STMicroelectronics STM32F205ZGT6W
- Part No.:
- STM32F205ZGT6W
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
STM32F205ZGT6W.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 144LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
STM32F205ZGT6W 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, USB OTG HS/FS with dedicated DMA, and 10/100 Ethernet MAC with IEEE 1588v2 hardware support. It targets industrial connectivity gateways requiring real-time protocol stacking, deterministic Ethernet timing, and multi-interface coexistence.
For engineers reviewing the STM32F205ZGT6W datasheet, STM32F205ZGT6W pinout, STM32F205ZGT6W application, or STM32F205ZGT6W equivalent, key selection criteria include Ethernet MAC + USB HS co-sourcing capability, 140 I/O count with 5 V tolerance, ART Accelerator™-enabled zero-wait-state Flash execution, and dual-CAN plus SDIO for fieldbus-to-cloud bridging in IIoT edge nodes.
Technical Context
The device integrates a multi-AHB bus matrix enabling concurrent access to Flash, SRAM, and peripherals without arbitration stalls. Its ART Accelerator™ uses instruction prefetch and branch cache to eliminate Flash wait states at 120 MHz, delivering 150 DMIPS (1.25 DMIPS/MHz) performance.
It features two independent USB controllers: full-speed OTG_FS with on-chip PHY and high-speed OTG_HS with ULPI interface and dedicated DMA channel. The Ethernet MAC includes MII/RMII physical layer support, hardware timestamping, and IEEE 1588v2 precision time protocol acceleration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 @ 120 MHz max; enables deterministic real-time control with NVIC priority grouping and tail-chaining interrupt handling. |
| Flash Memory | 1 MB embedded Flash with ART Accelerator™; supports zero-wait-state execution and 10k write/erase cycles per sector. |
| SRAM | 128 KB main SRAM + 4 KB core-coupled SRAM; allows critical buffers and stack isolation for safety-critical tasks. |
| Connectivity | Dual CAN 2.0B, USB 2.0 HS/FS OTG, 10/100 Ethernet MAC; enables simultaneous fieldbus, local host, and cloud uplink in single-chip gateways. |
| Analog Peripherals | Three 12-bit ADCs (up to 6 MSPS triple interleaved), two 12-bit DACs; supports sensor fusion and analog actuator control in closed-loop systems. |
| I/O Capability | Up to 140 I/Os, 138 of which are 5 V-tolerant; simplifies level-shifting in mixed-voltage industrial backplanes and legacy interface integration. |
| Timing & Clock | 4–26 MHz external crystal oscillator, 32 kHz RTC oscillator with calibration, audio PLL (PLLI2S); supports precise time synchronization and audio-class clock generation. |
Pinout & Package
LQFP144 (20 × 20 mm) package with 144-pin quad flat lead frame; RoHS-compliant, moisture sensitivity level 3 (MSL3), rated for industrial temperature range (–40°C to +105°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDIO2 | Power supply inputs | Separate analog (VDDA), digital core (VDD), and I/O (VDDIO2) rails enable noise isolation for ADC/DAC and robust 5 V-tolerant I/O operation. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O ports | 140 total GPIOs with interrupt capability; most support multiple alternate functions including Ethernet MII/RMII, USB OTG, and DCMI camera interface. |
| PH0/PH1 | HSE oscillator inputs | 4–26 MHz external crystal connection; required for high-accuracy system clock and USB/Ethernet timing compliance. |
| PC11–PC12, PD0–PD7 | Ethernet MAC interface | MII/RMII signals (TXD0–TXD3, RXD0–RXD3, TX_EN, CRS_DV, REF_CLK); direct connection to PHY without external logic. |
| PA11/PA12, PB14/PB15 | USB OTG FS/HS physical layer | Full-speed D+/D− (PA11/PA12) and high-speed ULPI data/control (PB14–PB15); enables dual-mode USB host/device operation. |
| PD0–PD13 | DCMI parallel camera interface | 8–14-bit data bus (D0–D13), VSYNC/HSYNC/PCLK; supports up to 48 MB/s image capture for machine vision preprocessing. |
Key Features
| Feature | Design Value |
|---|---|
| ART Accelerator™ | Eliminates Flash wait states at 120 MHz, enabling deterministic code execution critical for real-time Ethernet and CAN protocol stacks. |
| Flexible Static Memory Controller (FSMC) | Supports NOR/NAND/PSRAM/CompactFlash with programmable timing; enables direct attachment of external displays, FPGA co-processors, or legacy memory modules. |
| IEEE 1588v2 Hardware Timestamping | Sub-microsecond packet timestamping in Ethernet MAC; essential for time-sensitive networking (TSN) and synchronized motion control in industrial automation. |
| Dual CAN 2.0B Interfaces | Independent CAN FD-capable controllers (software-compatible); allows simultaneous J1939 vehicle network and CANopen factory floor communication. |
| 96-bit Unique ID | Factory-programmed serial number; used for secure device authentication, license binding, and firmware anti-cloning in OEM deployments. |
Applications
| Industrial Ethernet Gateway | Multi-Protocol Fieldbus Bridge |
|---|---|
Use Scenario: Edge gateway aggregating Modbus RTU, CANopen, and Profibus DP traffic into MQTT/HTTP over Ethernet/Wi-Fi. IC Role / Device Role / Timing Role: Central protocol translation engine with real-time scheduling, Ethernet MAC timestamping, and dual-CAN peripheral management. Use Value: Single-chip solution eliminates external bridge ICs and reduces BOM cost by 32% while maintaining sub-100 µs inter-protocol latency. | Use Scenario: Retrofit module converting legacy RS-485 field devices to IP-based monitoring via cellular backhaul. IC Role / Device Role / Timing Role: Dual-CAN + USB OTG HS host managing CAN node diagnostics and firmware updates over USB mass storage class. Use Value: Enables field-upgradable firmware and live CAN bus analysis without requiring PC tethering or separate debug probes. |
| Smart Camera Node | Energy Management Controller |
Use Scenario: Low-power vision sensor capturing thermal or IR images for predictive maintenance in HVAC or manufacturing lines. IC Role / Device Role / Timing Role: DCMI camera interface controller with on-chip JPEG encoding acceleration and Ethernet-triggered image upload. Use Value: 48 MB/s parallel interface + hardware CRC unit reduces image transfer overhead by 40% versus SPI-based sensors. | Use Scenario: DIN-rail mounted energy meter with harmonic analysis, power quality logging, and remote firmware update via Ethernet. IC Role / Device Role / Timing Role: High-precision ADC subsystem (3× 12-bit, 6 MSPS triple interleaved) sampling voltage/current simultaneously with RTC-synchronized timestamps. Use Value: Enables Class 0.5 accuracy per IEC 62053-22 using internal ADCs-no external sigma-delta converter required. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F207ZGT6 | Same package and pinout; adds Ethernet PHY interface (MII only, no RMII) and enhanced USB OTG HS features. | Targeted at designs requiring integrated Ethernet PHY driver support and higher USB HS throughput. | Select when Ethernet PHY integration or USB HS streaming bandwidth > 200 Mbps is required; otherwise STM32F205ZGT6W offers identical MCU functionality at lower cost. |
| STM32H743ZIT6 | Arm Cortex-M7 core @ 480 MHz, dual-core option, 2 MB Flash, 1 MB RAM; lacks native CAN 2.0B but adds CAN FD. | Suited for AI-edge inference or high-throughput video processing where M7 performance outweighs CAN 2.0B compatibility. | Choose for next-generation designs needing >2× CPU performance and future-proof CAN FD, accepting higher power and software migration effort. |
Compared with STM32F207ZGT6, the STM32F205ZGT6W omits Ethernet PHY drivers but retains full MAC+DMA capability and RMII support-ideal for discrete PHY designs. Versus STM32H743ZIT6, it trades raw compute for proven CAN 2.0B interoperability and lower power in deterministic industrial protocols.
Availability
STM32F205ZGT6W is available at Aetrix Electronics and suitable for industrial Ethernet gateways, multi-protocol fieldbus bridges, and smart camera nodes requiring stable component supply across extended product lifecycles.
Supply support for STM32F205ZGT6W 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.
The STM32F2 series targets high-performance industrial connectivity applications, emphasizing real-time Ethernet, USB OTG, and multi-interface coexistence with deterministic timing and robust I/O for harsh environments.
FAQ
What is the maximum operating frequency and how is it achieved?
The STM32F205ZGT6W achieves 120 MHz maximum CPU frequency using its Adaptive Real-Time Accelerator (ART Accelerator™), which implements instruction prefetch and branch prediction to eliminate Flash memory wait states. This enables sustained 150 DMIPS performance with zero-wait-state execution from internal Flash, verified under industrial temperature conditions (–40°C to +105°C) and 3.3 V supply.
Does this MCU support IEEE 1588 Precision Time Protocol?
Yes, the integrated 10/100 Ethernet MAC includes hardware timestamping compliant with IEEE 1588v2, supporting sub-microsecond packet timestamping on both transmit and receive paths. This enables accurate time synchronization for TSN applications without external timestamping ICs or software-only PTP stacks.
What are the key differences between STM32F205ZGT6W and STM32F207ZGT6?
The STM32F205ZGT6W and STM32F207ZGT6 share identical pinout, package, Flash/SRAM size, and peripheral set except that the F207 variant adds an Ethernet PHY interface (supporting MII only) and enhanced USB OTG HS features. The F205 variant retains full Ethernet MAC+DMA and RMII capability-making it optimal for discrete PHY designs where cost and flexibility are prioritized.
Can the DCMI interface support MIPI CSI-2 cameras?
No, the DCMI interface is an 8–14-bit parallel synchronous interface supporting CMOS/CCD sensors with VSYNC/HSYNC/PCLK signaling-not MIPI CSI-2. It operates at up to 48 MB/s with hardware cropping and clipping, but requires external bridge ICs (e.g., TC358743) for MIPI CSI-2 conversion. Native MIPI support begins with STM32H7-series MCUs.
STM32F205ZGT6W Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 144-LQFP
- 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, I2C, IrDA, LINbus, MMC, SPI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
- Number of I/O:
- 114
- 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 24x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F205ZGT6W FAQ
1.How can I place an order for STM32F205ZGT6W through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F205ZGT6W 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 STM32F205ZGT6W reliable?
The price and inventory of STM32F205ZGT6W are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F205ZGT6W is usually 5 days.
3.What payment methods are accepted for STM32F205ZGT6W?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F205ZGT6W transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F205ZGT6W?
STM32F205ZGT6W orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F205ZGT6W 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 STM32F205ZGT6W?
For technical support, including STM32F205ZGT6W datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F205ZGT6W requirements.
6.How does Aetrix verify that STM32F205ZGT6W is sourced from the original manufacturer or authorized distributors?
All STM32F205ZGT6W 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 STM32F205ZGT6W meets industry standards.
7.What is the process for return or replacement of STM32F205ZGT6W?
All STM32F205ZGT6W units undergo pre-shipment inspection (PSI). If there is an issue with STM32F205ZGT6W, 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 STM32F205ZGT6W part is unused and in its original packaging.
Return procedure for STM32F205ZGT6W:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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