STM32G041K6T6 - 64MHz Cortex-M0+ 32KB MCU | STMicroelectronics
N.º de pieza: STM32G041K6T6 ✓ ActivoSTM32G041K6T6 Descripción general
A microcontroller is the central programmable component of an embedded system, combining a processor core, nonvolatile program memory, volatile data memory, and peripherals on one semiconductor die. The STM32G041 belongs to the STM32G0 family, a low-power Arm Cortex-M0+ product hierarchy positioned for cost-sensitive, high-volume control and IoT applications. Its low operating-voltage range also supports energy-conscious designs using standard low-voltage supply rails.
Key features include a 64 MHz Arm Cortex-M0+ core, 32 KB of Flash, 8 KB of SRAM, two USART peripherals, a 12-bit ADC, and AES-256 hardware encryption. These resources support serial-connected sensors, compact user interfaces, motor-control monitoring, and secure device communication. The 32-pin LQFP package provides enough I/O for external transceivers, analog inputs, programming access, and mixed-signal peripherals while remaining compatible with conventional leaded-assembly processes.
The STM32G0 architecture emphasizes efficient embedded processing while retaining familiar Arm Cortex-M programming conventions. Its clocking and peripheral resources support designs that balance responsiveness with low power, while the integrated analog and communications blocks reduce the need for external components. The 1.7 V to 3.6 V operating range makes the device suitable for 1.8 V, 2.5 V, and 3.3 V system rails, provided each selected external component shares the appropriate voltage tolerance.
Typical applications include IoT sensor nodes, digital thermometers, compact motor controllers, building-control modules, communication transceivers, and low-power consumer products. A two-USART configuration is useful for local debugging or connecting a wireless module, while the ADC supports battery, temperature, or analog-sensor monitoring. The AES-256 accelerator can improve cryptographic throughput when a connected product requires hardware-assisted encryption.
Designers should verify pin multiplexing, peripheral conflicts, clock-tree requirements, and decoupling using the manufacturer datasheet before PCB release. The 32-pin LQFP footprint simplifies hand soldering and automated through-hole assembly, but exposed thermal performance still depends on copper routing, airflow, and the selected power dissipation profile.
This product page combines exact device specifications, practical application guidance, verified sourcing links, and same-family drop-in alternatives to support component selection, schematic design, PCB planning, and procurement review.
Alternativas directas para STM32G041K6T6 — 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 STM32G041K6T6 (mismo factor de forma y huella) — difiere en Flash Memory, Package, SRAM.
STM32G051K6T6
✅ Sustitución directa ⚠️ Especificaciones sin verificarConsulte el precio
Ver hoja de datos →STM32G061K6T6
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
STM32G071K6T6
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
STM32G041K6T6 Valores máximos y características eléctricas
| Product Type | 32-bit ARM Cortex-M0+ microcontroller |
| Maximum CPU Frequency | 64 MHz |
| Flash Memory | 32 KB |
| SRAM | 8 KB |
| Tensión de alimentación de funcionamiento | 1.7 V to 3.6 V |
| USART Count | 2 |
| ADC Resolution | 12 bit |
| Encryption Accelerator | AES-256 |
| Processor Core | Arm Cortex-M0+ |
| Architecture | 32-bit RISC |
| Encapsulado | 32-pin LQFP (7 mm x 7 mm) |
| Tipo de montaje | Surface mount |
Guía de configuración de pines de STM32G041K6T6 32-pin lqfp (7 mm x 7 mm)
Configuración de pines para STM32G041K6T6 (encapsulado 32-pin lqfp (7 mm x 7 mm)). 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.
No hay datos detallados de patillaje disponibles para STM32G041K6T6.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
STM32G041K6T6 es adecuado para 6 aplicacións: Industrial IoT Sensor Node, Digital Thermometer and Environmental Monitor, Compact Motor Monitoring Controller, Battery-Powered Condition Monitoring, Building Control and Automation Module, Secure Connected Embedded Device.
Industrial IoT Sensor Node
The STM32G041K6T6 fits compact sensor nodes because its 64 MHz Arm Cortex-M0+ core can process measurements while the 8 KB SRAM handles protocol state and short data buffers. The 12-bit ADC supports analog sensing, and two USARTs can connect a wireless module while retaining a separate diagnostic interface. Operating from 1.7 V to 3.6 V allows deployment on 1.8 V, 2.5 V, or 3.3 V rails. The main design trade-off is limited Flash capacity, so firmware must avoid large local buffering and unnecessary middleware.
Recomendado
Digital Thermometer and Environmental Monitor
A digital thermometer can use the STM32G041K6T6 for sensor conversion, filtering, display updates, and digital communications. The 12-bit ADC is suitable for analog temperature elements or resistive sensor networks, while the 64 MHz core provides margin for calibration and interface handling. Its 8 KB SRAM is sufficient for compact data-processing tasks, and the two USARTs can support a display bridge or external sensor connection. Low-power behavior must be configured by disabling unused clocks and peripherals between measurements.
Recomendado
Compact Motor Monitoring Controller
The STM32G041K6T6 can supervise a small motor system by sampling current or temperature through the 12-bit ADC and coordinating timing functions through its timer resources. The 64 MHz processor supports responsive control and fault-handling logic, while the 1.7 V to 3.6 V range supports low-voltage systems. The MCU should not drive motor power directly; designers still need a suitable gate driver or H-bridge, current sensing, and protection. Firmware review must confirm that every required timer output and ADC input maps to the available LQFP pins.
Recomendado
Battery-Powered Condition Monitoring
The STM32G041K6T6 is appropriate for remote equipment monitoring where a modest processing footprint and low-voltage operation are important. The 32 KB Flash supports focused firmware, the 8 KB SRAM avoids requiring an external memory device, and the ADC can measure battery voltage or sensor inputs. Two USARTs provide flexible connectivity to a radio or service interface. For battery life, use the MCU's low-power operating modes, disable unused peripheral clocks, and select external sensors with compatible low-current behavior and shutdown modes.
Recomendado
Building Control and Automation Module
The STM32G041K6T6 can serve as the local controller in a building-automation module that reads analog inputs and communicates over serial networks. Its 64 MHz Cortex-M0+ core handles protocol and state-machine tasks, while two USARTs support isolated communications or service debugging. The 32-pin LQFP package provides a practical balance between I/O access and assembly simplicity. Industrial deployments should add appropriate transient protection, isolation, and power conditioning outside the MCU, and should verify timer and communication pin multiplexing before layout approval.
Recomendado
Secure Connected Embedded Device
The STM32G041K6T6 is suited to compact connected products that require hardware-assisted secure data handling. Its AES-256 accelerator can offload cryptographic processing from the Cortex-M0+ core, improving responsiveness when protecting commands, credentials, or transported data. The two USARTs and 12-bit ADC support communication and local monitoring, and the 1.7 V to 3.6 V range supports common low-voltage rails. Hardware acceleration does not replace a complete security architecture, so developers must still implement key management, authenticated protocols, secure boot where required, and secure firmware-update procedures.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para STM32G041K6T6 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | STM32G051K6T6 | STM32G061K6T6 | STM32G071K6T6 |
|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 32-LQFP (7x7) | 32-LQFP (7x7) | 32-LQFP (7x7) | 32-LQFP (7x7) |
| CPU Frequency | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Processor Core | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB |
Diferenciadores clave
- AES-256 hardware encryption supports secure connected-device workloads (frente a STM32G051K6T6)
- Two-USART configuration simplifies dual serial-interface designs (frente a STM32G051K6T6)
- 64 MHz Cortex-M0+ performance with 32 KB Flash and 8 KB SRAM (frente a STM32G061K6T6)
Notas de diseño
Check all device and peripheral operating limits against the selected supply rail. The STM32G041K6T6 supports a 1.7 V to 3.6 V range, but connected sensors, transceivers, pull-ups, and regulators must also support that voltage. Place the manufacturer's recommended input, output, and bypass capacitors close to their pins, and keep high-current return paths away from sensitive analog inputs.
Use the package drawing and pin-description table in the manufacturer datasheet to assign every LQFP pad. Verify alternate-function multiplexing for ADC inputs, USART signals, timer channels, debug functions, and programming pins before routing. Maintain clear copper around exposed analog and power pins, provide a low-impedance ground reference, and use test points that do not compromise signal integrity.
Do not assume that two same-package STM32G0 devices are interchangeable. Compare clock limits, peripheral instances, pin remapping, memory organization, boot behavior, and firmware support between the STM32G041K6T6 and its candidate. Also distinguish the 32-pin LQFP option from smaller UFQFPN or other package suffixes, because their land patterns and exposed-pad requirements are different.
The 32-pin LQFP provides adequate thermal spreading for many low-power IoT and control designs, but the actual junction temperature depends on supply voltage, I/O activity, clock rate, ambient temperature, and board construction. Avoid adding copper or changing clock assumptions without checking the electrical limits. For sustained high activity, use a multilayer board with an uninterrupted ground plane and calculate the thermal rise using the package and board-specific thermal information.
Información de cumplimiento
Compliance status must be confirmed from the current STMicroelectronics product documentation and declaration for the exact ordering code.
