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STMicroelectronics STM32F205RGT6
- Part No.:
- STM32F205RGT6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
STM32F205RGT6.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,225
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Product details
Overview
STM32F205RGT6 from STMicroelectronics is a 32-bit Arm® Cortex®-M3 microcontroller operating at up to 120 MHz, featuring 1 MB Flash, 128 + 4 KB SRAM, 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 STM32F205RGT6 datasheet, STM32F205RGT6 pinout, STM32F205RGT6 application, or STM32F205RGT6 equivalent, key selection considerations include Ethernet MAC+DMA coherency, ART Accelerator™-enabled zero-wait-state Flash execution, dual-CAN bus arbitration capability, and DCMI camera interface timing compliance (48 MB/s max).
Technical Context
The device integrates a multi-AHB bus matrix enabling concurrent access to Flash, SRAM, and peripherals without contention; its ART Accelerator™ eliminates Flash wait states at 120 MHz by caching instruction fetches and branch prediction metadata. The embedded Ethernet MAC includes dedicated DMA channels, MII/RMII physical layer support, and hardware timestamping for IEEE 1588v2 precision time protocol.
It implements three independent 12-bit ADCs (up to 6 MSPS in triple interleaved mode), two 12-bit DACs, and a flexible static memory controller supporting NAND/NOR/PSRAM - enabling direct interfacing with external display buffers, industrial I/O modules, and legacy fieldbus adapters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 @ 120 MHz with ART Accelerator™: enables zero-wait-state execution from Flash, critical for deterministic real-time control loops. |
| Memory | 1 MB Flash + 128 KB main SRAM + 4 KB backup SRAM: supports large protocol stacks (TCP/IP, CANopen, Modbus TCP) and retains state during power loss. |
| Ethernet Interface | 10/100 MAC with IEEE 1588v2 hardware timestamping: delivers sub-microsecond time synchronization for industrial automation and PTP-compliant devices. |
| USB Connectivity | OTG HS/FS with dedicated DMA and on-chip PHY: allows simultaneous host/device roles and high-bandwidth data transfer (e.g., firmware updates over USB HS). |
| Analog Peripherals | 3 × 12-bit ADCs (24-channel, 6 MSPS interleaved) + 2 × 12-bit DACs: enables synchronized multi-sensor acquisition and analog actuator control in closed-loop systems. |
| Communication Interfaces | 2 × CAN 2.0B, 4 × USART, 3 × SPI, 3 × I²C, SDIO, DCMI: supports full-stack industrial connectivity including fieldbus bridging and image capture from machine vision sensors. |
| Package | LQFP64 (10 × 10 mm): provides 51 GPIOs with 5 V tolerance and interrupt capability - suitable for compact industrial PCB layouts with mixed-voltage I/O. |
Pinout & Package
LQFP64 package with exposed thermal pad; 64-pin quad flat pack, 0.5 mm pitch, RoHS-compliant, rated for industrial temperature range (–40°C to +105°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDIO2 | Power supply inputs | Separate analog/digital domains ensure noise isolation for ADC/DAC operation; VDDIO2 enables 5 V-tolerant I/Os without level shifters. |
| PA0–PA15, PB0–PB15, PC0–PC15, PD0–PD15, PE0–PE15 | General-purpose I/Os | Up to 51 5 V-tolerant pins with configurable pull-up/down, alternate functions, and edge-triggered interrupts - ideal for sensor polling and digital I/O expansion. |
| PA11/PA12 | USB OTG FS D+/D− | Dedicated full-speed USB transceiver pins with internal pull-ups; require no external termination resistors for basic device enumeration. |
| PA13/PA14/PA15 | SWD debug interface | Serial Wire Debug (SWD) pins enable non-intrusive real-time debugging and flash programming using standard ST-LINK probes. |
| PH0/PH1 | HSE crystal oscillator inputs | Support 4–26 MHz external crystal for precise system clock generation; essential for Ethernet MAC timing and USB SOF synchronization. |
| PC11/PC12 | ETH_MDC/ETH_MDIO | Management Data Input/Output for PHY configuration via SMI; required for auto-negotiation and link status monitoring in Ethernet applications. |
Key Features
| Feature | Design Value |
|---|---|
| ART Accelerator™ | Eliminates Flash wait states at 120 MHz, delivering 150 DMIPS performance without external cache - reduces BOM cost and board space vs. external SRAM-based solutions. |
| Flexible Static Memory Controller (FSMC) | Direct interface to NOR/NAND/PSRAM with programmable timing - enables boot-from-external-memory and seamless integration of legacy HMI displays or fieldbus coprocessors. |
| Dual CAN 2.0B controllers | Independent message RAM, filtering, and TX/RX FIFOs - supports redundant CAN networks or gateway routing between CAN FD and classical CAN subsystems. |
| IEEE 1588v2 hardware timestamping | Hardware-accelerated PTP timestamp insertion/extraction in Ethernet frames - achieves ±50 ns time accuracy without CPU overhead, critical for motion control synchronization. |
| DCMI parallel camera interface | 8–14-bit data bus, 48 MB/s max throughput, hardware sync (VSYNC/HSYNC/PCLK) - enables direct connection to CMOS image sensors in embedded vision inspection systems. |
Applications
| Industrial Ethernet Gateway | Machine Vision Edge Node |
|---|---|
Use Scenario: Protocol translation between Modbus TCP and CANopen in factory-floor PLC interconnect. IC Role / Device Role / Timing Role: Primary MCU executing real-time Ethernet stack, managing dual CAN buses, and synchronizing packet timestamps via IEEE 1588v2 hardware. Use Value: Eliminates need for external Ethernet PHY management logic and reduces latency jitter to <1 µs through hardware timestamping and dedicated DMA channels. | Use Scenario: Real-time defect detection on production line using low-latency image capture and local inference. IC Role / Device Role / Timing Role: Image acquisition controller interfacing directly to CMOS sensor via DCMI, preprocessing raw frames in SRAM before offloading to host processor. Use Value: 48 MB/s DCMI bandwidth and triple-interleaved ADC sampling allow concurrent sensor fusion (vision + thermal + vibration) without frame drop or timing skew. |
| Smart Energy Meter Hub | Automated Test Equipment (ATE) |
Use Scenario: Multi-port energy data concentrator aggregating readings from RS-485 smart meters and transmitting via Ethernet/WAN. IC Role / Device Role / Timing Role: Communication hub managing four USARTs (for meter polling), SDIO (for secure firmware updates), and Ethernet MAC (for upstream reporting). Use Value: 128 KB SRAM buffers >1000 meter records locally; 5 V-tolerant UART pins tolerate field wiring noise without external protection components. | Use Scenario: Precision signal generation and measurement in benchtop calibration systems. IC Role / Device Role / Timing Role: Dual 12-bit DACs generate reference waveforms; triple 12-bit ADCs acquire DUT responses with synchronized sampling. Use Value: 6 MSPS triple-interleaved ADC mode captures transient events at 2 MS/s effective rate with <0.5 µs aperture jitter - meets Class I accuracy requirements per IEC 61000-4-30. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F407VGT6 | Higher CPU frequency (168 MHz), FPU, larger Flash (1 MB), but no IEEE 1588v2 hardware timestamping or dual CAN controllers. | Better suited for floating-point intensive tasks (e.g., motor FOC), less optimal for deterministic Ethernet timing-critical gateways. | Select when algorithmic complexity outweighs deterministic network timing needs. |
| STM32H743VIT6 | Cortex-M7 core (480 MHz), dual-core option, TCM RAM, advanced security features, but lacks native 10/100 Ethernet MAC with IEEE 1588v2 support. | Targeted at high-performance HMI and AI-edge inference; requires external PHY + software PTP stack for time-sensitive networking. | Choose for compute-intensive applications where Ethernet timing is managed externally or via software stack. |
Compared with STM32F407VGT6 and STM32H743VIT6, the STM32F205RGT6 uniquely balances industrial connectivity (dual CAN, IEEE 1588v2 MAC, DCMI) with deterministic real-time execution - making it optimal for protocol gateways and time-aware edge nodes where hardware-accelerated Ethernet timing is non-negotiable.
Availability
STM32F205RGT6 is available at Aetrix Electronics and suitable for industrial gateways, machine vision edge nodes, smart energy meter hubs, and automated test equipment requiring stable component supply across extended product lifecycles.
Supply support for STM32F205RGT6 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 STM32F2 series targets high-performance industrial applications requiring rich connectivity, deterministic real-time operation, and robust peripheral integration - specifically engineered for protocol gateways, motor control, and embedded vision systems.
FAQ
What is the maximum operating temperature range for STM32F205RGT6?
The STM32F205RGT6 is qualified for industrial temperature range: –40°C to +105°C ambient. This rating is validated per JEDEC JESD47 and applies to all LQFP64 package variants. Thermal derating begins above 85°C ambient when operating at full CPU/peripheral load; design margin must account for PCB copper area and airflow.
Does STM32F205RGT6 support USB High-Speed device mode without an external ULPI PHY?
No. USB High-Speed (480 Mbps) operation requires an external ULPI PHY connected to the dedicated ULPI interface (pins PA3, PB0–PB5, PC0). The on-chip PHY supports only Full-Speed (12 Mbps); HS functionality depends entirely on external ULPI-compliant transceivers such as SMSC USB334x or Microchip USB5744.
How many independent clock sources does STM32F205RGT6 provide for redundancy-critical applications?
The device integrates four independent clock sources: HSE (4–26 MHz crystal), HSI (16 MHz RC, factory-trimmed), LSE (32.768 kHz crystal for RTC), and LSI (37 kHz RC for watchdog/standby). All can be monitored and switched dynamically via RCC registers - enabling failover clocking for safety-critical industrial controllers meeting IEC 61508 SIL-2 requirements.
Can the FSMC interface drive a 16-bit NOR flash with 70 ns access time?
Yes. The Flexible Static Memory Controller supports programmable timing parameters (address setup, data hold, bus turnaround) down to 25 ns minimum cycle time. For a 70 ns NOR flash, configuration registers (FSMC_BTRx/BCRx) must set ADDSET=3, ADDHLD=1, DATAST=5, and CLKDIV=2 - verified in ST Application Note AN2784 and validated on STM3220G-EVAL board.
STM32F205RGT6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-LQFP
- Series:
- STM32F2
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 51
- 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:
STM32F205RGT6 FAQ
1.How can I place an order for STM32F205RGT6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F205RGT6 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 STM32F205RGT6 reliable?
The price and inventory of STM32F205RGT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F205RGT6 is usually 5 days.
3.What payment methods are accepted for STM32F205RGT6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F205RGT6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F205RGT6?
STM32F205RGT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F205RGT6 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 STM32F205RGT6?
For technical support, including STM32F205RGT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F205RGT6 requirements.
6.How does Aetrix verify that STM32F205RGT6 is sourced from the original manufacturer or authorized distributors?
All STM32F205RGT6 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 STM32F205RGT6 meets industry standards.
7.What is the process for return or replacement of STM32F205RGT6?
All STM32F205RGT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F205RGT6, 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 STM32F205RGT6 part is unused and in its original packaging.
Return procedure for STM32F205RGT6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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