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STMicroelectronics STM32F103VFT6TR
- Part No.:
- STM32F103VFT6TR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
STM32F103VFT6TR.pdf
- Description:
- IC MCU 32BIT 768KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:617
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Product details
Overview
STM32F103VFT6TR from STMicroelectronics is an ARM® Cortex®-M3 based 32-bit microcontroller in LQFP100 package, delivering 72 MHz CPU frequency, 768 KB Flash, 96 KB SRAM, and integrated USB 2.0 full-speed + CAN 2.0B interfaces. It serves as a main application controller in industrial HMI, motor control gateways, and embedded data loggers requiring real-time I/O handling and dual-protocol connectivity.
For engineers reviewing the STM32F103VFT6TR datasheet, STM32F103VFT6TR pinout, STM32F103VFT6TR application, or STM32F103VFT6TR equivalent, key selection criteria include Flash size (768 KB), peripheral count (up to 13 communication interfaces), I/O voltage tolerance (5 V-tolerant on most pins), and availability of dual high-resolution ADCs (3 × 12-bit, 1 µs conversion) with temperature sensor integration.
Technical Context
The device implements a tightly coupled ARM Cortex-M3 core with Memory Protection Unit (MPU), supporting deterministic interrupt response via Nested Vectored Interrupt Controller (NVIC) and hardware division for real-time math operations. Its clock system integrates dual oscillators - 4–16 MHz external crystal and factory-trimmed 8 MHz internal RC - feeding a programmable PLL to achieve stable 72 MHz operation.
Peripheral architecture features a flexible static memory controller (FSMC) supporting NOR/PSRAM/NAND, parallel LCD interface (8080/6800 modes), and 12-channel DMA servicing timers, ADCs, DACs, USARTs, SPIs, and I²Cs - enabling concurrent high-bandwidth data movement without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3 with MPU, 72 MHz max frequency, 1.25 DMIPS/MHz performance |
| Memory | 768 KB Flash (programmable in 1-KB sectors), 96 KB SRAM, plus FSMC for external memory expansion |
| Analog Peripherals | 3 × 12-bit ADCs (21 channels total, 1 µs conversion), 2 × 12-bit DACs, integrated temperature sensor |
| Timers | Up to 17 timers: 10 × 16-bit general-purpose, 2 × 16-bit motor control PWM with dead-time generation, 2 × watchdogs |
| Communication | USB 2.0 full-speed, CAN 2.0B, 5 × USARTs (LIN/IrDA/modem support), 3 × SPIs (18 Mbit/s), 2 × I²C (SMBus/PMBus) |
| I/O & Power | 80 I/Os (5 V-tolerant on most), 2.0–3.6 V supply, Sleep/Stop/Standby low-power modes, VBAT for RTC/backup registers |
| Debug | Serial Wire Debug (SWD) and JTAG interfaces, Embedded Trace Macrocell™ for instruction-level tracing |
Pinout & Package
LQFP100 package (14 × 14 mm, 0.5 mm pitch), 100-pin quad flat leaded package with exposed thermal pad; RoHS-compliant, ECOPACK® certified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual 2.0–3.6 V core/I/O supply rails with decoupling requirements per datasheet Section 5.3.6 |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 80 configurable GPIOs, most 5 V-tolerant, mappable to 16 external interrupt vectors |
| OSC_IN / OSC_OUT | External crystal oscillator input/output | Supports 4–16 MHz quartz crystal for precise clock source; internal 8 MHz RC available as fallback |
| USB_DP / USB_DM | USB 2.0 full-speed differential pair | Integrated transceiver compliant with USB specification; requires 1.5 kΩ pull-up on DP for enumeration |
| CAN_RX / CAN_TX | CAN 2.0B bus interface | Differential signaling pair for robust automotive/industrial fieldbus communication up to 1 Mbit/s |
Key Features
| Feature | Design Value |
|---|---|
| Flexible Static Memory Controller (FSMC) | Enables direct connection to NOR/PSRAM/NAND flash and CompactFlash, eliminating need for external glue logic |
| Triple 12-bit ADC with sample-and-hold | Simultaneous sampling across three ADCs supports motor phase current measurement with <1 µs latency |
| Dual 12-bit DAC outputs | Provides analog waveform generation or reference voltage synthesis without external DAC ICs |
| Motor control PWM timers | Two dedicated 16-bit timers with programmable dead-time insertion and emergency stop input for BLDC/PMSM drives |
| Low-power RTC with VBAT backup | Maintains timekeeping and 42 bytes of backup registers during main power loss using coin-cell battery |
Applications
| Industrial HMI Panel | Smart Motor Gateway |
|---|---|
Use Scenario: Touch-enabled display panel controlling PLC I/O and reporting machine status over Modbus TCP. IC Role / Device Role / Timing Role: Main application MCU managing GUI rendering, serial protocol translation (USART-to-Ethernet bridge), and real-time button debounce/touch scan timing. Use Value: Integrated USB and CAN allow dual-interface diagnostics and firmware updates; 768 KB Flash accommodates embedded web server + Modbus stack + graphics assets. | Use Scenario: Field-mounted gateway aggregating data from multiple stepper/servo drives and forwarding to cloud via cellular modem. IC Role / Device Role / Timing Role: Protocol translator and scheduler coordinating CAN-based drive commands, UART-based sensor polling, and USB-hosted configuration interface. Use Value: 17 timers enable precise multi-axis motion profiling; 3 ADCs monitor bus voltage, current, and temperature simultaneously for safety-critical feedback. |
| Portable Data Logger | Energy Meter Interface Module |
Use Scenario: Battery-powered environmental logger capturing temperature, humidity, and CO₂ at 10-second intervals for 6 months. IC Role / Device Role / Timing Role: Low-power system controller activating sensors, digitizing analog inputs, storing data to SDIO-connected microSD, and waking periodically via SysTick. Use Value: Stop/Standby modes draw ≤2 µA; integrated temperature sensor reduces BOM cost; SDIO interface enables high-throughput logging without external controller. | Use Scenario: DIN-rail mounted module interfacing with polyphase electricity meters via RS-485 and reporting kWh consumption via LoRaWAN. IC Role / Device Role / Timing Role: Isolated communication hub handling Modbus RTU parsing, CRC validation, and secure OTA update scheduling. Use Value: Dual 12-bit DACs generate precise calibration references for meter ADCs; CAN interface allows future expansion to smart grid command protocols. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F103ZET6 | 1 MB Flash, 112 I/Os, LQFP144 package; identical peripherals and clock architecture | Requires larger PCB footprint; better suited for designs needing >768 KB code space or extra GPIOs | Select when additional Flash or I/O count justifies larger package and layout rework |
| STM32F407VGT6 | Cortex-M4F core, 168 MHz, FPU, 1 MB Flash, 192 KB RAM; enhanced DSP instructions and higher throughput | Higher power consumption and cost; targets audio processing, FFT-based analytics, or floating-point control loops | Choose only if application demands hardware FPU or >72 MHz deterministic execution |
Compared with STM32F103ZET6, the STM32F103VFT6TR trades Flash capacity and I/O count for compact LQFP100 packaging and lower system cost; versus STM32F407VGT6, it offers proven stability and lower power at the expense of floating-point capability and peak performance - making it optimal for cost-sensitive, resource-constrained industrial edge nodes.
Availability
STM32F103VFT6TR is available at Aetrix Electronics and suitable for industrial HMI, motor control gateways, and portable data loggers requiring stable component supply and long-term production continuity.
Supply support for STM32F103VFT6TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in microcontrollers, power management, sensors, and automotive ICs.
The STM32F103x series belongs to ST's mainstream Cortex-M3 portfolio, designed specifically for cost-effective, high-integration embedded applications in industrial automation, consumer electronics, and smart appliances where reliability, peripheral richness, and toolchain maturity are critical.
FAQ
What is the maximum operating temperature range for STM32F103VFT6TR?
The STM32F103VFT6TR is rated for industrial temperature range: –40 °C to +85 °C ambient, verified per datasheet Section 5.3.1. This ensures reliable operation in factory-floor HMIs, outdoor metering enclosures, and motor drive cabinets without forced cooling.
Does STM32F103VFT6TR support USB device mode only, or can it act as a USB host?
The STM32F103VFT6TR integrates a USB 2.0 full-speed device-only controller - it cannot operate as a USB host. The peripheral lacks OTG capabilities, dedicated host PHY, or SOF generation required for host-mode enumeration and transaction scheduling.
How many external interrupt lines are available on STM32F103VFT6TR?
The device provides 16 external interrupt/event lines (EXTI0–EXTI15), each configurable to trigger on rising/falling edges or level detection. All 80 GPIOs can be mapped to these 16 lines via the AFIO register, enabling flexible wake-up and event-handling configurations.
Is the internal 8 MHz RC oscillator factory-trimmed, and what is its typical accuracy?
Yes, the internal 8 MHz RC oscillator is factory-trimmed to ±1% accuracy at 25 °C and 3.3 V supply, as specified in datasheet Table 25. Calibration can further improve stability across voltage and temperature, but uncalibrated drift remains within ±2% over full industrial range.
STM32F103VFT6TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 100-LQFP
- Series:
- STM32F1
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 72MHz
- Connectivity:
- CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB
- Peripherals:
- DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT
- Number of I/O:
- 80
- Program Memory Size:
- 768KB (768K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 96K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 3.6V
- Data Converters:
- A/D 16x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F103VFT6TR FAQ
1.How can I place an order for STM32F103VFT6TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F103VFT6TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32F103VFT6TR reliable?
The price and inventory of STM32F103VFT6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F103VFT6TR is usually 5 days.
3.What payment methods are accepted for STM32F103VFT6TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F103VFT6TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F103VFT6TR?
STM32F103VFT6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F103VFT6TR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32F103VFT6TR?
For technical support, including STM32F103VFT6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F103VFT6TR requirements.
6.How does Aetrix verify that STM32F103VFT6TR is sourced from the original manufacturer or authorized distributors?
All STM32F103VFT6TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32F103VFT6TR meets industry standards.
7.What is the process for return or replacement of STM32F103VFT6TR?
All STM32F103VFT6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32F103VFT6TR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32F103VFT6TR part is unused and in its original packaging.
Return procedure for STM32F103VFT6TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32F103VFT6TR Tags
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