STM32G031K4U6 - 64MHz Cortex-M0+ MCU | STMicroelectronics
MPN: STM32G031K4U6 ✓ AktifSTM32G031K4U6 Genel Bakış
A microcontroller is a programmable system-on-chip that integrates a processor core, memory, and peripherals into one package. The STM32G0 series belongs to the broader embedded-processing hierarchy of Arm Cortex microcontrollers, embedded MCUs, and semiconductor devices. This combination makes the STM32G031K4U6 suitable for small control systems that must execute firmware, acquire analog measurements, generate precise timing signals, and exchange data with external controllers.
The device provides 64 MHz processing performance, 16 KB of programmable Flash, 8 KB of SRAM, and an operating voltage range of 1.7 V to 3.6 V. Its listed peripherals include two USARTs, an ADC, timers, PWM capability, and communication interfaces. Two USART channels allow simultaneous serial connections to sensors, human-interface equipment, debug adapters, or another controller, while the ADC supports measurements required in analog control loops.
The STM32G031K4U6 combines a 32-bit Arm Cortex-M0+ core with mixed-signal acquisition and timer-driven output functions. This architecture is appropriate for controls where deterministic timing, compact PCB area, and low-voltage operation are more important than a large memory capacity. Its 30 I/O positions provide connections for digital inputs, outputs, and mixed peripheral assignments, although the exact pin multiplexing must be checked against the manufacturer pin-definition data before PCB routing.
Typical uses include motor and actuator control, temperature-sensing instruments, compact motor-drive modules, industrial monitoring nodes, and low-voltage embedded control boards. The ADC can supervise a sensor or power system, while timers and PWM channels can drive displays, indicators, relays, or small motors. Two USARTs are useful for a wired host interface combined with logging or external-sensor traffic.
PCB design should preserve the low-voltage operating range of 1.7 V to 3.6 V and account for every power, ground, decoupling, programming, and reset connection in the manufacturer pinout. Place local bypass capacitance next to the supply pins, route sensitive analog inputs away from fast-switching nodes, and confirm signal levels before assigning communication interfaces. Firmware, bootloader, and peripheral configuration should also be reviewed for the selected temperature grade and package variant.
This product page consolidates the verified electrical, memory, package, interface, and lifecycle information with practical application guidance, selection criteria, and qualified replacement comparisons. It is designed to help engineers evaluate the STM32G031K4U6 quickly while preserving the package, voltage, memory, and peripheral constraints that govern a safe PCB-level substitution.
Drop-in alternatifler için STM32G031K4U6 — aynı paket, pin-başına uyumlu. PCB yeniden montajı gerektiren farklı paket bileşenleri dışlanmıştır.
Bu Serideki Variantlar
Yedek parça uyumlu olan aynı serideki modeller STM32G031K4U6 (aynı form faktörü ve ayağa oturma) — farklı olan Package, Flash Memory, Maximum CPU Frequency, Product Type, Communications Interfaces.
STM32F030K6T6
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Veri Şablonunu Görüntüle →STM32F031K4U6
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Veri Şablonunu Görüntüle →STM32G031K4U6 Maksimum Değerlendirmeler & Elektriksel Özellikler
| Product Type | 32-bit ARM Cortex-M0+ microcontroller |
| Maximum CPU Frequency | 64 MHz |
| Flash Memory | 16 KB (16K x 8) |
| RAM | 8 KB |
| Operating Voltage Range | 1.7 V to 3.6 V |
| Number of USART Peripherals | 2 |
| ADC | Present |
| Timer Peripherals | Present |
| PWM Peripherals | Present |
| Communication Interfaces | I2C, IrDA, LIN bus, SPI, UART/USART |
| Number of I/O Pins | 30 |
| DMA | Present |
| I2S | Present |
| Brown-Out Detection and Reset | Present |
| Power-On Reset | Present |
| Watchdog Timer | Present |
| Paket | UFQFPN-32, 5 x 5 mm |
| Montaj Türü | Surface Mount |
| Supply Packaging | Tray |
STM32G031K4U6 ufqfpn-32, 5 x 5 mm Pin Yapısı Kılavuzu
STM32G031K4U6 (ufqfpn-32, 5 x 5 mm paket) için pin yapısı. Bu dijital IC, GPIO, iletişim arayüzleri (UART, SPI, I2C) ve güç pinleri içerir. Alternatif pin işlevleri ve yapılandırma seçenekleri için üretici veri kitapçığını referans alın. Tünel sistem tasarımı ve PCB yerleşimi için temel bir bileşendir.
Ayrıntılı pin çıkış verisi mevcut değil: STM32G031K4U6.
Aşağıdaki veri sayfası tam pin konfigürasyonu için.
Tipik Uygulamalar
STM32G031K4U6 için uygundur 6 uygulamas: Compact Motor and Actuator Control, Temperature and Analog Monitoring, Industrial Serial Gateway, LED Lighting and Dimming Control, Battery-Powered Data Logger, Small Motor Control Module.
Compact Motor and Actuator Control
The STM32G031K4U6 fits compact motor and actuator controls because its 64 MHz Arm Cortex-M0+ core provides useful timer and control-loop performance while timers and PWM support deterministic output generation. The 1.7 V to 3.6 V range can support low-voltage systems, and the ADC allows current, position, or supply feedback to be sampled. Two USARTs can provide a command link and diagnostic output, while 30 I/O positions leave room for sensors and driver signals. Designers should verify PWM frequency, timer mapping, and output timing in the manufacturer configuration tables before assigning pins.
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Temperature and Analog Monitoring
The STM32G031K4U6 is suitable for temperature and analog monitoring modules that combine sensor acquisition with local control. Its ADC accepts analog measurements, while the 64 MHz processor can perform filtering, scaling, threshold evaluation, and communication handling. The 16 KB Flash and 8 KB RAM are sufficient for focused monitoring firmware without demanding a large memory footprint. The two USART channels allow connection to a host while leaving a second port for an external sensor or configuration interface. For accurate measurements, follow the manufacturer recommendations for analog grounding, input filtering, reference stability, and PCB trace routing.
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Industrial Serial Gateway
The STM32G031K4U6 works well in a small serial gateway that translates between a host UART and a secondary embedded interface. Its two USARTs provide independent communication paths, while I2C, SPI, IrDA, and LIN bus capabilities broaden the available peripheral options. At 64 MHz, the Cortex-M0+ core can handle protocol conversion, buffering, status reporting, and basic fieldbus timing within the limits of 16 KB Flash and 8 KB RAM. The 32-pin UFQFPN package helps minimize board area, although industrial deployment still requires review of surge protection, isolation, grounding, and environmental operating requirements.
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LED Lighting and Dimming Control
The STM32G031K4U6 is appropriate for compact LED lighting and dimming modules where accurate timing and low board area are important. Its timer and PWM resources can generate controllable drive signals, while the ADC can monitor a current-sense or supply signal for feedback regulation. The 64 MHz core supports dimming sequences, fault handling, communication, and status reporting without requiring a large processor. With 16 KB Flash and 8 KB RAM, the device suits focused rather than feature-heavy controllers. Confirm timer channels, PWM frequency, dead time if applicable, and analog feedback paths against the manufacturer pin and peripheral tables.
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Battery-Powered Data Logger
The STM32G031K4U6 supports compact battery-powered data loggers that periodically sample analog values and transmit results through a serial link. Its low-voltage operating range supports systems designed around 1.7 V to 3.6 V rails, while the ADC supports sensor acquisition and the two USARTs provide flexible host or peripheral connectivity. The 64 MHz processor allows filtering and local decision-making between transmissions. Battery-life calculations must include MCU active and sleep current, regulator losses, and external sensor consumption. The logger should use the lowest practical clock settings and peripheral configuration during idle periods, then verify retention behavior during wake-up.
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Small Motor Control Module
The STM32G031K4U6 is a good fit for a small brushless or hobby-grade motor-control module where a 32-pin package, ADC feedback, and timer-driven PWM are valuable. Its 64 MHz core can execute current sampling, commutation sequencing, speed control, and fault handling, while the mixed-signal peripherals reduce the need for separate components. The 16 KB Flash may constrain large motor-control libraries or complex field-oriented-control algorithms, so software sizing should be checked early. Validate timer mapping, PWM duty resolution, emergency-stop behavior, and the thermal performance of the selected MOSFETs and driver stage.
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Önerilen Ürünler Özeti
Mühendislik referans verileri: STM32G031K4U6 — karşılaştırma, tasarım rehberi ve uyumluluk bilgileri.
Seçim Kılavuzu
Alternatiflerle Karşılaştırma
| Parametre | Bu Ürün | STM32F030K6T6 | STM32F031K4U6 |
|---|---|---|---|
| Package | UFQFPN-32, 5 x 5 mm | UFQFPN-32, 5 x 5 mm | UFQFPN-32, 5 x 5 mm |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| CPU Core | Arm Cortex-M0+ | Arm Cortex-M0 | Arm Cortex-M0 |
| Maximum CPU Frequency | 64 MHz | 48 MHz | 48 MHz |
Ana Farklılayıcılar
- Higher clock rate than the compared STM32F0 alternatives (karşılaştırma:STM32F030K6T6)
- Cortex-M0+ processing core (karşılaştırma:STM32F031K4U6)
- Two dedicated USART channels (karşılaştırma:STM32F030K6T6)
Tasarım Notları
Treat the 32-pin UFQFPN as a fine-pitch mixed-signal design. Place the required local bypass capacitors immediately beside the power balls, use a continuous or carefully stitched ground reference, and route analog inputs away from PWM edges, serial interfaces, and switching-node copper. Confirm the exposed-pad connection and land pattern against the manufacturer package drawing. Because the 5 x 5 mm footprint leaves little escape room, finalize pin multiplexing before routing rather than relying on later board changes.
Design the supply for the complete 1.7 V to 3.6 V operating range rather than only a nominal 3.3 V rail. Separate noisy digital return paths from sensitive analog measurements where possible, and verify the regulator's startup behavior, minimum load requirements, and power-supply rejection at the frequencies present in the finished board. Estimated power figures cannot be selected without the actual VIN, IOUT, and activity profile; use those inputs with the manufacturer current data for a final thermal and battery-life assessment.
Do not substitute the MCU solely because the package and pin count appear similar. The STM32F030K6T6 runs at 48 MHz rather than 64 MHz and has different peripheral details from the STM32G031K4U6, while the STM32F031K4U6 belongs to an earlier MCU architecture. Before a PCB substitution, compare every used pin, alternate function, power pin, clock source, reset behavior, ADC, timer, communication peripheral, bootloader procedure, and firmware dependency. Validate timing and mixed-signal performance in the final hardware.
Uyumluluk Bilgisi
Compliance status is not stated in the available product records. Confirm the current declarations and material documentation with STMicroelectronics for the exact ordering code.
