STM32G081KBT6 - 64MHz Cortex-M0+ 128KB MCU | STMicroelectronics
MPN： STM32G081KBT6 ✓ 啟用中STM32G081KBT6 概覽
A microcontroller is a programmable embedded-control device that combines a processor core, nonvolatile program memory, working memory, and peripherals on one integrated circuit. The STM32G0 family belongs to the hierarchy of Cortex-M microcontrollers, 32-bit microcontrollers, embedded processors, and semiconductor devices. This position makes the STM32G081KBT6 suitable for products that need deterministic control behavior without a high-end application processor or external memory interface.
Key features include an Arm Cortex-M0+ core with operation up to 64 MHz, 128 KB of flash memory with protection and a securable area, and 36 KB of SRAM. The SRAM specification includes 32 KB with hardware parity checking. The operating-temperature options listed for this device family include -40 °C to 85 °C, 105 °C, and 125 °C, allowing the same general-purpose controller family to address industrial, extended-temperature, and high-temperature equipment.
The STM32G081KBT6 integrates embedded control resources with a 32-LQFP footprint. Its 7 mm by 7 mm package provides a practical option for compact PCBs where a larger fine-pitch package would be unnecessary. The product category identifies it as an ARM Cortex-M0+ STM32G0 microcontroller IC, while the listed flash organization is 128K by 8 bits. For firmware development, consult the STM32G0 programming and reference documentation for peripheral behavior, clock configuration, memory protection, and debug support.
Typical applications include industrial control modules, compact sensor interfaces, building automation equipment, consumer accessories, and low-cost embedded control boards. The 128 KB flash capacity supports application code, configuration data, and boot logic in one device, while the 36 KB SRAM accommodates working buffers and protocol state. In designs requiring higher-memory variants, different STM32G0 devices should be compared by package, pin mapping, flash capacity, SRAM capacity, and peripheral configuration before footprint reuse is approved.
A robust design should verify the exact pin functions, alternate-function routing, decoupling requirements, clock limits, and temperature grade in the manufacturer datasheet for the ordered ordering code. This page combines the verified device identity, memory and package details, sourcing information, and application guidance to support component selection and PCB planning.
直接替換替代品，適用於 STM32G081KBT6 — 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： STM32G081KBT6 （相同外形與佔位） — 差異在於 Package.
STM32G081CBT6
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →STM32G081RBT6
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →STM32G081KBT6 最大額定值與電氣特性
| Product Type | 32-bit ARM Cortex-M0+ microcontroller IC |
| Core | Arm Cortex-M0+ |
| Maximum CPU Frequency | 64 MHz |
| Flash Memory | 128 KB |
| Flash Organization | 128K x 8 |
| Flash Protection | Protected with securable area |
| SRAM | 36 KB |
| Hardware Parity-Checked SRAM | 32 KB |
| 封裝 | 32-LQFP |
| Package Dimensions | 7 mm x 7 mm |
| 工作溫度範圍 | -40 °C to 85 °C / 105 °C / 125 °C |
| 安裝類型 | Surface mount |
| Manufacturer | STMicroelectronics |
| Series | STM32G0 |
STM32G081KBT6 7 mm x 7 mm 腳位配置指南
STM32G081KBT6（7 mm 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： STM32G081KBT6.
請參閱 資料表 以查看完整腳位配置。
典型應用
STM32G081KBT6 適用於 6 應用s: Industrial Control Module, Sensor Interface Controller, Building Automation Endpoint, Compact Consumer Accessory, Motor and Actuator Control, Data Acquisition Front End.
Industrial Control Module
The STM32G081KBT6 fits compact industrial control modules that need deterministic embedded processing without external program memory. Its Arm Cortex-M0+ core operates up to 64 MHz, while 128 KB of flash stores control logic, configuration tables, and diagnostics and 36 KB of SRAM supports working state and communication buffers. The 32-LQFP package measures 7 mm by 7 mm, helping preserve board area in densely populated controller assemblies. Design the PCB around the exact manufacturer pinout, provide the specified bypass network, and verify operating temperature, supply range, and isolation requirements at the product level.
推薦
Sensor Interface Controller
The STM32G081KBT6 is appropriate for a local sensor interface that converts measurements into processed data or control commands. Its 64 MHz Cortex-M0+ core can service digital protocols, filter sampled values, and manage status reporting, while the integrated 36 KB SRAM provides room for buffers and protocol state. The 128 KB flash capacity supports device-specific calibration, configuration, and firmware revisions. Confirm the required ADC, timer, serial, and digital I/O functions in the manufacturer datasheet because the ordering code alone does not establish every peripheral configuration.
推薦
Building Automation Endpoint
The STM32G081KBT6 can serve as the local controller in a compact building-automation endpoint, combining sensing, actuator control, and communications in one microcontroller. Its 128 KB flash holds application firmware and configuration, and the 36 KB SRAM supports protocol handling and control-state buffers. The 32-LQFP footprint provides a practical leaded package for boards assembled with mixed production processes. Validate the exact peripheral mix, pin multiplexing, temperature environment, and any network-specific requirements before schematic freeze. The manufacturer datasheet remains the authority for clocking, electrical limits, and peripheral behavior.
推薦
Compact Consumer Accessory
The STM32G081KBT6 suits compact consumer accessories that require local logic, user-interface control, or peripheral management. A 64 MHz Cortex-M0+ core provides responsive handling of button logic, indicators, and communications, while 128 KB flash and 36 KB SRAM consolidate application code and runtime storage. Its 7 mm by 7 mm LQFP package is useful for space-constrained assemblies, although final mechanical clearance must be checked against surrounding components. Confirm the required I/O count and available peripheral functions, and validate production programming and test access using the manufacturer’s device documentation.
推薦
Motor and Actuator Control
The STM32G081KBT6 can act as the supervisory controller for a small motor or actuator subsystem where a higher-performance processor is unnecessary. The 64 MHz Cortex-M0+ core supports timing, state-machine execution, and protection sequencing, while 36 KB of SRAM accommodates command and diagnostic buffers. The 128 KB flash capacity allows motor-control parameters, fault logic, and communications firmware to remain resident. The exact timer outputs, capture features, and analog functions must be checked for the ordered variant, and the power-stage layout should be isolated from sensitive control signals.
推薦
Data Acquisition Front End
The STM32G081KBT6 is suitable for a small data-acquisition front end that gathers sensor or switch information and prepares it for transmission. Its 64 MHz core can execute acquisition sequencing and protocol framing, while the 36 KB SRAM supports sample buffers and working state. The 128 KB flash provides space for calibration, configuration, and communication firmware. Before selecting it, verify the required ADC resolution, sampling performance, comparator resources, timer channels, and serial interfaces in the manufacturer datasheet. Use short, controlled signal paths and a defined grounding strategy to improve measurement repeatability.
推薦
工程參考資料，適用於 STM32G081KBT6 — 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 | STM32G081CBT6 | STM32G081RBT6 |
|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 32-LQFP | 32-LQFP | 32-LQFP |
| Core | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ |
| Maximum CPU Frequency | 64 MHz | 64 MHz | 64 MHz |
主要差異化特點
- Verified 128 KB embedded flash configuration (對比STM32G081CBT6)
- 36 KB SRAM for embedded working state (對比STM32G081RBT6)
- Compact 7 mm by 7 mm 32-LQFP footprint (對比STM32G081CBT6)
- 64 MHz Cortex-M0+ processing (對比STM32G081RBT6)
設計說明
Assign the PCB footprint and every net from the STM32G081KBT6 manufacturer pin description table rather than from a generic 32-LQFP symbol. Confirm power pins, ground pins, reset, boot, debug, clock, and alternate-function assignments for the exact ordering code. Keep the 7 mm by 7 mm package outline compatible with the chosen land pattern, and maintain the manufacturer’s recommended copper and solder-mask clearances.
Plan the power network using the manufacturer’s recommended decoupling and supply-voltage limits for the selected device. The verified device identity confirms a 64 MHz Cortex-M0+ core, but the detailed supply range is not stated on the product listing. Check the datasheet electrical characteristics before selecting capacitors, regulators, or test points, and account for startup and peripheral current when sizing the power source.
Place required bypass capacitors close to their associated power and ground pins, with short return paths and a low-impedance ground reference. Separate sensitive analog or sensor paths from switching and high-current actuator routes when the application includes both. Preserve access to programming and debug signals, and check exposed-package requirements if the selected package configuration includes an exposed pad.
Do not treat every STM32G0 device as a drop-in substitute for the STM32G081KBT6. Confirm flash capacity, SRAM capacity, pin assignments, peripheral availability, package dimensions, temperature grade, and ordering code. Firmware compatibility must be tested separately because matching packages do not guarantee identical register maps, clock behavior, peripheral options, or startup characteristics.
合規資訊
The verified device listings identify STM32G081KBT6 as an STMicroelectronics microcontroller, but they do not state the required compliance attributes.