STM32F103VDT7 - 72MHz Cortex-M3 384KB MCU | STMicroelectronics
Teilenummer: STM32F103VDT7 ✓ AktivSTM32F103VDT7 Übersicht
A microcontroller is a programmable semiconductor that integrates a processor core, nonvolatile program memory, data memory, peripherals, and interface logic on one package. The STM32F103 platform combines the Arm Cortex-M3 architecture with the STM32 ecosystem of development tools, middleware, reference designs, and application notes. Its high-density configuration provides more I/O and communication resources than lower-density STM32F1 devices while retaining the familiar 72 MHz execution performance.
Key features include an Arm Cortex-M3 core operating at 72 MHz, 384 KB of Flash, USB, CAN, motor-control capability, and an LQFP-100 package with 100 pins. The manufacturer identifies the STM32F103VD product line as Active and part of the Mainstream Performance line. The T7 ordering suffix distinguishes the industrial-temperature version, but exact temperature limits, RAM capacity, pin functions, electrical limits, and peripheral details were not included in the verified excerpts and therefore require confirmation from the manufacturer datasheet.
The STM32F103VD architecture is suited to control systems that need deterministic embedded processing and extensive mixed-signal connectivity. USB and CAN support make it relevant to USB-connected peripherals and industrial network nodes, while its motor-control positioning supports motor-control boards, actuators, and embedded automation equipment. The 100-pin LQFP package also exposes substantially more I/O than small-outline packages, simplifying prototype assembly and offering a practical bridge between breadboard and surface-mount production.
Typical applications include USB data acquisition, CAN-connected industrial controllers, brushless motor-control systems, instrument-control panels, and connected embedded modules. Development teams can use the MCU with USB-to-serial adapters such as CP2102N-A01-GQFN20R and communication transceivers such as TCAN332DR or TCAN330DR when those interface requirements match the selected system architecture. Firmware and peripheral validation remain necessary because alternate-source MCUs may differ in clock behavior and software support.
When laying out an STM32F103VDT7 board, follow the manufacturer package pinout, provide decoupling across every supply pin, and route sensitive analog and communication interfaces away from high-current switching paths. USB differential routing requires controlled impedance and uninterrupted reference planes. Do not infer peripheral pin locations from the 100-pin package count alone; use the exact STMicroelectronics datasheet and verify every power, ground, reset, clock, boot, and communication connection before fabrication.
This product record combines the verified manufacturer product positioning with distributor package, memory, frequency, pricing, and availability information. It also distinguishes genuine same-package alternatives from broader functional substitutes, highlights migration risks, and adds practical sourcing and layout guidance for engineers evaluating a second source.
Drop-in-Alternativen für STM32F103VDT7 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit STM32F103VDT7 (gleiche Bauform und Footprint) – abweichend in Package, Flash Memory, Operating Temperature, RoHS Status, Core.
STM32F103VDT6
✅ Drop-In ⚠️ Spezifikationen ungeprüftPreis auf Anfrage
Datenblatt ansehen →STM32F103VET6
✅ Drop-In ⚠️ Spezifikationen ungeprüftPreis auf Anfrage
Datenblatt ansehen →STM32F103VET7
✅ Drop-In ⚠️ Spezifikationen ungeprüftPreis auf Anfrage
Datenblatt ansehen →STM32F103VGT6
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
STM32F103VHT6
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
STM32F103VDT7 Grenzwerte & elektrische Eigenschaften
| Product Type | 32-bit microcontroller |
| Processor Core | Arm Cortex-M3 |
| Maximum CPU Frequency | 72 MHz |
| Word Size | 32 bit |
| Flash Memory | 384 KB |
| Flash Organization | 384K x 8 bit |
| USB Interface | Supported |
| CAN Interface | Supported |
| Motor Control | Supported |
| Gehäuse | 100-LQFP (14 x 14 mm) |
| Pin-Anzahl | 100 pins |
| Montageart | Surface mount |
| Product Line | STM32F1 Mainstream Performance line |
| Lebenszyklusstatus | Active |
STM32F103VDT7 100-lqfp (14 x 14 mm) Pinbelegungsleitfaden
Pinbelegung für STM32F103VDT7 (100-lqfp (14 x 14 mm)-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für STM32F103VDT7.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
STM32F103VDT7 ist geeignet für 6 Anwendungs: USB Data-Acquisition Controller, CAN-Connected Industrial Control, Brushless Motor Controller, Instrument and Test Equipment Control, Connected Embedded Module, Automotive-Style Body Control Node.
USB Data-Acquisition Controller
The STM32F103VDT7 fits a USB data-acquisition controller because it combines a 72 MHz Arm Cortex-M3 core with 384 KB of Flash and USB support in a 100-LQFP package. The device can collect samples, perform local filtering, and expose data to a host while leaving many I/O pins available for sensors and control signals. Its 14 x 14 mm LQFP package is also practical for a manually assembled industrial prototype. The exact USB electrical characteristics, transceiver requirements, and available peripheral mapping must be confirmed from the STMicroelectronics datasheet before routing the board.
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CAN-Connected Industrial Control
The STM32F103VDT7 is appropriate for a CAN-connected industrial controller because the manufacturer explicitly identifies USB, CAN, and motor-control support in the STM32F103VD family. A 72 MHz Cortex-M3 core can execute control logic alongside communication tasks, while 384 KB of Flash provides room for application firmware and field-upgrade features. A CAN transceiver such as TCAN332DR can support the physical network layer, but its interface pins, termination, isolation, and fault behavior must match the exact STM32 schematic and industrial EMC requirements.
Empfohlen
Brushless Motor Controller
The STM32F103VDT7 suits a compact brushless motor controller where deterministic control and abundant I/O are needed. Its verified 72 MHz Cortex-M3 performance can execute motor-control algorithms, while the 100-pin LQFP package provides a larger pin budget than low-pin-count MCUs and can expose timer, PWM, encoder, communications, and protection signals. The manufacturer identifies motor control as a target application for this family. Exact PWM channels, complementary outputs, timer synchronization, current-sense inputs, and thermal limits must be verified before assigning the motor-control pins.
Empfohlen
Instrument and Test Equipment Control
The STM32F103VDT7 can serve as the embedded controller in laboratory and industrial test equipment where a host interface, digital I/O, and local sequencing are required. The 72 MHz Cortex-M3 core and 384 KB of Flash support control code, while the 100-LQFP footprint provides extensive signal routing flexibility. A CP2102N-A01-GQFN20R bridge can provide a convenient USB virtual serial connection during development. Engineers should still confirm analog measurement availability, precision timing, watchdog behavior, and supply specifications from the exact STMicroelectronics documentation.
Empfohlen
Connected Embedded Module
The STM32F103VDT7 works well in a connected embedded module that combines local control with USB or CAN connectivity. Its 384 KB of Flash is suitable for more capable firmware than many small-format microcontrollers, and the 100-LQFP package reduces the need for fine-pitch routing during prototyping. The STM32 ecosystem also provides a familiar basis for toolchain and peripheral development. Production modules should verify boot configuration, firmware-update strategy, security expectations, and environmental qualification because those details were not established by the supplied distributor snippets.
Empfohlen
Automotive-Style Body Control Node
The STM32F103VDT7 can evaluate well as an automotive-style body-control node because it provides a 72 MHz Cortex-M3 core, 384 KB of Flash, USB, CAN, and a high pin count for switch, sensor, lamp, and communication inputs. The LQFP-100 package is also accessible for proof-of-concept assemblies. However, AEC-Q100 qualification was not confirmed in the verified excerpts, so the standard part must not be treated as automotive-qualified without evidence. Final selection requires validation of temperature range, voltage, transient immunity, watchdog behavior, and production-change control.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für STM32F103VDT7 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | STM32F103VDT6 | STM32F103VET6 | STM32F103VET7 | STM32F103VGT6 | STM32F103VHT6 |
|---|---|---|---|---|---|---|
| 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) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Processor Core | Arm Cortex-M3 | Arm Cortex-M3 | Arm Cortex-M3 | Arm Cortex-M3 | Arm Cortex-M3 | Arm Cortex-M3 |
| Maximum CPU Frequency | 72 MHz | 72 MHz | 72 MHz | 72 MHz | 72 MHz | 72 MHz |
| Product Line | STM32F1 Mainstream Performance | STM32F1 Mainstream Performance | STM32F1 Mainstream Performance | STM32F1 Mainstream Performance | STM32F1 Mainstream Performance | STM32F1 Mainstream Performance |
Wichtigste Unterscheidungsmerkmale
- Exact verified 384 KB Flash configuration (vs. STM32F103VGT6)
- 100-pin LQFP implementation with 14 x 14 mm body (vs. STM32F103VDT6)
- USB and CAN connectivity in the manufacturer-positioned high-density family (vs. STM32F103VHT6)
- Direct manufacturer and multi-distributor sourcing visibility (vs. Cross-brand GD32F103 candidate)
Designhinweise
Build the layout from the exact STMicroelectronics 100-LQFP package drawing and pin table, not from the family name alone. Place required bulk and high-frequency decoupling capacitors beside their associated supply pins, keep the NRST net compact and away from switching nodes, and provide short ground-return paths. Verify every VDD, VSS, boot, clock, debug, and peripheral connection against the suffix-specific datasheet. A 14 x 14 mm LQFP is straightforward to route but still leaves limited escape space between 0.5 mm leads, so use a sensible layer count and maintain consistent clearances.
Treat USB and high-speed communication routes as controlled-impedance interfaces. Route the USB D+ and D- pair as a tightly coupled differential pair over a continuous ground plane, minimize vias and stubs, and place any required series termination exactly where the STM32 reference design specifies. For CAN, keep the transceiver and protection network close to the connector and separate from switching-power paths. These layout actions reduce emissions and improve immunity, but final impedance and protection values must be derived from the applicable interface and EMC requirements.
Do not treat the STM32F103 family name as proof that every ordering suffix is electrically identical. Flash density, RAM, temperature grade, clock limits, and qualification can change with the density and suffix codes. For an alternative, check the full ordering table, compare every powered pin, rebuild or recompile the firmware for the selected device, and rerun USB, CAN, timer, motor-control, and fault-injection tests. A footprint match is only the starting condition for a drop-in assessment.
Design the supply network around the exact datasheet limits rather than the nominal 72 MHz CPU speed. Confirm the required input-voltage range, regulator tolerance, startup current, and current drawn by enabled peripherals before selecting the power source. Use separate local decoupling branches where multiple supply pins exist and keep switching-regulator loops compact. If the design uses an MCU-driven motor or relay load, isolate transient currents from sensitive MCU rails and verify brownout behavior during load steps to prevent unintended resets.
Compliance-Informationen
The supplied verified excerpts do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. The automotive application example is therefore an engineering use case, not evidence that the standard STM32F103VDT7 is AEC-Q100 qualified.