STM32F103T6U7A - 72MHz Cortex-M3 MCU | STMicroelectronics
料号： STM32F103T6U7A ✓ 量产中STM32F103T6U7A 概述
A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripherals, and interface circuitry into a single package. The STM32F103 product family sits within the broader embedded-control hierarchy of ARM Cortex-M3 devices, general-purpose microcontrollers, and integrated circuits. Its combination of 72 MHz processing, USB, CAN, and mixed-signal peripherals makes it suitable for control, communications, and data-acquisition equipment where a small package and broad peripheral integration are important.
The supplied manufacturer and distributor information identifies the STM32F103T6U7A as a 72 MHz Cortex-M3 device with 32 KB flash, 37 I/O ports, USB, CAN, six timers, two ADCs, and six communication interfaces. A 2.0 V to 3.6 V supply range allows operation from standard low-voltage rails, while the 36-VFQFPN package supports compact surface-mount designs. These characteristics suit industrial controllers, USB-connected instruments, CAN nodes, and embedded automation products.
The ARM Cortex-M3 core provides a 32-bit RISC architecture with an operating frequency of 72 MHz. The STM32F1 family also includes dedicated resources for USB and CAN communication, multiple timer channels, and two analog-to-digital converters, reducing the need for external peripheral components. The 37 reported I/O ports provide connectivity for sensors, actuators, human-interface controls, and communication transceivers, although engineers must confirm the exact exposed-pin allocation before finalizing a PCB.
Typical STM32F103T6U7A applications include USB data acquisition, CAN-connected industrial equipment, motor and motion control, instrumentation, and compact embedded controllers. In a CAN node, the MCU can process sensor information and manage protocol traffic while timers provide timing functions. In a USB instrument, the integrated USB interface can reduce external connectivity requirements, while the two ADCs support analog measurement channels.
A critical design consideration is PCB footprint validation. The verified distributor description identifies a 36-pin VFQFPN in a 6 x 6 mm format with an exposed pad, but the supplied data does not provide the complete numbered pin map or pad dimensions. Confirm the exact land pattern, exposed-pad geometry, pin names, and solder-mask requirements against the official STMicroelectronics package documentation before fabrication.
This product record combines manufacturer positioning, distributor specifications, lifecycle information, package data, sourcing links, alternative-device guidance, and application-focused engineering notes. That synthesis adds practical context beyond a distributor listing while clearly distinguishing verified facts from parameters that still require confirmation from the manufacturer datasheet.
直接替换替代料： STM32F103T6U7A ——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： STM32F103T6U7A （相同外形与封装尺寸） ——差异在于 Flash Memory, Package, Product Type.
STM32F103T6U6A
✅ 直接替换联系询价
查看数据手册 →STM32F103T6U6
✅ 直接替换联系询价
查看数据手册 →STM32F103T6U7A 最大额定值与电气特性
| Product Type | ARM Cortex-M3 32-bit microcontroller |
| Series | STM32F1 performance line |
| Maximum CPU Frequency | 72 MHz |
| Flash Memory | 32 KB |
| Flash Organization | 32K x 8 |
| Supply Voltage Range | 2.0 V to 3.6 V |
| I/O Ports | 37 |
| USB Interface | 1 integrated USB interface |
| CAN Interface | 1 integrated CAN interface |
| Timers | 6 |
| ADC Channels | 2 ADCs |
| Communication Interfaces | 6 |
| 封装 | 36-VFQFPN |
| Package Dimensions | 6 x 6 mm |
| 安装类型 | Surface Mount |
| RoHS Compliance | Compliant |
| 生命周期状态 | Active |
STM32F103T6U7A 6 x 6 mm 引脚配置指南
STM32F103T6U7A（6 x 6 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： STM32F103T6U7A.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32F103T6U7A 适用于 6 应用s: USB Data-Acquisition Instrument, CAN-Connected Industrial Controller, Motor and Motion-Control Module, Compact Embedded Automation Controller, Communication Gateway Module, Portable Measurement and Control Device.
USB Data-Acquisition Instrument
The STM32F103T6U7A fits a USB data-acquisition instrument because its ARM Cortex-M3 core operates at 72 MHz while the verified feature listing identifies an integrated USB interface, two ADCs, and 37 I/O ports. The MCU can sample analog inputs, format results, and communicate with a host without requiring a separate USB controller. Its 32 KB Flash supports a focused embedded firmware image, while the 6 x 6 mm 36-VFQFPN package preserves board space. The designer should still confirm ADC resolution, USB electrical requirements, exposed-pad dimensions, and the exact numbered pin assignment before layout release.
推荐
CAN-Connected Industrial Controller
The STM32F103T6U7A is appropriate for a CAN-connected industrial controller because the verified specifications identify CAN, six timers, 37 I/O ports, and a 72 MHz Cortex-M3 core. It can execute control logic, schedule periodic tasks, monitor sensors, and exchange diagnostic data over a CAN network from one compact device. The two reported ADCs support process inputs, while timer resources can serve timing or motor-related functions. Production design still requires a suitable CAN transceiver, verified industrial temperature limits, EMC planning, and a confirmed 36-pin VFQFPN footprint.
推荐
Motor and Motion-Control Module
The STM32F103T6U7A suits compact motor and motion-control modules because its 72 MHz Cortex-M3 core provides fast sequential execution and the verified device listing includes six timers plus 37 I/O ports. Timer channels can generate precise timing signals, while the available I/O can handle limit sensors, encoders, and digital control signals. The 2.0 V to 3.6 V operating range supports conventional embedded supply designs, and the 6 x 6 mm package helps minimize controller footprint. Validate PWM frequency, timer mapping, thermal conditions, and exposed-pad construction on the final PCB.
推荐
Compact Embedded Automation Controller
The STM32F103T6U7A works well in a compact automation controller where processing speed, mixed interfaces, and board area matter. Its 72 MHz Cortex-M3 core can coordinate sensors, logic, communications, and actuator commands, while the verified USB, CAN, six communication interfaces, six timers, and two ADCs reduce the number of external devices required. Thirty-seven reported I/O ports provide useful connectivity for discrete sensors and outputs. Before deployment, engineers should confirm the exact pin multiplexing, ADC performance, watchdog behavior, and package drawing against current STMicroelectronics documentation.
推荐
Communication Gateway Module
The STM32F103T6U7A can serve as the controller in a USB-to-CAN or serial communication gateway because the verified feature set combines USB, CAN, six communication interfaces, and a 72 MHz Cortex-M3 processor. The device can maintain protocol state, buffer or translate traffic, and provide configuration and status channels. Its 32 KB Flash is appropriate for a gateway application with focused firmware, while the compact VFQFPN package supports module-level integration. Engineering validation should cover protocol timing, buffer limits, transceiver selection, bus protection, and firmware behavior when changing ordering codes.
推荐
Portable Measurement and Control Device
The STM32F103T6U7A is appropriate for a portable measurement and control device because it combines a 72 MHz Cortex-M3 core, 32 KB Flash, two ADCs, USB, and 37 I/O ports in a 6 x 6 mm package. The device can acquire sensor data, execute control calculations, and expose results through USB or a wired communication interface. Low-voltage operation from 2.0 V to 3.6 V can simplify integration with portable power systems. The final design must verify ADC accuracy, available SRAM, temperature limits, analog input routing, and the exact exposed-pad and land-pattern requirements.
推荐
推荐产品汇总
工程参考数据： STM32F103T6U7A ——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 | STM32F103T6U6A | STM32F103T6U6 |
|---|---|---|---|
| Package | 36-VFQFPN | VFQFPN | 36-VFQFPN |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
关键差异点
- Verified target ordering code and active lifecycle （对比 STM32F103T6U6A)
- High-frequency Cortex-M3 processing in a compact package （对比 STM32F103T6U6)
- Integrated communications reduce external controller requirements （对比 STM32F103T6U6A)
设计说明
Do not release the PCB footprint from distributor dimensions alone. The verified listing identifies a 36-VFQFPN measuring 6 x 6 mm, and Hotenda describes an exposed pad. Obtain the official VFQFPN drawing and use its land pattern, exposed-pad dimensions, paste aperture, and solder-mask rules. In particular, verify that the exposed pad connects to VSS according to the manufacturer pin definition rather than assuming a generic QFN thermal pad arrangement.
Design the supply around the verified 2.0 V to 3.6 V operating range and provide local high-frequency bypass at VDD pins. The STM32F103T6U7A contains USB, CAN, timers, ADCs, and a 72 MHz core, so switching supplies and long supply traces can introduce noise or voltage transients. Confirm the number and placement of decoupling pins against the official pinout, keep the ADC return path away from digital switching currents, and validate startup and brownout behavior in the complete power tree.
Preserve signal integrity around USB, oscillator, and analog inputs by following the manufacturer layout guidance for the exact package. Keep USB traces short, controlled-impedance, and free of unnecessary stubs; place its data-line protection close to the connector or transceiver interface. Route analog signals away from timers, switching-regulator inductors, and digital clock nets, and connect the exposed thermal pad using the package drawing's recommended via pattern without violating assembly constraints.
Do not assume that an MCU with a similar STM32F103 order code is an exact drop-in replacement. The target is specified as STM32F103T6U7A in a 36-VFQFPN package with 32 KB Flash, whereas suffix changes can affect ordering information, temperature grade, packaging, or electrical limits. Before substitution, compare the official ordering table, pin names, exposed-pad connection, Flash size, SRAM, clock requirements, USB and CAN peripheral configuration, and production qualification status.
合规信息
RoHS compliance is extracted from the supplied DigChip specification listing. The supplied evidence does not establish REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification status. AEC-Q100 is recorded as not applicable because this evidence set does not identify an automotive-qualified version.
