STM32F101VET6 - 32-Bit 36MHz Cortex-M3 MCU | STMicroelectronics
MPN: STM32F101VET6 ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
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| 500 | $0 | $0.00 |
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STM32F101VET6 Overview
A microcontroller is an integrated semiconductor device containing a processor core, memory, I/O ports, and peripherals such as timers, serial interfaces, and analog converters. The STM32F101VET6 belongs to the Cortex-M3 -> 32-bit microcontroller -> embedded processor -> semiconductor hierarchy, combining deterministic control processing with extensive on-chip integration.
Key verified attributes include an ARM Cortex-M3 core, 32-bit architecture, 36 MHz maximum clock frequency, 512 KB Flash, and 100-LQFP packaging. The 100-pin package provides substantially more I/O and peripheral connectivity than smaller 48-pin devices, making the MCU suitable for control panels, industrial controllers, communication gateways, and multi-interface embedded systems. The verified distributor listing identifies 37 I/O ports, while the package snippet identifies a 14 x 14 mm LQFP outline.
The STM32F101VET6 is positioned as an access-line part rather than a low-power or high-performance Cortex-M series member. Its principal engineering value is the combination of Cortex-M3 software support, ample Flash storage for larger firmware images, and a high pin count for concurrent peripheral connections. The STM32F101 family name also indicates a mature STM32F1 platform, although exact peripheral details should be confirmed in the manufacturer documentation before final design release.
Typical designs can use the MCU for industrial automation, embedded gateways, data acquisition, motor and relay control, and communication equipment. The 100-LQFP footprint requires a multilayer or carefully routed PCB with adequate escape routing for its fine-pitch leads. Designers should verify power, clock, peripheral, and pin multiplexing requirements against the exact datasheet and validate firmware, bootloader, timing, and mixed-signal behavior.
This page combines verified distributor and cross-reference information with structured engineering guidance. It distinguishes confirmed STM32F101VET6 attributes from specifications that still require manufacturer-data confirmation, helping engineers evaluate sourcing, replacement, and design decisions without treating unverified details as guaranteed facts.
Drop-in alternatives for STM32F101VET6 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
GD32F101VET6
✅ Drop-In📋 Reference alternative (not in catalog)
STM32F101VET6 Maximum Ratings & Electrical Characteristics
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| Series | STM32F1 series |
| Core | ARM Cortex-M3 |
| Architecture | 32-bit |
| Maximum Clock Frequency | 36 MHz |
| Flash Memory | 512 KB |
| Flash Organization | 512K x 8 |
| I/O Ports | 37 |
| Supply Voltage | 2.4 V to 3.6 V |
| Package | 100-LQFP (14 x 14 mm) |
| Mounting Type | Surface mount |
| RoHS Status | RoHS compliant |
| Timer Count | 12 timers |
| ADC | ADC available |
| DAC | DAC available |
| Communication Interfaces | 8 communication interfaces |
| Lifecycle Stage | Active |
STM32F101VET6 100-lqfp (14 x 14 mm) Pin Configuration Guide
Pin configuration for STM32F101VET6 (100-lqfp (14 x 14 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for STM32F101VET6.
Refer to the datasheet for full pin configuration.
Typical Applications
STM32F101VET6 is suitable for 6 applications: Industrial Automation Controller, Communication Gateway, Data Acquisition System, Motor and Relay Control, Embedded Measurement and Control Panel, Secure Networked Embedded Node.
Industrial Automation Controller
The STM32F101VET6 fits an industrial automation controller that needs deterministic real-time control and broad peripheral connectivity. Its verified 36 MHz ARM Cortex-M3 core can execute control logic, while 12 timers support periodic sequencing, input capture, or output compare tasks. The 37 I/O ports and 100-LQFP package provide access to sensors, actuators, relays, and status indicators without relying on a smaller package. The ADC is useful for analog process monitoring, while the DAC can support actuator or test-signal generation. Designers should still verify the exact timer channels, ADC resolution, pin multiplexing, and environmental limits against the manufacturer datasheet.
Recommended
Communication Gateway
The STM32F101VET6 is a practical candidate for a communication gateway because the verified data identifies eight communication interfaces and 37 I/O ports. A gateway can use those connections for serial links, field-bus adapters, diagnostics, status reporting, and configuration interfaces, while the Cortex-M3 core handles protocol framing and local control. The 512 KB Flash capacity provides room for a gateway firmware image, boot logic, and protocol tables. The principal design trade-off is that the device is a 3.3 V, 36 MHz MCU rather than a dedicated network processor, so protocol throughput, interrupt load, and boot behavior must be benchmarked.
Recommended
Data Acquisition System
The STM32F101VET6 can serve in a data-acquisition system that combines analog measurement with digital control. Its verified ADC capability allows the MCU to sample external sensors, while the 36 MHz Cortex-M3 core can perform filtering, scaling, and host communication. The 100-LQFP package offers a large pin count for multiple sensor inputs, communication signals, and control outputs. The DAC may also support excitation, calibration, or signal-output requirements. Before layout, verify the ADC input range, sample-time requirements, reference voltage, pin assignments, and whether a precision external reference is needed for measurement accuracy.
Recommended
Motor and Relay Control
The STM32F101VET6 is suitable for basic embedded motor-control and relay-control platforms where an MCU must coordinate timing, sensing, and outputs. Its 12 verified timers provide resources for pulse timing, capture, compare, and periodic scheduling, while 37 I/O ports can connect to drivers, limit switches, status LEDs, and discrete control signals. The 36 MHz Cortex-M3 core provides more processing headroom than a very small low-end MCU. The design must still account for inductive loads, isolation, flyback paths, voltage transients, grounding, and thermal requirements; the MCU should not directly drive power devices unless the electrical limits explicitly support it.
Recommended
Embedded Measurement and Control Panel
The STM32F101VET6 can support a compact measurement-and-control panel where local sensing, display update, keypad input, and communications are combined. The 100-LQFP package provides enough pins for a display interface, control inputs, status outputs, and communication peripherals, while 512 KB Flash provides room for application firmware and configuration tables. The ADC supports front-end measurement and the DAC can assist with calibration or test outputs. Because the MCU is a 100-pin fine-pitch LQFP, PCB layout should prioritize short analog paths, clean reference routing, adequate ground planes, and controlled switching-current return paths.
Recommended
Secure Networked Embedded Node
The STM32F101VET6 is a candidate for a networked embedded node that requires general-purpose control and a broad peripheral set rather than a highly specialized radio part. Its verified eight communication interfaces and 37 I/O ports can support local sensor, actuator, and host connections, while the Cortex-M3 core runs application logic. A network interface such as W5100 or KSZ8001LI can be considered when Ethernet connectivity is required. The tradeoff is software and validation complexity: communication timing, protocol stack behavior, watchdog behavior, memory usage, and security requirements must be evaluated before selecting this MCU for a connected product.
Recommended
Recommended Products Summary
Engineering reference data for STM32F101VET6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | GD32F101VET6 |
|---|---|---|
| Package | 100-LQFP (14 x 14 mm) | 100-LQFP (14 x 14 mm) - same package stated in cross-reference candidate |
| Brand | STMicroelectronics | GigaDevice |
| Maximum Frequency | 36 MHz | 56 MHz |
Key Differentiators
- Higher verified clock speed than the disclosed GD32 cross-reference candidate (vs GD32F101VET6)
- Established STM32F1 family identity for software and ecosystem review (vs GD32F101VET6)
- Verified 512 KB Flash configuration (vs GD32F101VET6)
- High-pin-count package for interface-rich designs (vs GD32F101VET6)
Design Notes
The 100-LQFP, 14 x 14 mm package has fine-pitch leads and requires a PCB footprint with the manufacturer-recommended land pattern, solder-mask clearance, and paste volume. Route high-speed or sensitive signals away from switching supplies and noisy inductors. Preserve a continuous ground reference beneath the device where practical, and place decoupling capacitors close to the relevant power pins. Do not infer the exact footprint, pin numbering, exposed-pad details, or maximum pin current from the distributor snippet; confirm them in the official mechanical drawing.
Design the STM32F101VET6 around its verified 2.4 V to 3.6 V supply range, normally using a regulated 3.3 V rail. Place the required bulk and local decoupling capacitors according to the manufacturer power-supply recommendations, and keep analog, digital, and return-current paths organized. Validate startup, brownout behavior, peripheral current, and regulator transient response in the assembled board because the supplied data does not include a complete electrical-characteristics table.
Do not treat the STM32F101VET6 and GD32F101VET6 as interchangeable solely because both have similar family naming and a referenced 100-LQFP package. The supplied cross-reference data discloses a maximum-frequency difference of 56 MHz versus 36 MHz. Before substitution, compare the pin mapping, electrical limits, peripheral behavior, clock tree, startup code, linker configuration, driver compatibility, and application timing. A successful compile is not proof of hardware or firmware equivalence.
For analog measurement using the ADC, keep sensor traces short and isolate them from digital switching paths. Use a defined reference strategy, appropriate source impedance, and filtering matched to the required bandwidth. If the DAC is used for excitation or calibration, verify its output range and settling behavior against the load. Because ADC resolution, reference voltage, sample time, and DAC output specifications are not included in the supplied verified data, these values must be obtained from the manufacturer datasheet before selecting passive values.
The supplied data does not provide the STM32F101VET6 junction-temperature rating, thermal resistance, or maximum power dissipation. Do not estimate safe operation from package size alone. For exposed or high-current peripheral designs, calculate dissipation from the actual load currents and compare the resulting junction temperature with the manufacturer limits. Use the verified 36 MHz frequency as a timing constraint, not as a thermal rating, and validate the final PCB with measured temperature rise where required.
Compliance Information
RoHS compliant is explicitly stated in the supplied technical listing. No verified REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification statement was provided.