STM32F103VGT6TR - 72MHz Cortex-M3 MCU | STMicroelectronics
MPN： STM32F103VGT6TR ✓ 啟用中STM32F103VGT6TR 概覽
A microcontroller, or MCU, is a compact computer designed around a processor core, program memory, data memory, peripherals, and I/O ports. The STM32F103 architecture sits within the hierarchy of ARM Cortex-M3 embedded processor, 32-bit microcontroller, and embedded systems controller. Its role is to execute firmware, acquire sensor data, control actuators, and manage communication links in industrial, consumer, and communications equipment.
Principal features include a 72 MHz Cortex-M3 core, 1 MB of Flash, 96 KB of SRAM, 37 I/O ports, and USB, CAN, and LIN connectivity. The 2 V to 3.6 V operating range supports conventional 3.3 V systems. The 100-LQFP package provides enough I/O and perimeter pins for motor drives, motion control, communications modules, and embedded control boards while supporting a conventional surface-mount assembly process.
The STM32F103VGT6TR combines general-purpose application processing with dedicated peripheral resources. Its 32-bit core and 72 MHz clock provide useful computational headroom for protocol handling, digital control loops, and supervisory logic. The 1 MB Flash capacity supports larger embedded applications and boot code, while the SRAM accommodates working state, communications buffers, and real-time control data. USB, CAN, and LIN interfaces reduce the need for separate communication controllers.
Typical uses include CAN-connected industrial controllers, USB data-acquisition equipment, stepper and BLDC motor-control systems, networking modules, and compact control platforms. The 37 I/O ports make the device practical for digital interfaces, status indicators, sensors, and actuator drivers. For designs using the CAN, LIN, or USB peripherals, firmware validation remains important because timing, interrupt behavior, and peripheral configuration determine real-world performance.
A key design consideration is power and signal integrity at the 100-pin LQFP perimeter. Place decoupling capacitors near the supply pins, route sensitive inputs away from switching nodes, and verify the oscillator, reset, and boot configuration network against the manufacturer reference schematic. The 2 V to 3.6 V supply range requires components and external interfaces that tolerate the selected operating voltage.
This page combines the exact STM32F103VGT6TR ordering characteristics, package and memory details, pin-compatible alternatives, application guidance, and PCB design considerations. It supports faster engineering evaluation by making the key differences among same-family and cross-brand replacements visible before a PCB or firmware change is committed.
直接替換替代品，適用於 STM32F103VGT6TR — 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： STM32F103VGT6TR （相同外形與佔位） — 差異在於 Package, Flash Memory, Mounting Type, Product Line, Series.
STM32F103VFT6TR
✅ 直接替換聯絡詢價
查看資料表 →STM32F103VGT6J
✅ 直接替換聯絡詢價
查看資料表 →STM32F103VGT7
✅ 直接替換聯絡詢價
查看資料表 →GD32F103VGT6
✅ 直接替換📋 參考替代品（不在目錄中）
APM32F103VGT6
✅ 直接替換📋 參考替代品（不在目錄中）
STM32F103VGT6TR 最大額定值與電氣特性
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| Series | STM32F1 series |
| Maximum CPU Frequency | 72 MHz |
| Flash Memory | 1 MB (1M x 8) |
| SRAM | 96 KB |
| Program Memory Type | Flash |
| Supply Voltage Range | 2 V to 3.6 V |
| I/O Port Count | 37 |
| 封裝 | 100-pin LQFP (14 x 14 mm) |
| CPU Core | ARM Cortex-M3 |
| Architecture | 32-bit |
| Communications Interfaces | USB, CAN, LIN |
| 安裝類型 | Surface-mount tape and reel |
| RoHS Compliance | Compliant |
STM32F103VGT6TR 100-pin lqfp (14 x 14 mm) 腳位配置指南
STM32F103VGT6TR（100-pin lqfp (14 x 14 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： STM32F103VGT6TR.
請參閱 資料表 以查看完整腳位配置。
典型應用
STM32F103VGT6TR 適用於 6 應用s: Industrial CAN Control Node, USB Data-Acquisition System, Stepper and BLDC Motor Control, Industrial Networking Module, Consumer Automation and Embedded Control, USB-C Motor and Sensor Interface.
Industrial CAN Control Node
STM32F103VGT6TR fits industrial CAN control nodes that require local decision-making and reliable network connectivity. Its 72 MHz Cortex-M3 core handles protocol processing and supervisory logic, while CAN, LIN, USB, and 37 I/O ports support sensors, status devices, and actuators. The 1 MB Flash capacity accommodates application code, communication stacks, configuration data, and update routines without relying on external program memory. Use the device near 2 V to 3.6 V rails and follow the manufacturer reference circuit for CAN transceiver placement, termination, decoupling, and protected I/O routing.
推薦
USB Data-Acquisition System
STM32F103VGT6TR is suitable for USB data-acquisition equipment that transfers sensor measurements to a host computer. Its 72 MHz 32-bit core supports sampling logic, buffering, protocol handling, and supervisory tasks, while 96 KB of SRAM provides space for acquisition buffers and communications state. The 37 I/O ports can support digital inputs, sensor enables, status signaling, and external triggers. Its 2 V to 3.6 V operating range fits conventional 3.3 V systems, while the 100-pin LQFP package offers enough connections for multiple channels and interface isolation.
推薦
Stepper and BLDC Motor Control
STM32F103VGT6TR fits compact motor-drive controllers where deterministic control, multiple I/O, and embedded communications are needed. The 72 MHz Cortex-M3 core can execute position and velocity loops, commutation logic, fault handling, and communication protocols, while 37 I/O ports support encoder inputs, step commands, gate-driver enables, and fault signals. Its 1 MB Flash provides room for motion algorithms and parameter storage. The 2 V to 3.6 V supply range fits typical 3.3 V control electronics, but power-stage isolation, current sensing, and high-current routing must be designed separately from the MCU domain.
推薦
Industrial Networking Module
STM32F103VGT6TR works well in compact networking modules that need USB or CAN alongside embedded application processing. The 72 MHz Cortex-M3 core can manage frame processing, routing logic, configuration, and local control, while 1 MB Flash and 96 KB SRAM support embedded stacks and protocol state. Its 37 I/O ports provide status LEDs, configuration interfaces, reset control, and external network management signals. The 100-pin LQFP package also leaves sufficient perimeter pins for isolation barriers, level shifting, and multiple communication interfaces in a DIN-rail or embedded module design.
推薦
Consumer Automation and Embedded Control
STM32F103VGT6TR is practical for embedded control boards that combine user interfaces, sensors, relays, and programmable logic. Its 72 MHz core supports responsive control and communication, while 1 MB Flash accommodates application firmware, configuration, and boot features. The 37 I/O ports are useful for touch or button inputs, display signals, and actuator control. Because the core operates from 2 V to 3.6 V, the design should use compatible sensors and interface levels, separate noisy loads from sensitive traces, and provide local bulk and high-frequency decoupling at the LQFP supply pins.
推薦
USB-C Motor and Sensor Interface
STM32F103VGT6TR can serve as the central controller in a USB-connected motor or sensor interface. The Cortex-M3 core handles command parsing, control updates, diagnostics, and data formatting, while USB provides a direct host connection for configuration and telemetry. Its 37 I/O ports support encoders, digital sensors, motor-control signals, and status indicators, and the 1 MB Flash provides room for larger control tables and protocol handlers. The 2 V to 3.6 V operating range simplifies 3.3 V logic integration, although USB connector protection, ESD control, and power-supply sequencing should be handled with dedicated external circuitry.
推薦
推薦產品摘要
工程參考資料，適用於 STM32F103VGT6TR — 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 | STM32F103VFT6TR | STM32F103VGT6J | STM32F103VGT7 | GD32F103VGT6 | APM32F103VGT6 |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | GigaDevice | GigaDevice |
| Package | 100-LQFP (14 x 14 mm) | 100-LQFP (14 x 14 mm) | 100-LQFP (14 x 14 mm) | 100-LQFP (14 x 14 mm) | 100-LQFP (14 x 14 mm) | 100-LQFP (14 x 14 mm) |
| CPU Core | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 |
| Ordering Grade or Temperature Suffix | TR | TR | J | 7 | 6 | 6 |
主要差異化特點
- Larger Flash capacity than the F-density same-package option (對比STM32F103VFT6TR)
- Cross-brand replacement offers higher clock performance (對比GD32F103VGT6)
- Established STM32F1 toolchain and peripheral continuity (對比APM32F103VGT6)
- Complete connectivity in a 100-pin footprint (對比STM32F103VGT6J)
設計說明
Treat the 100-pin LQFP as a perimeter-heavy mixed-signal component. Place every supply decoupling capacitor directly beside its associated VDD and VSS pins, with the shortest possible ground return. Follow the manufacturer reference layout for exposed pad, via pattern, and thermal-via arrangement where applicable. Keep external crystals, reset components, and boot-configuration parts close to their assigned pins to reduce susceptibility to switching noise and ringing.
Design the 2 V to 3.6 V operating range into the power tree rather than assuming a fixed 3.3 V rail. Confirm startup voltage, brownout behavior, output-voltage tolerance, and current demand against the manufacturer datasheet. Separate analog and digital supply branches where the device provides dedicated supply pins, and use local bulk capacitance to support transient loads without allowing supply droop to disrupt USB, CAN, or timer operations.
Route USB, CAN, and LIN interfaces away from motor-drive nodes and switching power-converter traces. Keep high-current return paths out of the MCU ground region, and place transceiver protection components close to connector or transceiver pins. For oscillator-sensitive functions, provide symmetric routing, a clean ground reference, and no test-point stubs. Check that motor-control outputs, encoder inputs, and communication lines do not share narrow return paths that could inject timing noise.
Do not treat a cross-brand Cortex-M3 controller as firmware-identical to STM32F103VGT6TR. Before adopting GD32F103VGT6 or another substitute, validate clock configuration, flash wait states, interrupt priorities, startup timing, USB and CAN behavior, ADC calibration, timer edge cases, and toolchain support. Preserve the original 100-LQFP land pattern and verify pin multiplexing rather than relying only on the 100-pin count.
合規資訊
RoHS compliance is stated in the product listing. No additional REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status was identified.