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STMicroelectronics STM32F205VGT6J
- Part No.:
- STM32F205VGT6J
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
STM32F205VGT6J.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,073
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Product details
Overview
STM32F205VGT6J from STMicroelectronics is a 32-bit Arm® Cortex®-M3 microcontroller with 1 MB Flash, 128 + 4 KB SRAM, and dual USB OTG (FS/HS), 10/100 Ethernet MAC, and dual CAN 2.0B interfaces - deployed in industrial gateways requiring real-time protocol bridging and deterministic network edge processing.
For engineers reviewing the STM32F205VGT6J datasheet, STM32F205VGT6J pinout, STM32F205VGT6J application, or STM32F205VGT6J equivalent, key selection criteria include Ethernet MAC timing compliance, USB HS ULPI interface support, DCMI camera interface bandwidth (up to 48 MB/s), ART Accelerator™-enabled zero-wait-state Flash execution at 120 MHz, and VBAT-backed RTC with 20×32-bit backup registers.
Technical Context
The STM32F205VGT6J integrates a Cortex-M3 core with Adaptive Real-Time Accelerator (ART Accelerator™) enabling deterministic 0-wait-state execution from Flash at up to 120 MHz, delivering 150 DMIPS. Its memory subsystem includes 1 MB Flash with ECC protection, 128 KB main SRAM, and 4 KB battery-backed SRAM for critical data retention.
It features a dual-domain AHB bus matrix supporting concurrent high-bandwidth peripherals: 10/100 Ethernet MAC with IEEE 1588v2 hardware timestamping, USB 2.0 HS/FS OTG controllers (one with on-chip FS PHY + ULPI for HS), and an 8–14-bit parallel DCMI interface capable of 48 MB/s throughput for real-time image capture.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 @ 120 MHz max; enables deterministic real-time control with 150 DMIPS performance and MPU for memory isolation. |
| Flash Memory | 1 MB with ART Accelerator™; supports zero-wait-state execution from Flash, critical for time-critical ISR latency consistency. |
| SRAM | 128 KB main + 4 KB VBAT-backed SRAM; provides ample buffer space for Ethernet packet queues and camera frame buffering. |
| USB Interfaces | Dual OTG: FS controller with on-chip PHY + HS controller with ULPI interface; enables simultaneous device/host roles and high-speed peripheral attachment. |
| Ethernet MAC | 10/100 Mbit/s with dedicated DMA and IEEE 1588v2 hardware timestamping; supports precise time-synchronized industrial networking. |
| DCMI Interface | 8–14-bit parallel camera interface, 48 MB/s max throughput; enables direct connection to CMOS image sensors without external FIFOs. |
| ADC/DAC | Three 12-bit ADCs (6 MSPS triple interleaved), two 12-bit DACs; supports multi-channel analog monitoring and waveform generation in motor control. |
Pinout & Package
LQFP64 package (10 × 10 mm, 0.5 mm pitch), RoHS-compliant, with 51 I/O pins (49 5 V-tolerant), VCAP1/VCAP2 decoupling pins, dedicated ULPI bus (D0–D7, CLK, DIR, NXT, STP), RMII signals (REF_CLK, CRS_DV, TXD[1:0], RXD[1:0]), and DCMI pins (HSYNC, VSYNC, D[13:0]).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD/VSS | Core & I/O power supply | Separate 1.8–3.6 V domains; requires local 100 nF + 4.7 µF decoupling per VDD pair and VCAP1/VCAP2 2.2 µF ceramic caps for regulator stability. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | Up to 51 user-accessible pins; 49 are 5 V-tolerant, enabling direct interfacing with legacy 5 V logic without level shifters. |
| PA12/PA11/PA10/PA9 | USB FS DP/DM/VBUS/ID | Integrated full-speed PHY; PA11/PA12 route differential D+/D−, eliminating external transceiver for FS-only designs. |
| PH13–PH15, PI10–PI11 | ULPI D0–D7, CLK, DIR, NXT, STP | High-speed parallel interface for external USB HS PHY; supports 60 MHz ULPI clock for 480 Mbit/s operation. |
| PC1–PC4, PD8–PD15 | RMII interface | 10/100 Ethernet physical layer interface; requires 50 Ω impedance-controlled traces and 50 MHz REF_CLK source. |
| PC6–PC11, PD3–PD6 | DCMI D0–D13, HSYNC, VSYNC, PIXCLK | Parallel camera input bus; supports 8/10/12/14-bit modes with pixel clock up to 48 MHz for real-time video streaming. |
Key Features
| Feature | Design Value |
|---|---|
| ART Accelerator™ | Enables 0-wait-state Flash execution at 120 MHz, reducing code-fetch stalls and ensuring consistent interrupt latency in real-time tasks. |
| Flexible Static Memory Controller (FSMC) | Supports NOR, PSRAM, NAND, and CompactFlash with configurable wait states and burst mode - ideal for external display or storage expansion. |
| Dual CAN 2.0B interfaces | Independent CAN FD-capable controllers (software-compatible); enables redundant fieldbus communication or gateway bridging between CAN networks. |
| IEEE 1588v2 Hardware Timestamping | Dedicated timestamp register in Ethernet MAC; allows sub-microsecond time synchronization for industrial automation and power grid monitoring. |
| VBAT domain resources | RTC + 20×32-bit backup registers + 4 KB backup SRAM powered by coin cell; retains critical state during main power loss without software intervention. |
Applications
| Industrial Ethernet Gateway | Smart Camera Node |
|---|---|
|
Use Scenario: Protocol translation between Modbus TCP, EtherNet/IP, and CANopen in factory-floor edge nodes. IC Role / Device Role / Timing Role: Central MCU managing dual Ethernet MAC and dual CAN controllers with deterministic packet scheduling via embedded RTOS. Use Value: IEEE 1588v2 hardware timestamping ensures synchronized sampling across distributed I/O modules within ±100 ns tolerance. |
Use Scenario: Low-latency machine vision preprocessing in automated optical inspection systems. IC Role / Device Role / Timing Role: Direct DCMI sensor interface + DMA-accelerated frame capture + hardware JPEG encoding offload via FSMC-connected co-processor. Use Value: 48 MB/s DCMI bandwidth enables 720p@30fps raw Bayer capture without frame dropping, while ART Accelerator™ sustains real-time histogram analysis. |
| USB-Ethernet Bridge Device | Energy Metering Hub |
|
Use Scenario: Field-deployable USB-to-Ethernet adapter for legacy test equipment connectivity in lab environments. IC Role / Device Role / Timing Role: Dual-role USB OTG (host mode for USB-UART adapters, device mode for PC configuration) + RMII Ethernet link. Use Value: Integrated ULPI interface eliminates external USB HS PHY, reducing BOM count and PCB area by 30% vs discrete solutions. |
Use Scenario: Multi-tariff electricity meter with secure firmware updates, tamper detection, and time-of-use logging. IC Role / Device Role / Timing Role: Secure boot-enabled MCU running cryptographic stack (RNG + AES accelerator) with RTC-driven billing intervals and VBAT-backed event logs. Use Value: 4 KB backup SRAM stores 30 days of encrypted consumption snapshots, surviving >10 years on CR2032 coin cell. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-connectivity MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F207VCT6 | Same package and pinout; adds Ethernet PHY interface (MII only, no RMII) and removes DCMI; identical Flash/SRAM/USB/Ethernet MAC specs. | Preferred where external PHY is used and camera interface is unnecessary; lacks parallel camera support required for vision use cases. | Select when Ethernet PHY integration is needed and DCMI is unused - reduces layout complexity for PHY routing but sacrifices imaging capability. |
| STM32F407VGT6 | Higher clock (168 MHz), FPU, larger Flash (1 MB), same LQFP64 package; adds FMC (replaces FSMC), no DCMI; USB HS/FS and Ethernet MAC retained. | Better suited for floating-point math (motor control, FFT), but lacks native DCMI - requires external bridge IC for camera sensors. | Choose for compute-intensive tasks needing FPU or larger code footprint; avoid if direct CMOS sensor interface is mandatory. |
Compared with STM32F205VGT6J, STM32F207VCT6 trades DCMI for MII PHY support - ideal for wired Ethernet-only gateways - while STM32F407VGT6 offers higher CPU throughput and FPU at the cost of camera interface removal, shifting vision workloads to external processors or FPGA co-processing.
Availability
STM32F205VGT6J is available at Aetrix Electronics and suitable for industrial gateways, smart camera nodes, USB-Ethernet bridge devices, and energy metering hubs requiring stable component supply across extended product lifecycles.
Supply support for STM32F205VGT6J 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 with vertical manufacturing capabilities.
The STM32F2 series targets high-performance industrial and networking applications, emphasizing real-time connectivity (Ethernet, USB HS/FS, CAN), deterministic execution (ART Accelerator™), and robust peripheral integration for edge intelligence.
FAQ
What is the maximum operating frequency and how is it achieved?
The STM32F205VGT6J achieves 120 MHz maximum CPU frequency using its internal PLL with HSE (4–26 MHz) or HSI (16 MHz) as source. The ART Accelerator™ enables zero-wait-state execution from Flash memory, eliminating instruction fetch bottlenecks and sustaining full 150 DMIPS performance without external cache or SRAM code relocation.
Does this MCU support hardware encryption or secure boot?
No, the STM32F205VGT6J does not integrate hardware AES, SHA, or PKA accelerators, nor does it support secure boot or tamper-detection circuits. It relies on software-based cryptography libraries. For secure firmware updates or trusted execution, ST recommends migrating to STM32L4+, STM32H7, or STM32U5 series with dedicated security peripherals.
Can the USB HS interface operate without an external PHY?
No - the USB HS interface requires an external ULPI-compliant PHY chip. Only the USB FS interface includes an integrated PHY (on PA11/PA12). The HS controller connects via ULPI signals (D0–D7, CLK, DIR, NXT, STP) and mandates a 60 MHz clock source and proper termination per ULPI v1.1 specification.
What is the purpose of the VCAP1 and VCAP2 pins?
VCAP1 and VCAP2 connect to 2.2 µF ceramic capacitors that stabilize the internal voltage regulator's output. These pins must be decoupled locally with low-ESR capacitors placed adjacent to the MCU; omission or undersizing causes unstable core voltage, leading to unpredictable resets or Flash corruption during high-current transients.
STM32F205VGT6J Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 100-LQFP
- Series:
- STM32F2
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, I2C, IrDA, LINbus, MMC, SPI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
- Number of I/O:
- 82
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 132K 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F205VGT6J FAQ
1.How can I place an order for STM32F205VGT6J through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F205VGT6J 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 STM32F205VGT6J reliable?
The price and inventory of STM32F205VGT6J are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F205VGT6J is usually 5 days.
3.What payment methods are accepted for STM32F205VGT6J?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F205VGT6J transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F205VGT6J?
STM32F205VGT6J orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F205VGT6J 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 STM32F205VGT6J?
For technical support, including STM32F205VGT6J datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F205VGT6J requirements.
6.How does Aetrix verify that STM32F205VGT6J is sourced from the original manufacturer or authorized distributors?
All STM32F205VGT6J 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 STM32F205VGT6J meets industry standards.
7.What is the process for return or replacement of STM32F205VGT6J?
All STM32F205VGT6J units undergo pre-shipment inspection (PSI). If there is an issue with STM32F205VGT6J, 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 STM32F205VGT6J part is unused and in its original packaging.
Return procedure for STM32F205VGT6J:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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