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Home > Products > Integrated Circuits (ICs) > Embedded > Microcontrollers

STMicroelectronics STM32F207VCDEF

Name: STM32F207VCDEF
Brand: STMicroelectronics
SKU: STM32F207VCDEF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32F207VCDEF

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: -

Datasheet:: STM32F207VCDEF.pdf

Description:: IC MCU 32BIT 256KB FLASH 100LQFP

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Product details

Overview

STM32F207VCDEF from STMicroelectronics is a 32-bit Arm® Cortex®-M3 microcontroller operating at up to 120 MHz, featuring 256 KB Flash, 96 KB SRAM (64+32 KB), dual CAN 2.0B interfaces, 10/100 Ethernet MAC with IEEE 1588v2 hardware support, and USB OTG HS/FS controllers - deployed in industrial gateways requiring real-time protocol bridging and deterministic network timing.

For engineers reviewing the STM32F207VCDEF datasheet, STM32F207VCDEF pinout, STM32F207VCDEF application, or STM32F207VCDEF equivalent, key selection criteria include Ethernet MAC + IEEE 1588v2 hardware timestamping capability, dual-CAN redundancy for fieldbus coexistence, and 140-pin I/O count with 5 V-tolerant operation across 138 pins.

Technical Context

The STM32F207VCDEF integrates an ART Accelerator™ enabling zero-wait-state execution from Flash at 120 MHz, coupled with a Memory Protection Unit (MPU) for secure task isolation in RTOS environments. Its multi-AHB bus matrix concurrently services CPU, DMA, and peripheral accesses without arbitration bottlenecks.

It implements two independent USB PHYs: one full-speed on-chip PHY for OTG_FS and a high-speed PHY with ULPI interface plus dedicated DMA for OTG_HS - enabling simultaneous host/device roles with minimal CPU overhead. The Ethernet MAC supports MII/RMII physical layer interfaces and hardware-accelerated IEEE 1588v2 timestamping for sub-microsecond synchronization accuracy.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm Cortex-M3 @ 120 MHz max; delivers 150 DMIPS with ART Accelerator for deterministic real-time code execution from Flash.
Flash / RAM	256 KB Flash + 96 KB SRAM (64 KB main + 32 KB CCM); CCM RAM provides zero-wait-state access for critical ISR/data buffers.
Ethernet Interface	10/100 MAC with IEEE 1588v2 hardware timestamping, MII/RMII support, and dedicated DMA - enables precise time-synchronized industrial networking.
CAN Interfaces	Two independent CAN 2.0B controllers with programmable bit timing; supports redundant fieldbus communication and gateway bridging between CAN networks.
USB Support	Dual USB controllers: OTG_FS (on-chip FS PHY) and OTG_HS (external ULPI PHY + dedicated DMA); allows concurrent high-bandwidth device/host operation.
I/O Count & Tolerance	100-pin LQFP package with 82 user I/Os; 138 pins are 5 V-tolerant, simplifying interface to legacy 5 V peripherals without level shifters.
ADC/DAC	Three 12-bit ADCs (up to 6 MSPS in triple interleaved mode) and two 12-bit DACs - suitable for closed-loop motor control with analog feedback and waveform generation.

Pinout & Package

LQFP100 (14 × 14 mm, 0.5 mm pitch) package with exposed thermal pad; RoHS-compliant, industrial temperature range (–40°C to +85°C).

Pin/Terminal	Circuit Role	Design Meaning
VDD/VSS	Power supply / Ground	Dual 3.3 V domains (VDD/VDDA) with separate analog ground (VSSA); requires 2.2 µF decoupling per VDD pair near pins 12/13 and 52/53.
PA0–PA15, PB0–PB15, etc.	General-purpose I/O	82 configurable GPIOs; most support multiple alternate functions including Ethernet MII/RMII, CAN TX/RX, USB DP/DM, and SDIO signals.
PH0/PH1	HSE oscillator input/output	Connects to 4–26 MHz crystal; essential for Ethernet MAC clock derivation and USB HS PLL reference.
PC11–PC15, PD0–PD7	Ethernet MII interface	16-pin MII bus (TXD0–TXD3, RXD0–RXD3, TX_EN, RX_DV, CRS, COL, REF_CLK); enables direct connection to external PHY (e.g., LAN8720A).
PA11/PA12	USB OTG_FS DP/DM	Full-speed differential pair with integrated transceiver; no external PHY required for FS device/host operation.
PA5/PB12–PB13	USB OTG_HS ULPI	8-bit ULPI interface (DATA0–DATA7, CLK, DIR, NXT, STP); connects to high-speed PHY (e.g., USB3300) for 480 Mbps operation.
PB8/PB9	CAN1 TX/RX	Dedicated CAN1 bus interface; supports bit rates up to 1 Mbps with programmable sample point and synchronization jump width.
PD0/PD1	CAN2 TX/RX	Second independent CAN controller; enables dual-bus topology for safety-critical or redundant fieldbus systems.

Key Features

Feature	Design Value
IEEE 1588v2 Hardware Timestamping	MAC-layer PTP timestamping with nanosecond resolution and hardware correction for ingress/egress delay - eliminates software jitter in time-sensitive networking.
Dual Independent CAN Controllers	Simultaneous CAN 2.0B operation on separate buses; each with 14 message mailboxes, FIFO buffering, and automatic retransmission - ideal for protocol translation gateways.
Flexible Static Memory Controller (FSMC)	Supports NOR, PSRAM, NAND, and CompactFlash with programmable timing; enables direct attachment of external display controllers or FPGA co-processors.
ART Accelerator™	Instruction prefetch + branch cache delivering 0-wait-state performance from Flash at 120 MHz - removes Flash latency penalty for real-time deterministic code.
CCM SRAM (64 KB)	Tightly coupled memory block accessible only by CPU (not DMA); used for critical stack, ISR context, or real-time control algorithms requiring guaranteed latency.

Applications

Industrial Ethernet Gateway

Multi-Protocol Fieldbus Bridge

Use Scenario: Aggregating Modbus TCP, EtherNet/IP, and PROFINET traffic across factory floor devices while maintaining strict timing alignment.

IC Role / Device Role / Timing Role: Primary application processor executing real-time Linux or FreeRTOS with hardware-accelerated Ethernet MAC and IEEE 1588v2 timestamping engine.

Use Value: Sub-microsecond packet timestamping enables deterministic scheduling of control messages and synchronized motion coordination across distributed drives.

Use Scenario: Translating CANopen commands from PLCs into EtherCAT frames for servo drives in packaging machinery.

IC Role / Device Role / Timing Role: Protocol translation engine with dual CAN controllers and Ethernet MAC, managing concurrent CAN bus arbitration and Ethernet frame assembly.

Use Value: Independent CAN TX/RX channels allow full-duplex bridging without software polling delays; CCM SRAM ensures low-latency interrupt response for time-critical fieldbus events.

Smart Energy Meter Hub

Video-Enabled Building Controller

Use Scenario: Collecting data from DLMS/COSEM-compliant smart meters via RS-485 and forwarding via secure TLS over Ethernet to utility SCADA systems.

IC Role / Device Role / Timing Role: Secure communications hub with hardware crypto acceleration (AES, DES, SHA-1), dual CAN for meter interfacing, and Ethernet MAC with IEEE 1588v2 for time-stamped event logging.

Use Value: Integrated AES engine offloads encryption from CPU; 128 KB total RAM accommodates TLS handshake buffers and encrypted payload staging without external memory.

Use Scenario: Integrating IP camera feeds with HVAC and lighting controls in intelligent building management systems.

IC Role / Device Role / Timing Role: Vision-enabled controller using DCMI parallel camera interface (8–14 bit, 48 MB/s) and dual CAN for actuator feedback, plus Ethernet for remote video streaming.

Use Value: DCMI captures MJPEG frames directly into SRAM; dual CAN monitors damper positions and temperature sensors while Ethernet streams metadata and alerts.

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STM32F407VGT6	Higher clock (168 MHz), larger Flash (1 MB), FPU, but no IEEE 1588v2 hardware timestamping; Ethernet MAC lacks PTP acceleration.	Suitable for compute-intensive vision or audio processing, but not for sub-microsecond time-synchronized networking.	Select when floating-point math or larger code footprint dominates over precision time-stamping requirements.
STM32H743ZIT6	Cortex-M7 core (480 MHz), dual-core option, enhanced Ethernet with hardware checksum offload and TSN support, but higher power and cost.	Targeted at Time-Sensitive Networking (TSN) deployments requiring multi-stream scheduling and frame preemption.	Choose for next-generation industrial automation where TSN compliance and >200 MHz processing headroom are mandatory.

Compared with STM32F207VCDEF, the STM32F407VGT6 trades IEEE 1588v2 hardware timestamping for raw compute throughput and FPU, while the STM32H743ZIT6 extends Ethernet capabilities into full TSN with deterministic scheduling - making the F207 the optimal balance of precision timing, dual-CAN, and cost-effective industrial connectivity.

Availability

STM32F207VCDEF is available at Aetrix Electronics and suitable for industrial gateways, fieldbus bridges, smart energy hubs, and building controllers requiring stable component supply across extended product lifecycles.

Supply support for STM32F207VCDEF 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 ICs, sensors, and automotive semiconductors since 1987.

The STM32F2 series targets high-performance industrial connectivity applications, emphasizing integrated Ethernet, dual CAN, USB OTG, and real-time determinism - specifically engineered for protocol-aware edge nodes in factory automation and energy infrastructure.

FAQ

What is the maximum operating frequency and how is it achieved?

The STM32F207VCDEF achieves 120 MHz maximum CPU frequency using its Adaptive Real-Time Accelerator (ART Accelerator™), which combines instruction prefetch and branch cache to deliver zero-wait-state execution from internal Flash memory. This eliminates Flash access latency, enabling deterministic real-time performance without requiring code relocation to SRAM.

Does this MCU support hardware-based IEEE 1588v2 timestamping?

Yes - the integrated 10/100 Ethernet MAC includes dedicated hardware registers and logic for IEEE 1588v2 Precision Time Protocol timestamping. It captures transmit/receive timestamps at the MAC layer with nanosecond resolution and applies hardware corrections for PHY delay, enabling sub-microsecond synchronization accuracy without CPU intervention.

How many CAN interfaces does the STM32F207VCDEF provide, and are they electrically isolated?

The STM32F207VCDEF integrates two fully independent CAN 2.0B controllers (CAN1 and CAN2), each with dedicated message RAM, filters, and TX/RX pins. Neither controller includes galvanic isolation; external isolated CAN transceivers (e.g., ISO1050 or ADM3053) must be used for bus-level isolation in noisy industrial environments.

What package and pin count does the 'VC' suffix indicate?

The 'VC' in STM32F207VCDEF denotes the LQFP100 package: a 100-pin quad flat pack with 14 × 14 mm body size and 0.5 mm pitch. This variant provides 82 general-purpose I/Os, all 5 V-tolerant, and exposes full Ethernet MII, dual CAN, USB OTG HS/FS, and DCMI interfaces - optimized for industrial control boards requiring dense peripheral integration.

STM32F207VCDEF Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: -

Series:: STM32F2

Packaging:: Tray

Product Status:: Active

Programmable:: Not Verified

Core Processor:: ARM® Cortex®-M3

Core Size:: 32-Bit Single-Core

Speed:: 120MHz

Connectivity:: CANbus, Ethernet, I2C, IrDA, LINbus, Memory Card, SPI, UART/USART, USB OTG

Peripherals:: Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT

Number of I/O:: 82

Program Memory Size:: 256KB (256K x 8)

Program Memory Type:: FLASH

EEPROM Size:: -

RAM Size:: 96K x 8

Voltage - Supply (Vcc/Vdd):: 1.8V ~ 3.6V

Data Converters:: A/D 16x12b; D/A 2x12b

Oscillator Type:: Internal

Operating Temperature:: -40°C ~ 105°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:

STM32F207VCDEF FAQ

1.How can I place an order for STM32F207VCDEF through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32F207VCDEF 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 STM32F207VCDEF reliable?

The price and inventory of STM32F207VCDEF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F207VCDEF is usually 5 days.

3.What payment methods are accepted for STM32F207VCDEF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F207VCDEF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32F207VCDEF?

STM32F207VCDEF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32F207VCDEF 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 STM32F207VCDEF?

For technical support, including STM32F207VCDEF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F207VCDEF requirements.

6.How does Aetrix verify that STM32F207VCDEF is sourced from the original manufacturer or authorized distributors?

All STM32F207VCDEF 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 STM32F207VCDEF meets industry standards.

7.What is the process for return or replacement of STM32F207VCDEF?

All STM32F207VCDEF units undergo pre-shipment inspection (PSI). If there is an issue with STM32F207VCDEF, 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 STM32F207VCDEF part is unused and in its original packaging.

Return procedure for STM32F207VCDEF:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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