STM32G031K8T3 - 64MHz Cortex-M0+ 64KB MCU | STMicroelectronics
料号： STM32G031K8T3 ✓ 量产中STM32G031K8T3 概述
A microcontroller is a programmable integrated circuit containing a processor core, memory, and peripherals such as GPIO, timers, communication interfaces, and analog conversion blocks. The STM32G0 family is positioned as a mainstream embedded platform for cost-sensitive industrial, consumer, and instrumentation products. Its Cortex-M0+ architecture provides a 32-bit instruction set while maintaining an efficient design for control-oriented workloads.
The STM32G031K8T3 combines a maximum operating frequency of 64 MHz with 64 KB of Flash for firmware storage and 8 KB of SRAM for working memory. The manufacturer describes the STM32G031x4, x6, and x8 devices as mainstream microcontrollers based on the Arm Cortex-M0+ core. The package configuration provides a practical option for designs requiring a moderate pin count and a conventional LQFP assembly process.
Typical embedded applications include compact sensor controllers, small motor-control boards, industrial monitoring modules, consumer appliances, and low-cost communication equipment. The device is appropriate when the application needs more processing capability than a simple 8-bit controller but does not require the memory capacity or peripheral complexity of a higher-end Cortex-M processor.
For PCB design, use the manufacturer pinout description when assigning the 32 LQFP connections and provide the required power, decoupling, ground, and programming interfaces according to the datasheet. Confirm the exact voltage limits, clock configuration, peripheral availability, and package pin definitions for STM32G031K8 variants before releasing a board layout.
This page consolidates the manufacturer product information, package details, practical application guidance, and design considerations for engineers evaluating the STM32G031K8T3 as a compact 64 MHz Cortex-M0+ MCU.
直接替换替代料： STM32G031K8T3 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM32G031K8T3 （相同外形与封装尺寸） ——差异在于 Package, Flash Memory, Mounting Type, Communication Interfaces.
STM32G031K8T6
✅ 直接替换 ⚠️ 规格未核验联系询价
查看数据手册 →STM32G031K8T7
✅ 直接替换 ⚠️ 规格未核验联系询价
查看数据手册 →STM32G031K8T8
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32G031K8T3TR
✅ 直接替换📋 参考替代料（不在目录中）
STM32G071KBU7TR
✅ 直接替换📋 参考替代料（不在目录中）
STM32G031K8T3 最大额定值与电气特性
| Product Type | 32-bit Arm Cortex-M0+ microcontroller |
| Core | Arm Cortex-M0+ |
| Maximum CPU Frequency | 64 MHz |
| Flash Memory | 64 KB |
| SRAM | 8 KB |
| Flash Organization | 64K x 8 bits |
| Word Size | 32-bit |
| Instruction Set | Arm Cortex-M0+ RISC |
| 封装 | 32-pin LQFP (7 mm x 7 mm) |
| 安装类型 | Surface mount |
| 工作温度范围 | -40°C to +125°C (STM32G031K8 family information) |
| Internal Core Supply | VCORE generated by an embedded linear voltage regulator |
| 基准电压 | VREF+ internally connected with VDD on packages without VREF+ pin |
| SRAM Protection | Hardware parity check |
STM32G031K8T3 32-pin lqfp (7 mm x 7 mm) 引脚配置指南
STM32G031K8T3（32-pin lqfp (7 mm x 7 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： STM32G031K8T3.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32G031K8T3 适用于 6 应用s: Compact Sensor Controller, Industrial Monitoring Module, Small Motor Control, Low-Cost Communication Node, Consumer Appliance Controller, Portable Measurement Instrument.
Compact Sensor Controller
The STM32G031K8T3 fits compact sensing and data-acquisition modules where an 8-bit controller would be limiting but a larger MCU would be unnecessary. Its 64 MHz Arm Cortex-M0+ core provides faster control and peripheral processing than a basic 8-bit architecture, while 64 KB of Flash and 8 KB of SRAM are sufficient for embedded firmware, calibration data, and short working buffers. The 32-LQFP package also supports conventional surface-mount assembly. During design, verify that the selected temperature grade and exact pinout meet the sensor module’s supply, interface, and environmental requirements.
推荐
Industrial Monitoring Module
The STM32G031K8T3 is suitable for industrial monitoring modules that combine digital inputs, status indicators, local data handling, and periodic communication. A 64 MHz Cortex-M0+ core can execute control logic and communication tasks, while the 64 KB Flash capacity supports application firmware and 8 KB of SRAM supports short acquisition or protocol buffers. The 32-pin LQFP format is practical for compact boards built with mainstream assembly processes. Check the exact peripheral mix, supply limits, and operating-temperature requirements for each monitored channel.
推荐
Small Motor Control
The STM32G031K8T3 can serve as the controller in a small stepper, DC motor, or actuator-control module when the design requires more timing precision than a simple relay controller. Its 64 MHz Cortex-M0+ core supports faster control-loop execution, while the 8 KB of SRAM can hold position, velocity, and control-state variables. The 64 KB of Flash provides room for firmware without moving to a larger memory device. The designer must verify timer channels, PWM outputs, ADC resources, and any required safety limits against the selected pin mapping.
推荐
Low-Cost Communication Node
The STM32G031K8T3 is appropriate for compact protocol converters, remote I/O nodes, and low-cost communication controllers. The 64 MHz Cortex-M0+ processor can service packet processing and control tasks, while 64 KB of Flash and 8 KB of SRAM suit moderate firmware sizes and bounded network buffering. Its 32-LQFP package simplifies board implementation where a small but conventional surface-mount footprint is preferred. Select a transceiver according to the physical network, then verify clock accuracy, peripheral availability, and firmware timing for the intended baud rate and protocol stack.
推荐
Consumer Appliance Controller
The STM32G031K8T3 can control compact consumer appliances where the MCU must coordinate buttons, indicators, sensors, and a small actuator or communication subsystem. Its 64 MHz Cortex-M0+ core and 64 KB of Flash provide ample performance for mainstream embedded logic, while the 32-LQFP package supports automated PCB assembly. Eight kilobytes of SRAM provides working space for state machines, debouncing, and small display buffers. Validate the exact GPIO count, timer outputs, analog inputs, and temperature grade needed for the appliance’s mechanical and environmental requirements.
推荐
Portable Measurement Instrument
The STM32G031K8T3 supports portable measurement instruments that combine local sensing, control, and a serial data interface. Its 64 MHz processor can manage acquisition timing and UI state, while 64 KB of Flash accommodates firmware and 8 KB of SRAM supports working buffers. The small 7 mm by 7 mm 32-LQFP package helps reduce board size in handheld or panel-mounted products. The design should confirm the required ADC, timer, display interface, and communication peripherals, and should use the STMicroelectronics pin table for final signal assignments.
推荐
推荐产品汇总
工程参考数据： STM32G031K8T3 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | STM32G031K8T6 | STM32G031K8T7 | STM32G031K8T8 | STM32G031K8T3TR | STM32G071KBU7TR |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 32-LQFP (7x7) | 32-LQFP (7x7) | 32-LQFP (7x7) | 32-LQFP (7x7) | 32-LQFP (7x7) | 32-LQFP (7x7) |
| CPU Core | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ |
| Architecture | 32-bit RISC | 32-bit RISC | 32-bit RISC | 32-bit RISC | 32-bit RISC | 32-bit RISC |
| Product Family | STM32G0 mainstream | STM32G0 mainstream | STM32G0 mainstream | STM32G0 mainstream | STM32G0 mainstream | STM32G0 |
关键差异点
- Mainstream 64 MHz Cortex-M0+ performance with 64 KB Flash （对比 STM32G071KBU7TR)
- Extended-temperature ordering option （对比 STM32G031K8T6)
- Same functional silicon with an orderable packing designation （对比 STM32G031K8T3TR)
设计说明
Use the manufacturer electrical-characteristics and pin-description sections to define the external supply, decoupling network, and VCORE requirements. VCORE is produced internally for digital peripherals, SRAM, and Flash, but the external input rail still requires a low-impedance source and correctly placed local bypass capacitors. Check the power-up and reset sequencing requirements before combining the MCU with sensors, transceivers, or actuators.
Assign all 32 LQFP nets from the STM32G031K8 datasheet pin table and preserve the exposed thermal and electrical requirements of the selected package variant. Place decoupling capacitors close to their associated supply pins, route the debug and programming interface to accessible test pads, and keep sensitive analog inputs away from fast-switching nodes. Review package drawings from the manufacturer rather than scaling a generic 32-LQFP footprint.
Do not assume that all STM32G031K8 order codes are electrically identical. The T3, T6, T7, and T8 suffixes can represent different temperature grades, so a board intended for +125°C operation must not be populated automatically with a lower-grade part. Likewise, verify the pin arrangement of packages without a dedicated VREF+ pin, where VREF+ is internally connected with VDD.
Plan the clock, reset, boot, and debug connections early because changes to these routes can affect layout and test coverage. Provide a reliable ground reference under the MCU and return high-current or switching-node paths away from analog and communication signals. Use the datasheet’s recommended application circuit and decoupling topology as the baseline, then validate timing and EMC performance on the finished board.
合规信息
The manufacturer and distributor information confirms the device, package, core, frequency, and memory resources but does not provide specific RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification statements for this exact order code.
