · 4 KB · 2.4 V to 3.6 V · 12 bit · Arm Cortex-M0 · 32-bit RISC

✓ En stock

$0.7105 / unidad

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ℹ️ 1 pieza(s) de otro encapsulado ocultas — un encapsulado diferente requiere retrabajo de la PCB y no es una sustitución directa real. Contáctenos si necesita sugerencias de otros encapsulados.

STM32F051K6U7 Valores máximos y características eléctricas

Product Type 32-bit microcontroller
Manufacturer STMicroelectronics
Core ARM Cortex-M0
Architecture 32-bit RISC
Maximum CPU Frequency 48 MHz
Embedded Flash Memory 32 KB (32K x 8)
Encapsulado 32-UFQFPN (5 x 5 mm)
Tipo de montaje Surface mount
Series STM32F0
Core Size 32-bit
CPU Architecture ARM Cortex-M0 RISC
Program Memory Type Embedded Flash
Product Classification Entry-level ARM Cortex-M0 MCU
Application Class Embedded control and communication
Package Pin Count 32 pins

Guía de configuración de pines de STM32F051K6U7 32 pins

Configuración de pines para STM32F051K6U7 (encapsulado 32 pins). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.

Diagrama de patillaje del encapsulado 32 pins para STM32F051K6U7

No hay datos detallados de patillaje disponibles para STM32F051K6U7.

Consulte la hoja de datos para ver la configuración completa de patillas.

Aplicaciones típicas

STM32F051K6U7 es adecuado para 6 aplicacións: Compact Industrial Control Node, Sensor Interface and Data Acquisition, Basic Motor-Control Loop, Embedded Communication Module, Compact Automation Controller, Battery-Powered Embedded Device.

🏭

Compact Industrial Control Node

The STM32F051K6U7 fits compact industrial control nodes because its 48 MHz ARM Cortex-M0 core can execute control logic while the 32 KB Flash footprint supports a focused firmware image. The 5 mm by 5 mm 32-pin UFQFPN package helps constrain board area in distributed control boxes. A designer should verify GPIO availability, communication peripherals, supply limits, and watchdog behavior in the datasheet before selecting it for a deployed node.

🧩

Sensor Interface and Data Acquisition

The STM32F051K6U7 is suitable for sensor-interface products that need a compact 32-bit control platform and up to 48 MHz processing. Its Flash capacity of 32 KB is appropriate for firmware that samples sensors, filters data, and communicates results, although SRAM and ADC details must be checked. The small UFQFPN package is useful where the sensor board must fit inside a compact instrument enclosure.

⚡

Basic Motor-Control Loop

The STM32F051K6U7 can serve as the controller in a basic motor-control loop because its ARM Cortex-M0 core operates at up to 48 MHz and provides a compact embedded platform. The MCU can coordinate timing, sensor inputs, and actuator commands, while a dedicated gate-driver or power stage handles the motor current. Verify timer channels, PWM resolution, pin routing, voltage limits, and thermal requirements before implementation.

🌐

Embedded Communication Module

The STM32F051K6U7 can be used as the host MCU in a small communication module when the design requires local protocol processing, event handling, and a compact footprint. Its 48 MHz Cortex-M0 core and 32 KB Flash provide a defined embedded baseline, while the UFQFPN-32 package leaves more board area for a radio or network interface. The verified data does not enumerate UART, SPI, I2C, CAN, or USB resources, so peripheral selection requires datasheet confirmation.

⚙️

Compact Automation Controller

The STM32F051K6U7 is appropriate for compact automation controllers where a small package, 32-bit processing, and a 48 MHz operating point are more important than maximum memory. It can manage local control sequences, monitor inputs, and coordinate outputs in a small controller platform. Before committing to a design, validate the exact I/O count, ADC capabilities, timer assignments, reset behavior, and supply requirements against the manufacturer documentation.

🔋

Battery-Powered Embedded Device

The STM32F051K6U7 can be considered for a compact battery-powered embedded device when the application needs more deterministic control than a very small low-end MCU while keeping board area low. The 32 KB Flash memory places a clear limit on firmware size, and the available SRAM and low-power modes are not specified in the supplied verified data. Validate sleep behavior, wake sources, supply range, and current consumption before selecting it for energy-sensitive operation.

What is the STM32F051K6U7?
The STM32F051K6U7 is an STMicroelectronics 32-bit ARM Cortex-M0 microcontroller operating at up to 48 MHz, with 32 KB of embedded Flash memory in a 32-pin UFQFPN package. The verified STMicroelectronics product listing identifies it as part of the STM32F051 microcontroller family, while the distributor listing identifies the package as 32-UFQFPN, 5 mm by 5 mm.
What specifications should engineers know about the STM32F051K6U7?
The key verified specifications for the STM32F051K6U7 are a 32-bit ARM Cortex-M0 RISC core, a maximum operating frequency of 48 MHz, and 32 KB of embedded Flash memory organized as 32K x 8. It is supplied in a 32-pin UFQFPN package measuring 5 mm by 5 mm. SRAM size, supply voltage, ADC resolution, and temperature limits were not specified in the supplied verified data.
Where can I download the STM32F051K6U7 datasheet?
The official STMicroelectronics product page for the STM32F051K6 family is available at the listed manufacturer URL: https://www.st.com/en/microcontrollers-microprocessors/stm32f051k6.html. The supplied search results also identify a datasheet page on datasheets.com and an Octopart datasheet page. Download the current manufacturer documentation before making a PCB or firmware decision because the verified data does not provide the full document contents.
What is the STM32F051K6U7 operating frequency?
The STM32F051K6U7 operates at up to 48 MHz according to the verified STMicroelectronics listing and distributor descriptions. That figure refers to the microcontroller CPU frequency, not an external communication clock. Power-supply limits, clock-tree details, peripheral clock behavior, and maximum bus timing must be confirmed in the manufacturer datasheet before final system design.
How much Flash memory does the STM32F051K6U7 have?
The STM32F051K6U7 contains 32 KB of embedded Flash memory, identified in the verified distributor result as 32 KB, or 32K x 8. This is the available program-memory figure used for initial firmware sizing. The supplied data does not confirm boot-ROM size, bootloader behavior, EEPROM, SRAM capacity, or the exact memory map.
What package does the STM32F051K6U7 use?
The STM32F051K6U7 uses a 32-pin UFQFPN package measuring 5 mm by 5 mm, as stated in the verified DigiKey result. The exact pin names, exposed-pad connection, land pattern, and recommended PCB footprint are not included in the supplied data, so the current STMicroelectronics package drawing must be used before routing.
Is the STM32F051K6U7 suitable for embedded control applications?
The STM32F051K6U7 is suitable for compact embedded control applications requiring an ARM Cortex-M0 core, up to 48 MHz execution, and 32 KB of Flash. Its small 32-pin UFQFPN package can help reduce board area. Suitability still depends on the required GPIO count, analog functions, communication peripherals, memory, voltage range, and thermal environment, which are not all confirmed by the supplied verified data.
Can STM32F051K6U7 replace STM32F051K6U6?
The STM32F051K6U6 and STM32F051K6U7 are closely related STM32F051K6 devices, but the supplied cross-reference data does not provide a manufacturer pin-to-pin statement or a complete electrical comparison. Treat them as candidates for review rather than confirmed drop-in replacements. Verify package dimensions, pinout, clock and memory configuration, temperature grade, and ordering information in STMicroelectronics documentation.
Can STM32F051K6U7 replace STM32F051K8U7?
The STM32F051K6U7 and STM32F051K8U7 appear in the supplied comparison results, but the evidence does not establish exact pin compatibility or identical electrical ratings. Because the K6 and K8 suffixes may indicate different memory-density variants, engineers should compare the official datasheets, package drawings, and device configuration before using one as a replacement.
What is the best drop-in replacement for the STM32F051K6U7?
No confirmed drop-in replacement is identified in the supplied verified web data. The search results provide cross-reference tools and comparison pages but do not verify a candidate as having the same UFQFPN-32 footprint, pinout, memory configuration, clock behavior, and electrical limits. The safest replacement workflow is to use a manufacturer-approved substitution or independently validate a candidate against the current datasheet and PCB footprint.
Where can I buy the STM32F051K6U7 online?
The supplied data lists the STM32F051K6U7 at DigiKey, Mouser, LCSC, and WIN Source, with a verified LCSC snippet showing a starting price of 4.5413 USD and four units in stock. Prices and inventory are time-sensitive, so confirm the current listing, authorized status, and shipping quantity directly with the distributor. The verified search data was fetched on 2026-10-23.
How much does the STM32F051K6U7 cost?
The supplied LCSC search result lists STM32F051K6U7 from 4.5413 USD, but no complete quantity-tier price table was provided. Therefore, the one-unit price is recorded here as the only verified commercial value; quantities of 10, 100, 500, and 1000 remain marked as data needed. Verify the current price and currency before issuing a purchase order.
What is the lead time for the STM32F051K6U7?
A confirmed production lead time is not provided in the verified web data. DigiKey describes the part as available to buy and ship today, while LCSC shows four units in stock, but those statements do not establish a guaranteed quantity lead time. For a scheduled build, request a written quotation and delivery commitment from an authorized distributor.
Is STM32F051K6U7 in stock?
The verified LCSC search result reported four STM32F051K6U7 units in stock at the time of retrieval, while the DigiKey result says buy now and ships today. These are time-sensitive observations, not a guarantee of current inventory. Check the distributor listing, authorized status, and required quantity before relying on either statement.
What are the common STM32F051K6U7 design considerations?
The primary design considerations are package footprint verification, clock and supply design, firmware memory sizing, decoupling, and validation of peripheral assignments. The verified data confirms 48 MHz operation and 32 KB Flash, but does not provide pin names, voltage limits, decoupling values, or thermal data. Use the current STMicroelectronics datasheet and reference design information for those implementation details.

Datos de referencia de ingeniería para STM32F051K6U7 — comparación, orientación de diseño e información de cumplimiento.

Guía de selección

Choose the STM32F051K6U7 when the design needs a compact 32-pin STM32F0 microcontroller with an ARM Cortex-M0 core, up to 48 MHz operation, and 32 KB of embedded Flash. It is a practical fit for small control nodes, sensor interfaces, communication modules, and focused automation controllers where board area matters. The K6U6 and K6U7TR related parts may be considered for sourcing or ordering review, but they should not be treated as drop-in replacements until the official pinout, electrical ratings, and memory configuration are checked. STM32F030K6T6TR may suit a related STM32F0 design only after confirming its exact resources and package drawing. A cross-brand substitute is not recommended from the supplied evidence because no verified pin-to-pin cross-brand equivalent was identified.

Comparación con alternativas

Parámetro Este producto STM32F051K6U6 STM32F051K8U7 STM32F051K6U7TR STM32F030K6T6TR
Package 32-UFQFPN (5 x 5 mm) 32-UFQFPN (5 x 5 mm) - package stated as related variant; verify official drawing 32-UFQFPN (5 x 5 mm) - package stated as related variant; verify official drawing 32-UFQFPN (5 x 5 mm) - related ordering variant UFQFPN-32 (5 x 5 mm) - related STM32F0 package
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Core ARM Cortex-M0 ARM Cortex-M0 ARM Cortex-M0 ARM Cortex-M0 ARM Cortex-M0 family; exact core details require verification
Series STM32F0 STM32F051 STM32F051 STM32F051 STM32F0

Diferenciadores clave

  • Compact 48 MHz Cortex-M0 control platform (frente a STM32F051K6U6)
  • Entry-level STM32F0 integration (frente a STM32F030K6T6TR)
  • 5 mm by 5 mm 32-pin package (frente a STM32F051K8U7)

Notas de diseño

Use the current STMicroelectronics UFQFPN-32 land pattern and package drawing rather than inferring the footprint from the generic 5 mm by 5 mm package description. Confirm exposed-pad treatment, thermal-via recommendations, solder mask clearance, and pin numbering before PCB release. The supplied verified data confirms the package size but does not provide the exact pin names or exposed-pad dimensions.

Define the local supply rails and decoupling only after checking the STM32F051K6U6 family datasheet. Place required bypass capacitors close to the appropriate power pins, follow the manufacturer grounding recommendation, and verify startup, reset, and brownout behavior with the intended supply range. The supplied data does not state operating voltage, current consumption, or capacitor values, so those values must not be guessed.

Do not treat a related STM32F0 part as a drop-in replacement solely because its family and package appear similar. Compare the exact pinout, Flash size, SRAM, peripheral mapping, clock limits, temperature grade, and ordering suffix. STM32F051K6U6 and STM32F051K8U7 appear in comparison results, but the supplied data does not establish quantified differences for every field.

Plan signal-integrity and layout constraints around the actual pin assignment selected from the official datasheet. Keep sensitive analog and communication routing away from noisy switching nodes, maintain short return paths, and provide clean ground references around the MCU. The verified data identifies a compact 32-pin surface-mount package but does not identify which pins are analog, communication, debug, or power pins.

Información de cumplimiento

RoHS
Unknown
REACH
Unknown
AEC-Q100
Unknown
Libre de plomo
Unknown
Libre de halógenos
Unknown
Minerales en conflicto
Unknown

The supplied verified web data does not provide explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. Compliance must be confirmed from the current STMicroelectronics product documentation and applicable distributor records.

Datos verificados el: 2026-10-23 — datos verificados y seleccionados por el equipo de ingeniería de componentes de XAIPART

Búsquedas relacionadas

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Componentes & términos relacionados

STMicroelectronics STM32F051K6U7 STM32F051K6 STM32F0 ARM Cortex-M0 32-bit RISC microcontroller embedded processor semiconductor 32 KB Flash 48 MHz 32-UFQFPN surface mount industrial control sensor interface motor control communication module STM32F051K6U6 STM32F051K8U7 STM32F030K6T6TR RoHS REACH AEC-Q100 embedded control 5 mm by 5 mm package
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