STM32F103TBU7 - 72MHz Cortex-M3 128KB MCU | STMicroelectronics
料号： STM32F103TBU7 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
STM32F103TBU7 概述
A microcontroller is a semiconductor device that combines a processor core, memory, and peripherals into one embedded-computing component. In the system hierarchy, this device is an MCU, an embedded processor, and ultimately an integrated circuit. The STM32F103TBU7 uses an ARM Cortex-M3 core capable of 1.25 DMIPS per MHz at zero-wait-state memory access, providing a practical balance of processing performance, memory capacity, and peripheral integration.
Key features include a 32-bit ARM Cortex-M3 processor, 72 MHz maximum frequency, 128 KB Flash memory, hardware USB and CAN support, seven timers, two ADCs, and nine communication interfaces. Its 128 KB Flash supports stored firmware and application code, while the communication peripherals enable connected embedded systems without requiring separate interface controllers. The 36-VFQFPN package also exposes an exposed pad according to the provided product result, supporting compact surface-mount designs.
The STM32F103 family is positioned for medium-density embedded applications where USB, CAN, timing, analog conversion, and serial communications are useful. The MCU is suitable for industrial modules, vehicle gateway nodes, CAN or LIN control networks, motor-control equipment, instrumentation, and communication boards. Its 72 MHz operating limit should be considered alongside clock configuration, peripheral timing, memory wait states, and thermal requirements.
For PCB design, use the manufacturer datasheet and package drawing for the exact exposed-pad connection, pin numbering, and recommended land pattern. The verified web results identify the package as 36-VFQFPN (6 x 6 mm), but the complete public pin assignment and electrical limits must be confirmed from the manufacturer datasheet before layout or firmware release.
This page consolidates the verified distributor and manufacturer-linked product information, practical application guidance, and a conservative drop-in replacement assessment. The provided search data confirms the core identity and package, while missing detailed electrical, pin-level, price, and lifecycle parameters are marked for data completion rather than guessed.
直接替换替代料： STM32F103TBU7 ——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： STM32F103TBU7 （相同外形与封装尺寸） ——差异在于 Communication Interfaces, Core, Package, Flash Memory, Maximum Clock Frequency.
快速对比工具——选择替代料号进行并排对比：
STM32F103TBU6
✅ 直接替换📋 参考替代料（不在目录中）
STM32F103T8U6
✅ 直接替换✓ 有现货
$2.05 / 个
查看数据手册 →GD32F103
✅ 直接替换📋 参考替代料（不在目录中）
AT32F403ARGT7
✅ 直接替换✓ 有现货
$0.9 / 个
查看数据手册 →STM32F103TBU7 最大额定值与电气特性
| Product Type | ARM Cortex-M3 32-bit microcontroller |
| Series | STM32F1 medium-density performance line |
| Maximum CPU Frequency | 72 MHz |
| CPU Performance | 1.25 DMIPS per MHz at 0 wait state |
| Flash Memory | 128 KB |
| Flash Organization | 128K x 8 bits |
| 电源电压 | 3.3 V |
| USB Support | USB peripheral |
| CAN Support | CAN interface |
| Timer Count | 7 timers |
| ADC Count | 2 ADCs |
| Communication Interfaces | 9 communication interfaces |
| 封装 | 36-VFQFPN (6 x 6 mm) |
| 安装类型 | Surface mount |
| Core | ARM Cortex-M3 |
STM32F103TBU7 36-vfqfpn (6 x 6 mm) 引脚配置指南
STM32F103TBU7（36-vfqfpn (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： STM32F103TBU7.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32F103TBU7 适用于 7 应用s: Vehicle Gateway Nodes, CAN and LIN Control Networks, Industrial Communication Modules, Motor Control Equipment, USB-Connected Embedded Controllers, Instrumentation and Data Acquisition, Low-Cost Embedded Control Boards.
Vehicle Gateway Nodes
The STM32F103TBU7 fits vehicle gateway nodes because the verified feature set combines a 72 MHz ARM Cortex-M3 core, 128 KB Flash, CAN, USB, timers, and multiple communication interfaces. A gateway can use the MCU to supervise network messages, coordinate diagnostic functions, and mediate between vehicle electronics. The MCU itself does not provide the CAN transceiver; the board still needs a suitable transceiver, protection network, termination, and power conditioning. Before release, validate timing margins, automotive temperature requirements, transient immunity, and firmware behavior against the complete STMicroelectronics electrical specifications.
推荐
CAN and LIN Control Networks
The verified CAN capability makes STM32F103TBU7 relevant to CAN and LIN control networks, especially compact embedded controllers that also need USB connectivity. Its 72 MHz core provides timing headroom for protocol handling and supervisory tasks, while seven timers and nine communication interfaces support multiple peripheral functions. LIN operation requires the appropriate physical-layer transceiver and stack implementation. Firmware should be tested for arbitration, error recovery, timing, bus shutdown, and recovery behavior rather than assuming compatibility solely from the MCU feature list.
推荐
Industrial Communication Modules
STM32F103TBU7 can serve as the central MCU in industrial communication modules that need local control plus USB or CAN connectivity. The 128 KB Flash capacity provides room for application firmware, protocol handlers, and configuration storage, while the 32-bit Cortex-M3 core supports responsive state-machine and data-processing tasks. Industrial deployment requires attention to supply regulation, grounding, ESD protection, enclosure temperature, and long-term component availability. Verify the complete peripheral pin mux and electrical limits before selecting the MCU for a new module.
推荐
Motor Control Equipment
The STM32F103TBU7 is a candidate for compact motor-control and actuator-control equipment because it combines a 72 MHz processor with seven timers and two ADCs. Timers can generate precise control timing, while ADC channels can monitor command or feedback signals when configured for the intended analog inputs. The MCU does not directly drive motors; power-stage devices, gate drivers, current sensing, protection circuitry, and an appropriate control-loop design are required. Validate timer clock relationships, ADC noise, PWM resolution, dead time, fault handling, and thermal performance in the final system.
推荐
USB-Connected Embedded Controllers
USB support makes the STM32F103TBU7 useful for USB-connected embedded controllers, configuration tools, and service interfaces. The 128 KB Flash and 72 MHz Cortex-M3 performance provide a workable platform for USB protocol handling, local state management, and peripheral control. The design must include the proper USB electrical connection, power supervision, signal integrity, and firmware stack. The verified data does not specify USB speed or endpoint configuration, so those details must be confirmed from the official datasheet and reference documentation before implementation.
推荐
Instrumentation and Data Acquisition
The STM32F103TBU7 can be used for compact instrumentation and data-acquisition controllers where a 72 MHz ARM core, two ADCs, timers, and communication interfaces are useful. The ADC channels can collect analog measurements, while serial or USB links transfer data to a host or control system. Input conditioning, reference selection, sampling timing, calibration, and isolation must be designed separately. The supplied data does not specify ADC resolution or sampling rate, so do not assume those values; retrieve them from the manufacturer datasheet before selecting signal-chain components.
推荐
Low-Cost Embedded Control Boards
The STM32F103TBU7 is suitable for low-cost embedded control boards that need more processing capability than a simple 8-bit MCU while retaining a broad set of communication peripherals. Its 128 KB Flash supports embedded application code, and the 72 MHz Cortex-M3 core handles control logic, communications, and timing tasks. The 36-VFQFPN 6 x 6 mm package supports compact designs, but exposed-pad layout, thermal copper, assembly tolerances, and signal routing require the official package drawing. Use a conservative bring-up process and confirm the exact pin names before fabrication.
推荐
推荐产品汇总
工程参考数据： STM32F103TBU7 ——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 | STM32F103TBU6 | STM32F103T8U6 | GD32F103 | AT32F403A |
|---|---|---|---|---|---|
| Package | 36-VFQFPN (6 x 6 mm) | 36-VFQFPN (6 x 6 mm) - verified comparison result | Package not fully confirmed in supplied data | Package must be confirmed against selected suffix | Package must be confirmed against selected suffix |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | GigaDevice | Artery |
| CPU Core | ARM Cortex-M3 | ARM Cortex-M3 family | ARM Cortex-M3 family | Cortex-M3-compatible family candidate | Cortex-M4F |
| Maximum Frequency | 72 MHz | 72 MHz class | 72 MHz class | Up to 108 MHz cited in migration material | 240 MHz cited in comparison material |
关键差异点
- 72 MHz ARM Cortex-M3 performance target （对比 GD32F103)
- Direct STM32F103 family continuity （对比 AT32F403A)
- 72 MHz verified family comparison （对比 STM32F103TBU6)
设计说明
Use the official 36-VFQFPN 6 x 6 mm package drawing for the land pattern, pin-1 orientation, and exposed-pad connection. The verified product data identifies the package but does not provide the complete 36-pin map, so do not finalize routing from distributor search text alone. Keep the MCU footprint on a stable ground reference, follow the manufacturer’s exposed-pad recommendation, and inspect the assembly drawing for thermal-via requirements.
The verified result identifies a 3.3 V supply for STM32F103TBU7, but the complete operating-voltage range and current limits are not included in the supplied data. Confirm the exact VDD range, I/O limits, startup requirements, and decoupling recommendations from the STMicroelectronics datasheet. Place required bulk and high-frequency decoupling close to the device according to the official reference design, and validate the regulator’s transient response during USB or CAN activity.
The exposed pad and 6 x 6 mm package require deliberate thermal design, but the supplied data does not provide junction temperature, thermal resistance, or maximum dissipation values. Estimate total dissipation from the actual clock, I/O load, and supply conditions, then compare it with the manufacturer’s thermal limits. Use adequate copper and, where necessary, thermal vias or a heat-spreader treatment without compromising signal integrity.
Do not substitute STM32F103TBU6, STM32F103T8U6, GD32F103, or AT32F403A solely because the family names or core classes appear similar. Check exact package pinout, suffix, flash and SRAM capacity, voltage limits, peripheral mapping, clock behavior, startup code, and qualification. The supplied cross-reference results describe migration candidates but do not establish complete production drop-in equivalence for this exact MPN.
合规信息
The supplied web results do not provide verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements for STM32F103TBU7.
