STM32F302K6U6 - 72MHz Cortex-M4 MCU, 32KB Flash | STMicroelectronics
料号： STM32F302K6U6 ✓ 量产中STM32F302K6U6 概述
What is a microcontroller? A microcontroller is an integrated circuit that combines a processor core, memory, and peripheral interfaces on one device. In the STM32 family, the Cortex-M4 MCU architecture sits within the broader category of embedded processors and microcontrollers. The Cortex-M4 core uses a 32-bit RISC architecture and supports floating-point instructions, making it suitable for control loops and signal-processing tasks that require more computational capability than a basic 8-bit or 16-bit controller.
The STM32F302K6U6 provides 72 MHz maximum operating frequency and 32 KB Flash memory according to the manufacturer and DigiKey product information. Its 32-pin UFQFPN package is suitable for compact PCB layouts, and the family is intended for designs requiring a balance of processing performance, memory capacity, and low board area. The available verified sources also identify the part as a general-purpose ARM Cortex-M4 MCU rather than a dedicated signal-processing or application-specific controller.
The part is useful for motor-control and industrial automation systems, where a real-time microcontroller can coordinate sensors, communication interfaces, and control outputs. It can also serve as the control hub for compact consumer products, connected devices, communications equipment, and embedded instrumentation. The exact peripheral configuration, RAM size, voltage range, and timing characteristics should be confirmed from the official STM32F302x6/8 datasheet before finalizing a design.
When designing a board around the STM32F302K6U6, verify the exposed-pad land pattern, pin multiplexing, supported power supply conditions, and peripheral alternate-function assignments against the manufacturer documentation. The UFQFPN package requires careful PCB layout and thermal management because its exposed pad is part of the electrical and thermal design. For firmware migration, confirm that the STM32CubeMX device database and the selected STM32Cube HAL or Standard Peripheral Library support the exact MPN.
This page combines verified manufacturer and distributor information with practical guidance for component selection, procurement, firmware compatibility, and hardware implementation. It also identifies same-family alternatives for engineers who need to evaluate memory or package variations without assuming that every similarly named STM32 device is a drop-in replacement.
直接替换替代料： STM32F302K6U6 ——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： STM32F302K6U6 （相同外形与封装尺寸） ——差异在于 CPU Core, Flash Memory, Package, Product Type.
STM32F302K4U6
✅ 直接替换📋 参考替代料（不在目录中）
STM32F301K6U6TR
✅ 直接替换📋 参考替代料（不在目录中）
STM32F301K8U6
✅ 直接替换 ⚠️ 规格未核验联系询价
查看数据手册 →STM32F302K8U6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32F302K6U6TR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32F302K6U6 最大额定值与电气特性
| Product Type | 32-bit microcontroller MCU |
| CPU Core | Arm Cortex-M4 |
| Architecture | 32-bit RISC |
| Maximum Operating Frequency | 72 MHz |
| Flash Memory | 32 KB |
| Floating Point Unit | Embedded FPU |
| 封装 | 32-pin UFQFPN 5 x 5 mm |
| 安装类型 | Surface Mount |
| ADC Resolution | 12-bit |
| Datasheet Package Detail | UFQFPN 5 x 5 mm, 32 pins |
STM32F302K6U6 ufqfpn 5 x 5 mm, 32 pins 引脚配置指南
STM32F302K6U6（ufqfpn 5 x 5 mm, 32 pins 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： STM32F302K6U6.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32F302K6U6 适用于 6 应用s: Industrial Automation Controllers, Motor Control and Embedded Drives, Connected Sensor and IoT Nodes, Compact Communications Equipment, Consumer and Appliance Control, Instrumentation and Measurement Modules.
Industrial Automation Controllers
The STM32F302K6U6 fits compact industrial automation controllers that coordinate sensors, digital inputs, and actuator outputs in real time. Its Arm Cortex-M4 core operates up to 72 MHz and includes an FPU, providing enough control capability for deterministic loop execution without moving the design to a larger package. The 32 KB Flash identified by DigiKey supports embedded application firmware, while the 32-pin UFQFPN 5 x 5 mm package saves board area. Before production, verify the exact peripheral map, operating-temperature range, supply-voltage limits, and isolation requirements for the target installation.
推荐
Motor Control and Embedded Drives
The 72 MHz Cortex-M4 processor and integrated floating-point unit make the STM32F302K6U6 appropriate for compact motor-control and embedded-drive modules. Floating-point instructions can simplify control calculations, while the 32-pin UFQFPN package allows the controller to fit close to power electronics and sensor circuitry. The controller would typically use timer channels for PWM, encoder or position feedback, and digital communication links. Designers must confirm the exact timer, PWM, ADC, and communication resources in the manufacturer datasheet and account for switching-node electrical isolation and thermal conditions.
推荐
Connected Sensor and IoT Nodes
The STM32F302K6U6 can serve as the local control processor in a connected sensor node that samples inputs, applies filtering, manages a communication interface, and records operating data. Its 72 MHz Cortex-M4 core provides responsive task execution and the embedded FPU supports common digital signal-processing calculations. The 32 KB Flash is suitable for compact firmware where protocol and application code remain within capacity. For IoT products, check the exact UART, SPI, I2C, USB, and CAN options, radio integration needs, and low-power requirements before assigning the MCU.
推荐
Compact Communications Equipment
The STM32F302K6U6 is suitable for compact communications equipment requiring a 32-bit real-time processor and a small surface-mount footprint. Its 72 MHz Cortex-M4 core can handle protocol processing, framing, buffering, and supervisory logic, while the UFQFPN 5 x 5 mm package helps minimize PCB area in gateway or interface modules. The available verified data confirms the processor, memory class, and package but does not enumerate every communication peripheral. Validate UART, USB, CAN, Ethernet, or transceiver interface requirements directly against the official device documentation.
推荐
Consumer and Appliance Control
The STM32F302K6U6 can support compact consumer-device and appliance control boards where a small MCU must coordinate user inputs, displays, sensors, and power-related functions. Its 72 MHz Cortex-M4 processing capability provides headroom for responsive state-machine and user-interface logic, and the 32-pin UFQFPN package is compatible with dense PCB layouts. The 32 KB Flash shown in the verified distributor listing must be sized against bootloader, application, and update requirements. Final selection should also verify the consumer-specific ADC, timer, display-interface, and operating-temperature options.
推荐
Instrumentation and Measurement Modules
The STM32F302K6U6 is a practical candidate for compact instrumentation modules that acquire sensor data, perform calculations, format results, and interface with a host or operator. The Cortex-M4 FPU supports numeric processing, and the 12-bit ADC information visible in the verified results provides an appropriate measurement entry point when supported by the exact device configuration. The small UFQFPN package helps place the MCU near analog front-end circuitry. Engineers should confirm input ranges, reference quality, sampling architecture, calibration requirements, and interface resources against the official datasheet.
推荐
推荐产品汇总
工程参考数据： STM32F302K6U6 ——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 | STM32F302K4U6 | STM32F301K6U6TR | STM32F301K8U6 | STM32F302K8U6 | STM32F302K6U6TR |
|---|---|---|---|---|---|---|
| Package | 32-pin UFQFPN 5 x 5 mm | 32-pin UFQFPN 5 x 5 mm | 32-pin UFQFPN 5 x 5 mm | 32-pin UFQFPN 5 x 5 mm | 32-pin UFQFPN 5 x 5 mm | 32-pin UFQFPN 5 x 5 mm |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| CPU Core | Arm Cortex-M4 | Arm Cortex-M4 family | Arm Cortex-M4 | Arm Cortex-M4 family | Arm Cortex-M4 family | Arm Cortex-M4 |
| Maximum Frequency | 72 MHz | 72 MHz family rating | 72 MHz family rating | 72 MHz family rating | 72 MHz family rating | 72 MHz |
| Flash Memory | 32 KB | Lower-memory STM32F302 variant | 32 KB | Higher-memory STM32F301 variant | Higher-memory STM32F302 variant | 32 KB |
关键差异点
- Direct STM32F302 family fit （对比 STM32F301K6U6TR)
- 72 MHz Cortex-M4 performance （对比 STM32F302K4U6)
- Compact 32-pin footprint （对比 STM32F302VCT6)
设计说明
Treat the UFQFPN exposed pad as a mandatory thermal and electrical land pattern, not as an optional center pad. Follow the manufacturer package drawing for pad dimensions, solder-mask definition, paste stencil, and reflow profile. Because the supplied excerpts do not include the complete pin table or land pattern, release PCB artwork only after checking the official STM32F302x6/8 package drawing and the selected footprint library.
Confirm the exact VDD range, internal regulator behavior, and decoupling requirements in the official datasheet before powering the STM32F302K6U6. Place the required input and bulk capacitors close to their associated supply pins, maintain a short return path, and avoid routing high-current or switching-node copper beneath sensitive analog inputs. The verified excerpts establish processor performance and package format but do not provide the minimum capacitor values.
Do not treat a same-package STM32 suffix change as proof of complete software or electrical equivalence. Compare flash size, RAM, clock limits, interrupt vectors, peripheral assignments, pin mapping, startup files, and low-power behavior in the manufacturer documentation. For STM32F302K4U6, STM32F301K6U6TR, or the higher-memory variants, firmware images and linker configurations must also be reviewed before substitution.
Separate analog sensing paths from digital clocks and switching outputs, and provide a quiet ground reference for ADC-related circuitry. Keep crystal or clock connections short and follow the reference layout in the datasheet. The package's compact 5 x 5 mm footprint can shorten traces, but it also leaves less room for component separation, so use a deliberate floorplan and preserve thermal copper beneath the exposed pad.
合规信息
The supplied manufacturer and distributor excerpts do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields therefore remain unknown.
