STM32G051K8T6 - 64MHz Cortex-M0+ MCU | STMicroelectronics
MPN： STM32G051K8T6 ✓ 啟用中STM32G051K8T6 概覽
A microcontroller is a programmable semiconductor that combines a processor core, nonvolatile Flash program memory, volatile SRAM, and peripherals on one integrated circuit. The STM32G051 belongs to the STM32G0 mainstream MCU hierarchy: microcontroller, embedded microcontroller, Arm Cortex-M0+ processor, and power-management-compatible system-on-chip. This family targets applications where compact control, low voltage, and efficient embedded processing are more important than a high-end application processor.
The Cortex-M0+ core provides 32-bit processing at up to 64 MHz while retaining a simple instruction set suited to real-time control. Program storage is provided by 64 KB of protected Flash, and the device includes 18 KB of SRAM. Two USART interfaces support serial peripherals, while timers, ADC, DAC, and communication interfaces broaden the range of supported sensor, actuator, control, and communication functions.
The 1.7 V to 3.6 V supply range makes the MCU suitable for 3.3 V systems and compatible low-voltage rails. Its 32-LQFP 7 x 7 mm package provides a practical option for prototyping, mixed-signal control boards, compact industrial controllers, and cost-sensitive consumer equipment. The exposed thermal performance, exact pin functions, and full electrical limits must be confirmed in the manufacturer datasheet before layout sign-off.
Typical applications include industrial sensing and actuator control, compact motor-control modules, building and access equipment, consumer controls, communication equipment, and low-cost IoT gateways. Two USARTs are useful when connecting a host controller and an external radio or sensor module, while the ADC and DAC support analog measurement and signal-generation tasks.
Designers should budget input and output decoupling close to the supply pins, confirm the selected oscillator configuration against the application’s timing requirements, and validate every peripheral signal against the 32-pin package data. Firmware should also include brownout, clock, reset, and peripheral-state checks rather than relying on power-on defaults alone.
This page consolidates the verified manufacturer and distributor information, distinguishes direct drop-in alternatives, and adds application guidance, comparison parameters, and PCB-oriented design considerations that are not organized together in a distributor listing.
直接替換替代品，適用於 STM32G051K8T6 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： STM32G051K8T6 （相同外形與佔位） — 差異在於 AEC-Q100 Qualification, Flash Memory, Package.
STM32G051K8T7
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32G071K8T6
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32G071K8U6
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →STM32G061K8T6
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32G061K8U6
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32G051K8T6 最大額定值與電氣特性
| Product Type | 32-bit ARM Cortex-M0+ microcontroller |
| Series | STM32G0 mainstream series |
| CPU Core | Arm 32-bit Cortex-M0+ |
| Maximum CPU Frequency | 64 MHz |
| Flash Memory | 64 KB |
| Flash Organization | 64K x 8 |
| SRAM | 18 KB |
| SRAM Parity Support | 16 KB with hardware parity check |
| 工作電源電壓 | 1.7 V to 3.6 V |
| USART Count | 2 |
| ADC | Integrated |
| DAC | Integrated |
| Timer Resources | Integrated timers |
| Communication Interfaces | Integrated communication interfaces |
| 封裝 | 32-LQFP, 7 x 7 mm |
| 安裝類型 | Surface mount |
| 工作溫度 | -40 °C to +85 °C / +105 °C / +125 °C across device variants |
| Flash Protection | Protected and securable area |
| RoHS 狀態 | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | unknown |
STM32G051K8T6 32-lqfp, 7 x 7 mm 腳位配置指南
STM32G051K8T6（32-lqfp, 7 x 7 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： STM32G051K8T6.
請參閱 資料表 以查看完整腳位配置。
典型應用
STM32G051K8T6 適用於 6 應用s: Industrial Sensor and Actuator Control, IoT Sensor Hubs, Compact Motor and Relay Control, Access and Building Control, Communication Equipment, Consumer Controls and Embedded Products.
Industrial Sensor and Actuator Control
The STM32G051K8T6 fits compact industrial sensing and actuator modules because its 64 MHz Cortex-M0+ core provides deterministic control performance while the 1.7 V to 3.6 V operating range supports low-voltage system rails. The integrated ADC can acquire sensor signals, and the DAC can provide an analog reference or control output. Two USARTs allow simultaneous use of an external transceiver and a local service or diagnostic port. In a distributed control box, the MCU can sample inputs, apply filtering and threshold logic, operate relays or motor drivers, and report status without requiring a separate processor. The 64 KB Flash provides space for protocols and application logic, while 18 KB of SRAM supports buffering. The 32-LQFP 7 x 7 mm package keeps the controller compact, although designers must follow the datasheet for decoupling, oscillator, and unused-pin requirements.
推薦
IoT Sensor Hubs
The STM32G051K8T6 is well suited to a low-cost IoT sensor hub that must process measurements locally and forward them through a serial radio or gateway link. Its 64 MHz Cortex-M0+ core can handle sampling schedules, filtering, threshold decisions, and protocol framing, while 64 KB of Flash accommodates embedded firmware and 18 KB of SRAM provides working space for temporary data. The two USARTs allow one interface for a radio module and another for local sensors, diagnostics, or configuration. Its 1.7 V to 3.6 V operating range is compatible with common low-voltage power systems. The 32-LQFP package also supports cost-sensitive board layouts and hand-soldering during prototyping. Firmware designers should implement watchdog recovery, brownout handling, and communication timeouts, while hardware designers should verify wake-up, clock-start, and peripheral current behavior in the manufacturer documentation.
推薦
Compact Motor and Relay Control
The STM32G051K8T6 can serve as the supervisory controller in a compact motor, valve, or relay-control module. Its integrated timers support periodic timing and PWM-related control tasks, while the 64 MHz Cortex-M0+ core has sufficient throughput for closed-loop logic, fault monitoring, and communication. The ADC can monitor current, temperature, or analog feedback, and the DAC can generate a reference where the selected motor interface requires it. A 32-LQFP package preserves board area in space-constrained equipment, and the 1.7 V to 3.6 V range simplifies integration with 3.3 V control electronics. In a relay controller, the MCU can sequence outputs, enforce minimum dwell times, detect stuck contacts, and log events through a USART. The principal design tradeoff is that the MCU controls rather than directly carries high-power loads, so suitable driver transistors, protection networks, and isolation must be added.
推薦
Access and Building Control
The STM32G051K8T6 is appropriate for access-control readers, door-control modules, and compact building equipment where deterministic digital control and serial device support are required. Its two USARTs can connect a credential reader and a local network transceiver, while the ADC can monitor analog feedback from sensors. The 64 KB Flash and 18 KB SRAM support credential protocols, event logging, debounce logic, and status display control. The compact 32-LQFP 7 x 7 mm package is useful in door hardware where board area is constrained. Its 1.7 V to 3.6 V supply range also allows operation from regulated low-voltage rails. A practical implementation uses the MCU for timing and policy decisions while separate devices handle card readers, lock drivers, keypads, and network links. Because access equipment may be exposed to ESD and switching transients, the board must include appropriate protection and must not rely on the MCU pins for direct relay or motor loads.
推薦
Communication Equipment
The STM32G051K8T6 can be used in protocol bridges, terminal controllers, and communication equipment that need flexible serial connectivity without a high-performance application processor. Two USARTs allow separate data and management channels, and the 64 MHz Cortex-M0+ core can frame packets, maintain protocol timers, and coordinate peripheral activity. The 64 KB Flash and 18 KB of SRAM are appropriate for compact firmware with limited buffering, while the 32-LQFP package simplifies assembly in space-constrained electronics. The ADC and DAC may support analog line monitoring or test functions when required by the equipment design. In a serial-to-Ethernet bridge, for example, the MCU could manage a USART link and a separate Ethernet PHY while buffering traffic. Firmware compatibility must be verified when changing between STM32G0 variants because peripheral sets and clock arrangements can differ even when the package and core are similar.
推薦
Consumer Controls and Embedded Products
The STM32G051K8T6 is a practical choice for cost-sensitive consumer controls, small appliances, instrument panels, and other embedded products. Its 64 MHz Cortex-M0+ core can execute user-interface state machines, debounce controls, run timers, and supervise sensors, while the ADC supports analog knobs, temperature sensing, or product-health monitoring. The two USARTs provide options for a display controller, external memory, service connector, or radio module. A 64 KB Flash budget and 18 KB of SRAM fit many focused products without requiring external memory. The 32-LQFP package offers a compact footprint and exposed leads that simplify inspection and rework, while operation from 1.7 V to 3.6 V supports low-power rail architectures. For a new design, validate brownout behavior, standby current, clock accuracy, and peripheral availability in the manufacturer datasheet, and reserve test points for programming and production diagnostics.
推薦
推薦產品摘要
工程參考資料，適用於 STM32G051K8T6 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | STM32G051K8T7 | STM32G071K8T6 | STM32G071K8U6 | STM32G061K8T6 | STM32G061K8U6 |
|---|---|---|---|---|---|---|
| Package | 32-LQFP (7 x 7 mm) | 32-LQFP (7 x 7 mm) | 32-LQFP (7 x 7 mm) | 32-LQFP (7 x 7 mm) | 32-LQFP (7 x 7 mm) | 32-LQFP (7 x 7 mm) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| CPU Core | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ |
| Maximum Frequency | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
主要差異化特點
- Balanced embedded resource set for compact control products (對比STM32G071K8T6)
- Two serial interfaces support concurrent communication roles (對比STM32G061K8T6)
- Integrated analog resources reduce external component demand (對比STM32G071K8T6)
設計說明
The STM32G051K8T6 operates from 1.7 V to 3.6 V, so the supply design must maintain the selected rail across load transients, startup, and brownout conditions. Place the manufacturer-recommended bypass capacitors close to the corresponding supply and ground pins, and verify regulator stability with the output-capacitance range specified in the datasheet. If the MCU is powered from a switched source, sequence the rail so that external pull-ups or transceivers cannot back-power an unpowered MCU.
Reserve the 32-LQFP 7 x 7 mm footprint according to the official land pattern and keep sensitive analog inputs away from switching nodes and high-current return paths. Route the ADC and DAC connections compactly, provide a quiet ground reference for measurements, and avoid routing communication signals directly beneath the device when a quieter alternative layer is available. Confirm every alternate-function assignment against the manufacturer pin table because multifunction pins can change between STM32G0 variants.
Do not assume that STM32G0 devices with the same package are software-identical. The STM32G051K8T6, STM32G071K8T6, and STM32G061K8T6 provide related 64 MHz Cortex-M0+ platforms, but memory sizes, peripheral availability, interrupt mappings, and clock configurations may differ. Before substituting a part, compare the complete pin table, memory limits, peripheral registers, reference manual, boot options, and toolchain project configuration. Also verify the exact tape-and-reel order code and temperature grade.
Choose the oscillator and serial-interface topology with the STM32G051K8T6 clock tree in mind. Use short ground returns, maintain controlled impedance on external communication lines, and place termination only where the selected interface standard requires it. The MCU supports two USARTs, which can simplify host-versus-peripheral separation, but baud-rate tolerance depends on the actual clock source, peripheral configuration, and temperature range. Validate the worst-case clock error rather than relying on a nominal frequency.
合規資訊
The verified search results provide core, memory, voltage, interface, package, and temperature information but do not extract specific RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. These fields remain unknown rather than being inferred from general distributor listings.
