STM32G081CBT6 - 64MHz 128KB Cortex-M0+ MCU | STMicroelectronics
MPN: STM32G081CBT6 ✓ نشطSTM32G081CBT6 نظرة عامة
A microcontroller is an embedded-control semiconductor that integrates a processor core, program memory, working memory, and peripherals on one device. The STM32G0 series belongs to the hierarchy of ARM Cortex-M microcontrollers, embedded processors, and general-purpose semiconductor control devices. STM32G081CBT6 combines that processing capability with memory protection and a securable Flash area, supporting controlled firmware implementation in industrial, consumer, and connected products.
The STM32G081CBT6 operates at up to 64 MHz and includes 128 Kbytes of protected Flash with a securable area. Its SRAM allocation is 36 Kbytes, with 32 Kbytes equipped with hardware parity checking. A 12-bit ADC capability is identified in the product listing, while the Cortex-M0+ core provides a 32-bit instruction set designed for responsive control tasks. The available temperature options extend from -40°C to 85°C, 105°C, or 125°C, depending on the selected device grade.
The 48-LQFP package provides 48 external leads and a compact 7 x 7 mm footprint. This makes the STM32G081CBT6 suitable for controllers with moderate board-space requirements while retaining through-hole-style lead visibility for inspection and assembly. Its combination of 128 KB Flash, 36 KB SRAM, and a 64 MHz maximum clock gives embedded software designers a practical balance between program capacity, working memory, and processing performance.
Typical uses include compact industrial controllers, sensor-interface nodes, building-control modules, appliance-control boards, and low-cost connected products. In each case, the Cortex-M0+ core can execute control logic while the 128 KB Flash stores application firmware and the 36 KB SRAM supports working data. The small LQFP outline also enables a straightforward transition from a larger development package to a space-conscious production design when the PCB footprint is designed for the final 48-lead configuration.
Designers should base PCB pads and firmware bring-up on the complete STM32G081CBT6 pin description in the manufacturer datasheet. The maximum clock, memory map, peripheral configuration, reset behavior, and supply requirements must all be checked against the selected board and firmware configuration. Decoupling, clock stability, exposed thermal behavior, and unused-pin treatment should follow the device’s recommended application guidance rather than assumptions based on another STM32 member.
This product record combines the verified 64 MHz performance, 128 KB Flash, 36 KB SRAM, 12-bit ADC indication, and 48-LQFP package details with practical application guidance, same-family replacement options, and a parameter-by-parameter comparison. Those engineering-focused details help designers evaluate board fit, memory requirements, and migration options before committing a new PCB design.
بدائل مباشرة لـ STM32G081CBT6 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع STM32G081CBT6 (نفس عامل الشكل والبصمة) — يختلف في Core, Flash Organization, Package.
STM32G071CBT6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32G0B1CBT6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32C071CBT6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32G0C1CBT6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32G091CBT6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32G081CBT6 الحدود القصوى والخصائص الكهربائية
| Product Type | 32-bit ARM Cortex-M0+ microcontroller |
| Maximum CPU Frequency | 64 MHz |
| Instruction Set | 32-bit ARMv6-M |
| Flash Memory | 128 KB |
| Flash Organization | 128K x 8 bits |
| SRAM | 36 KB |
| Parity-Checked SRAM | 32 KB with hardware parity check |
| ADC Resolution | 12 bits |
| Operating Temperature Options | -40°C to 85°C, -40°C to 105°C, or -40°C to 125°C |
| العلبة | 48-LQFP |
| Package Dimensions | 7 mm x 7 mm |
| Lead Count | 48 leads |
| نوع التركيب | Surface mount |
| Flash Protection | Protected memory with a securable area |
| Core | ARM 32-bit Cortex-M0+ CPU |
| Product Series | STM32G0 |
دليل تكوين أطراف STM32G081CBT6 7 mm x 7 mm
تكوين الأطراف لـ STM32G081CBT6 (حزمة 7 mm x 7 mm). تتضمن هذه الدائرة المتكاملة الرقمية GPIO وواجهات الاتصال (UART وSPI وI2C) وأطراف الطاقة. راجع ورقة بيانات الشركة المصنعة لوظائف الأطراف البديلة وخيارات التكوين. ضرورية لتصميم الأنظمة المدمجة وتخطيط PCB.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ STM32G081CBT6.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
STM32G081CBT6 مناسب لـ 6 التطبيقs: Compact Industrial Control Module, Sensor and IoT Edge Node, Building Automation Controller, Appliance Control Board, Current-Monitoring Control Board, Communication Gateway Controller.
Compact Industrial Control Module
The STM32G081CBT6 fits compact industrial control modules that need deterministic control from a 64 MHz ARM Cortex-M0+ core without the memory overhead of a high-end processor. Its 128 KB Flash provides space for control firmware, parameter tables, and communication handlers, while 36 KB of SRAM supports active working data and stack requirements. The 48-LQFP 7 x 7 mm package leaves usable board area around the controller for interfaces and power circuitry. For an industrial enclosure, confirm the exact temperature grade, supply limits, isolation strategy, and grounding layout from the manufacturer datasheet before production release.
موصى به
Sensor and IoT Edge Node
The STM32G081CBT6 is appropriate for a sensor or IoT edge node that must acquire measurements, apply filtering, and manage local control logic. Its 12-bit ADC capability supports analog front-end designs, while the 64 MHz Cortex-M0+ core provides headroom for protocol processing and control tasks. With 128 KB of protected and securable Flash and 36 KB of SRAM, the device can hold firmware and operate without an external memory device in many designs. The 48-LQFP footprint also supports compact production assemblies, although the exact ADC channels, trigger behavior, and communication peripherals must be confirmed for each STM32G081 configuration.
موصى به
Building Automation Controller
A building-automation controller can use the STM32G081CBT6 to combine sensor acquisition, local logic, and communication handling in a small 48-LQFP package. The 128 KB Flash capacity is useful for storing multiple control routines and configuration parameters, while 36 KB of SRAM accommodates live sensor and actuator state. Its 64 MHz Cortex-M0+ core is suitable for deterministic supervisory loops and event-driven firmware. For HVAC, access, or lighting control boards, designers should establish the required analog inputs, output timing, bus interfaces, low-power behavior, and safety margins before assigning exact peripheral functions.
موصى به
Appliance Control Board
The STM32G081CBT6 can serve as the primary controller on an appliance board where a 32-bit core, local program memory, and a modest 7 x 7 mm footprint are advantageous. The 64 MHz operating speed supports responsive state-machine control, while 128 KB of Flash accommodates application firmware, lookup data, and diagnostic routines. Its 36 KB SRAM allows multiple control loops to operate without external memory in many designs. The LQFP package is straightforward to inspect after soldering, but motor, heater, and mains-connected functions still require correctly separated high-power and low-voltage circuitry plus manufacturer-recommended protection.
موصى به
Current-Monitoring Control Board
The STM32G081CBT6 can coordinate current measurement and system supervision in a compact monitoring board. A suitable external current-sense device can feed a conditioned analog signal into the MCU’s 12-bit ADC capability, while the Cortex-M0+ core performs threshold evaluation, filtering, logging, and communications. The 128 KB Flash stores calibration tables and firmware, and 36 KB of SRAM supports acquisition buffers and operating state. Designers should verify the selected ADC channel, reference voltage, sampling behavior, and input range from the exact datasheet, then include calibration and fault-handling routines in the firmware design.
موصى به
Communication Gateway Controller
The STM32G081CBT6 is suitable for a small protocol-conversion or communication gateway when local processing, firmware protection, and board size are important. Its 64 MHz Cortex-M0+ core can handle frame processing and supervisory logic, while 128 KB of protected Flash stores gateway firmware and 36 KB of SRAM supports active buffers. The 48-LQFP footprint makes it practical for compact gateway hardware where a larger BGA or fine-pitch package would complicate assembly. Exact UART, SPI, I2C, USB, and Ethernet availability must be checked for the selected device because peripheral options can vary across STM32G0 family members.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ STM32G081CBT6 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | STM32G071CBT6 | STM32G0B1CBT6 | STM32C071CBT6 | STM32G0C1CBT6 | STM32G091CBT6 |
|---|---|---|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) | 48-LQFP (7x7 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 CPU Frequency | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| SRAM | 36 KB | 36 KB | 36 KB | 36 KB | 36 KB | 36 KB |
| ADC Resolution | 12 bits | 12 bits | 12 bits | 12 bits | 12 bits | 12 bits |
| Peripheral and Feature Set | STM32G0 baseline family configuration | G0-series configuration differences | G0B-series configuration differences | C0-series configuration differences | G0C-series configuration differences | G091 configuration differences |
أبرز الفروقات
- Matches the core memory profile of the listed STM32 alternatives (مقابلSTM32G071CBT6)
- Same 7 x 7 mm footprint as the G0B1 option (مقابلSTM32G0B1CBT6)
- Pin-compatible C0-family migration path (مقابلSTM32C071CBT6)
- Same package and memory configuration as STM32G0C1CBT6 (مقابلSTM32G0C1CBT6)
ملاحظات التصميم
Assign the PCB footprint from the complete 48-LQFP drawing and STM32G081CBT6 pin table, including pin-1 orientation, exposed pad status, and every power and ground connection. Place decoupling capacitors beside their associated supply pins and use a low-impedance return path for each capacitor. Verify courtyard, solder mask, paste, and assembly clearances because the lead pitch and thermal requirements are not established by the abbreviated 7 x 7 mm package description alone.
Do not treat a same-package STM32 alternative as electrically and firmware-identical. Although all five listed alternatives use the 48-LQFP footprint, the G071, G0B1, C071, G0C1, and G091 families can differ in peripheral mix, clock configuration, communications, start-up behavior, and qualification. For a production migration, compare the exact pin table, alternate-function matrix, memory organization, timing limits, bootloader support, and application notes before releasing a schematic change.
Build the power tree from the manufacturer’s recommended operating and absolute-maximum limits rather than from the 64 MHz clock rating alone. Confirm the exact STM32G081CBT6 voltage range, regulator tolerance, startup current, and temperature grade. Use local bulk and high-frequency decoupling, provide a controlled reset path, and keep switching-regulator output ripple within the device limits because supply noise can affect ADC measurements and firmware execution.
Route clock, reset, and high-speed communication signals away from noisy switching nodes, and provide the shortest practical return paths for high-frequency signals. For any external sensor feeding the 12-bit ADC, match the analog bandwidth to the actual sampling rate and apply appropriate filtering at the source. Confirm ADC source impedance, reference stability, sampling-time requirements, and pin multiplexing in the exact datasheet rather than assuming that a 12-bit converter alone defines measurement accuracy.
معلومات الامتثال
No explicit compliance declaration was identified for the exact STM32G081CBT6 order code. Confirm RoHS, REACH, lead-free, halogen-free, conflict-minerals, and automotive qualification documents with STMicroelectronics before procurement.
