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STMicroelectronics STM32F103VGT6
- Part No.:
- STM32F103VGT6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
STM32F103VGT6.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,147
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Product details
Overview
STM32F103VGT6 from STMicroelectronics is a high-density ARM® Cortex®-M3 microcontroller operating at up to 72 MHz, featuring 1 MB Flash, 96 KB SRAM, USB 2.0 full-speed interface, CAN 2.0B controller, and three 12-bit ADCs with 21 channels-used in industrial motor control systems requiring real-time PWM generation, analog sensing, and fieldbus communication.
For engineers reviewing the STM32F103VGT6 datasheet, STM32F103VGT6 pinout, STM32F103VGT6 application, or STM32F103VGT6 equivalent, key selection criteria include its 100-pin LQFP package, dual 12-bit DACs, flexible static memory controller (FSMC) supporting NOR/PSRAM, and integrated temperature sensor with ±1.5°C accuracy over –40°C to +85°C.
Technical Context
The STM32F103VGT6 implements a tightly coupled ARM Cortex-M3 core with Memory Protection Unit (MPU), supporting Thumb-2 instruction set and single-cycle multiplication/hardware division. Its clock system integrates four oscillators: 4–16 MHz HSE, 8 MHz factory-trimmed HSI, 40 kHz LSI, and 32.768 kHz LSE for RTC calibration.
Peripheral architecture includes a 12-channel DMA controller servicing timers, ADCs, DACs, USARTs, SPIs, I²Cs, SDIO, and I²S; nested vectored interrupt controller (NVIC) with 68 maskable interrupts; and FSMC enabling direct interface to external memories including NAND Flash, CompactFlash, and LCD modules in 8080/6800 modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M3 @ 72 MHz; delivers 1.25 DMIPS/MHz (Dhrystone 2.1), enabling deterministic real-time task execution in resource-constrained embedded systems. |
| Flash / SRAM | 1 MB Flash (erase/program endurance: 10k cycles); 96 KB SRAM - sufficient for complex control algorithms, USB stack, and CAN protocol handling without external memory. |
| ADC | 3 × 12-bit, 1 µs converters with triple-sample-and-hold; supports simultaneous sampling across up to 21 channels for multi-sensor feedback in motor drives. |
| DAC | 2 × 12-bit voltage-output DACs; usable for analog waveform generation, programmable reference outputs, or closed-loop biasing in sensor signal conditioning. |
| Timers | Up to 17 timers: 10 × 16-bit general-purpose (with IC/OC/PWM), 2 × 16-bit motor control (dead-time insertion + emergency stop), 2 × watchdogs - meets IEC 60730 Class B functional safety requirements. |
| Communication | USB 2.0 FS, CAN 2.0B, 5 × USART (LIN/IrDA/modem), 3 × SPI (18 Mbps), 2 × I²C (SMBus/PMBus), SDIO - enables mixed wired/wireless gateway designs with fieldbus interoperability. |
| Supply Range | 2.0–3.6 V operation with POR/PDR and programmable voltage detector (PVD); supports battery-backed RTC and backup registers via VBAT pin. |
Pinout & Package
LQFP100 package (14 × 14 mm, 0.5 mm pitch), RoHS-compliant, ECOPACK® certified, rated for industrial temperature range (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply / ground | Dual 3.3 V supply domains: VDD powers core/peripherals; VSS provides low-noise return path - requires separate decoupling per supply group. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 112 total GPIOs; all 5 V-tolerant except analog inputs; each mappable to 16 EXTI lines - enables flexible board layout and interrupt-driven event handling. |
| PA9/PA10 | USART1 TX/RX | Default UART interface for bootloader, debug console, or host MCU communication; supports hardware flow control and LIN break detection. |
| PA11/PA12 | USB DP/DM | Dedicated full-speed USB 2.0 transceiver pins; require 1.5 kΩ pull-up on DP for device enumeration - no external PHY needed. |
| PD0/PD1 | OSC_IN/OSC_OUT | Connects to 4–16 MHz crystal; essential for precise USB/CAN timing and RTC synchronization - internal load capacitors configurable via option bytes. |
| PB8/PB9 | CAN_RX/CAN_TX | Dedicated CAN 2.0B physical layer interface; supports bit rates up to 1 Mbps with programmable sample point - used in automotive body control and industrial automation nodes. |
Key Features
| Feature | Design Value |
|---|---|
| Flexible Static Memory Controller (FSMC) | Supports NOR, PSRAM, NAND, and CompactFlash with configurable wait states and burst modes - enables expansion of program/data space for HMI or data logging applications. |
| Embedded Trace Macrocell (ETM) | Real-time instruction trace via SWD/JTAG; allows non-intrusive debugging of timing-critical ISR sequences and pipeline stalls during motor commutation. |
| Temperature Sensor | Integrated calibrated sensor (±1.5°C accuracy) connected to ADC1_IN16 - eliminates external components for thermal monitoring in power supplies or motor drivers. |
| CRC Calculation Unit | Hardware-accelerated CRC-32 generator; verifies firmware integrity during OTA updates or validates communication payloads in CAN/USB transfers. |
| Low-Power Modes | Sleep (core stopped, peripherals active), Stop (1.5 µA typical), Standby (2.0 µA) - extends battery life in portable diagnostic tools and wireless sensor nodes. |
Applications
| Industrial Motor Control | Automotive Body Electronics |
|---|---|
Use Scenario: Closed-loop BLDC motor drive with Hall-effect or encoder feedback, current sensing, and thermal protection. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, generating six-channel complementary PWM with dead-time, managing CAN diagnostics, and sampling ADCs at 1 µs resolution. Use Value: Integrated motor control timers with emergency stop input eliminate need for external gate drivers or safety monitors - reduces BOM cost and PCB area. | Use Scenario: Central body controller managing door locks, window lift, mirror adjustment, and lighting via LIN/CAN networks. IC Role / Device Role / Timing Role: System-on-chip managing multiple LIN slaves, CAN message filtering, EEPROM emulation in Flash, and wake-on-LIN/CAN events. Use Value: Dual CAN interfaces allow separation of powertrain and body networks; 5 V-tolerant GPIOs interface directly with automotive switch inputs without level shifters. |
| Medical Diagnostic Equipment | Smart Energy Meters |
Use Scenario: Portable ultrasound front-end with analog beamforming, time-of-flight measurement, and USB data streaming to PC. IC Role / Device Role / Timing Role: Real-time signal processor acquiring ADC samples at 1 MSPS, performing FIR filtering, and transmitting compressed frames via USB FS bulk transfer. Use Value: Triple ADCs enable simultaneous sampling of multiple transducer channels; USB FS interface provides plug-and-play connectivity without external PHY or hub IC. | Use Scenario: DIN-rail mounted electricity meter with metrology ASIC interface, tamper detection, and PLC/GPRS communication. IC Role / Device Role / Timing Role: Host MCU reading metrology data via SPI, managing secure firmware updates via USB, logging events to internal Flash, and driving LCD display via FSMC parallel interface. Use Value: FSMC supports 8080-mode LCD with built-in controller - enables high-resolution local HMI without external video RAM or timing logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F103ZET6 | LQFP144 package (144 pins); adds 16 more GPIOs and one additional ADC channel vs. VGT6's LQFP100. | Required when >80 I/Os or >21 ADC channels needed - e.g., multi-axis motion controller with auxiliary sensors. | Select ZET6 only if pin count or peripheral channel expansion justifies larger footprint and higher cost. |
| STM32F407VGT6 | Cortex-M4F core (168 MHz), FPU, 1 MB Flash, 192 KB SRAM, enhanced DSP instructions - not pin-compatible. | Suitable for audio processing, advanced motor control with observer-based estimation, or real-time FFT analysis. | Choose F407 only when floating-point math or >100 MHz performance is mandatory; requires PCB redesign and toolchain migration. |
Compared with STM32F103ZET6, the VGT6 offers identical peripheral sets in a smaller LQFP100 package - ideal for cost-sensitive, space-constrained designs. Versus STM32F407VGT6, it trades raw compute for lower power, simpler certification, and mature ecosystem support - preferred for deterministic control where FPU is unnecessary.
Availability
STM32F103VGT6 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, medical diagnostic equipment, and smart energy meters requiring stable component supply across long production lifecycles.
Supply support for STM32F103VGT6 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, designing and manufacturing microcontrollers, power management ICs, sensors, and analog devices for industrial, automotive, and consumer markets.
The STM32F1 Series targets cost-sensitive, high-reliability embedded applications demanding rich analog integration, real-time responsiveness, and broad ecosystem support - optimized for motor control, PLCs, and human-machine interfaces.
FAQ
What is the maximum operating frequency and associated power consumption of the STM32F103VGT6?
The STM32F103VGT6 operates at up to 72 MHz with zero wait-state Flash access. At 72 MHz and 3.3 V supply, typical active current is 36 mA (code from Flash), dropping to 1.5 µA in Stop mode. Power consumption scales linearly with clock frequency and active peripheral count - verified per Section 5.3.5 of DocID16554 Rev 4.
Does the STM32F103VGT6 support USB device functionality without external components?
Yes - it integrates a full-speed USB 2.0 transceiver with internal pull-up resistor control on PA12 (DP). Only a standard USB Type-B connector, ESD protection diodes, and 1.5 kΩ pull-up (enabled via software) are required. No external PHY or clock crystal beyond the main 8 MHz HSE is needed for basic CDC or HID class operation.
How many independent PWM outputs can be generated simultaneously on this MCU?
The STM32F103VGT6 supports up to 32 independent PWM channels: ten 16-bit general-purpose timers (each with up to 4 OC/PWM outputs), two 16-bit motor control timers (6-channel complementary PWM with dead-time), and two basic timers driving DACs. All are fully configurable via TIMx_CCMR registers and synchronized using TIMx_EGR.
Is the internal temperature sensor calibrated, and what is its accuracy specification?
Yes - the internal temperature sensor is factory-calibrated against reference temperatures at 25°C and 110°C. Per Section 5.3.21 of the datasheet, accuracy is ±1.5°C over –40°C to +85°C ambient, with output connected to ADC1_IN16. Calibration values are stored in system memory and accessible via option byte read commands.
STM32F103VGT6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 100-LQFP
- Series:
- STM32F1
- Packaging:
- Tray
- 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:
- 1MB (1M 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:
STM32F103VGT6 FAQ
1.How can I place an order for STM32F103VGT6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F103VGT6 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 STM32F103VGT6 reliable?
The price and inventory of STM32F103VGT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F103VGT6 is usually 5 days.
3.What payment methods are accepted for STM32F103VGT6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F103VGT6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F103VGT6?
STM32F103VGT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F103VGT6 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 STM32F103VGT6?
For technical support, including STM32F103VGT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F103VGT6 requirements.
6.How does Aetrix verify that STM32F103VGT6 is sourced from the original manufacturer or authorized distributors?
All STM32F103VGT6 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 STM32F103VGT6 meets industry standards.
7.What is the process for return or replacement of STM32F103VGT6?
All STM32F103VGT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F103VGT6, 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 STM32F103VGT6 part is unused and in its original packaging.
Return procedure for STM32F103VGT6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32F103VGT6 Tags
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