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STMicroelectronics STM32F205ZGT6
- Part No.:
- STM32F205ZGT6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
STM32F205ZGT6.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:612
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Product details
Overview
STM32F205ZGT6 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 STM32F205ZGT6 datasheet, STM32F205ZGT6 pinout, STM32F205ZGT6 application, or STM32F205ZGT6 equivalent, key selection criteria include Ethernet MAC + IEEE 1588v2 hardware timestamping capability, dual-CAN bus arbitration support, and parallel camera interface (DCMI) bandwidth up to 48 MB/s for machine vision edge preprocessing.
Technical Context
The device integrates an Adaptive Real-time Accelerator (ART Accelerator™) enabling zero-wait-state execution from Flash memory at 120 MHz, coupled with a Memory Protection Unit (MPU) for secure task isolation in RTOS environments. Its multi-AHB bus matrix supports concurrent access to Flash, SRAM, and peripherals including Ethernet DMA and USB OTG HS DMA.
It implements dual USB PHYs - one full-speed on-chip PHY for OTG_FS and one dedicated high-speed PHY with ULPI interface for OTG_HS - alongside a 10/100 Ethernet MAC with MII/RMII support and hardware-accelerated IEEE 1588v2 timestamping for precision time synchronization in industrial automation networks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 @ 120 MHz max; delivers 150 DMIPS with ART Accelerator enabling deterministic real-time code execution from Flash. |
| Flash / RAM | 1 MB Flash + 512 B OTP; 128 KB + 4 KB SRAM - sufficient for dual-protocol stacks (Ethernet + CAN) plus application firmware. |
| Ethernet Interface | 10/100 MAC with dedicated DMA and IEEE 1588v2 hardware timestamping - enables sub-microsecond PTP clock synchronization without CPU overhead. |
| USB Support | OTG_FS (on-chip FS PHY) + OTG_HS (dedicated HS PHY + ULPI) - allows simultaneous host/device roles with high-bandwidth peripheral attachment. |
| Camera Interface | 8–14-bit parallel DCMI supporting up to 48 MB/s - enables direct CMOS sensor streaming for embedded vision preprocessing. |
| ADC/DAC | Three 12-bit ADCs (up to 6 MSPS in triple interleaved mode); two 12-bit DACs - suitable for analog I/O monitoring and control loop feedback generation. |
| Timers | Up to 17 timers including two 32-bit general-purpose timers and advanced-control timers (TIM1/TIM8) with quadrature encoder input - supports motor control and precise PWM generation. |
| I/O Count | 140 GPIOs with interrupt capability; up to 138 5 V-tolerant pins - simplifies interfacing with legacy industrial sensors and actuators. |
Pinout & Package
LQFP144 (20 × 20 mm) package with exposed thermal pad; 144-pin quad flat pack optimized for industrial PCB layouts requiring EMI resilience and thermal management.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD/VSS | Power supply / Ground | Dual 1.8–3.6 V core/I/O rails; separate VCAP1/VCAP2 pins require external 2.2 µF ceramic capacitors for regulator stability. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 140 total GPIOs; most support 5 V tolerance, multiple alternate functions (SPI/I2C/USART), and external interrupt capability. |
| PH0/PH1 | HSE oscillator input/output | Connects to 4–26 MHz crystal; essential for Ethernet MAC clock derivation and USB HS PLL reference. |
| PA12/PA11 | USB OTG_FS D+/D− | Full-speed USB differential pair with integrated transceivers - no external PHY required for FS operation. |
| PA13/PA14/PA15 | SWD debug interface | Serial Wire Debug (SWD) port for programming and real-time trace; minimal 3-pin footprint vs JTAG. |
| PC11–PC15, PD0–PD7 | DCMI data bus | 8–14-bit parallel camera interface pins supporting 48 MB/s throughput; synchronous capture with HSYNC/VSYNC/PIXCLK. |
| PG13–PG15, PH8–PH15 | Ethernet MII/RMII | MII mode uses 19 pins (TX/RX clocks, data, control); RMII reduces to 7 pins - trade-off between timing margin and pin count. |
| PB8/PB9 | CAN1_RX/CAN1_TX | Dual CAN 2.0B interfaces (CAN1/CAN2) with independent message RAM and filtering - supports redundant fieldbus communication. |
Key Features
| Feature | Design Value |
|---|---|
| ART Accelerator™ | Enables 0-wait-state Flash execution at 120 MHz - eliminates instruction fetch stalls and guarantees deterministic interrupt latency. |
| IEEE 1588v2 Hardware Timestamping | Embedded timestamp engine in Ethernet MAC captures PTP event packet timestamps with nanosecond resolution - offloads CPU and improves time sync accuracy. |
| Dual USB PHY Architecture | Separate on-chip FS PHY and external HS PHY (via ULPI) allow concurrent USB device/host operation with independent bandwidth allocation. |
| Flexible Static Memory Controller (FSMC) | Supports NOR/NAND/PSRAM/CompactFlash - enables expansion of external program memory or high-speed data logging buffers. |
| Backup Domain Resources | RTC with 32 kHz oscillator, 20 × 32-bit backup registers, and optional 4 KB backup SRAM - retains critical state during main power loss. |
| Low-Power Modes | Sleep/Stop/Standby modes with VBAT-supplied RTC - achieves <1 µA standby current while maintaining real-time scheduling and wake-on-event capability. |
Applications
| Industrial Ethernet Gateway | Automated Optical Inspection (AOI) |
|---|---|
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 hardware timestamping for synchronized I/O scanning. Use Value: IEEE 1588v2 hardware timestamping ensures sub-1 µs clock alignment across distributed I/O modules without software intervention. | Use Scenario: Real-time PCB defect detection using high-frame-rate CMOS image sensors on SMT lines. IC Role / Device Role / Timing Role: Vision processor handling raw pixel ingestion via DCMI, preprocessing with on-chip timers and DMA, and triggering PLC I/O over CAN. Use Value: 48 MB/s DCMI bandwidth and triple-interleaved ADC enable simultaneous image capture and analog sensor monitoring without frame drop. |
| Smart Energy Meter Hub | Multi-Protocol Building Controller |
Use Scenario: Aggregation of pulse outputs, RS-485 metering data, and wireless sub-GHz telemetry into a unified IPv6 backbone. IC Role / Device Role / Timing Role: Secure application host running FreeRTOS with cryptographic acceleration, managing isolated CAN, UART, and Ethernet stacks. Use Value: MPU-enforced memory partitioning prevents firmware corruption from misbehaving protocol stacks during long-term field deployment. | Use Scenario: HVAC control panel integrating BACnet MS/TP, KNX, and LonWorks over shared physical layers. IC Role / Device Role / Timing Role: Multi-interface coordinator using flexible alternate function mapping to route UART, SPI, and I2C signals across shared pin groups. Use Value: 15 communication interfaces and 140 GPIOs allow concurrent wired/wireless protocol coexistence without external bridge ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance ARM Cortex-M3 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F407VGT6 | Higher clock (168 MHz), FPU, larger Flash (1 MB), but lacks IEEE 1588v2 hardware timestamping and has only single CAN. | Better for floating-point math (motor control), weaker for deterministic industrial networking. | Select when computational throughput outweighs precision time synchronization requirements. |
| STM32F207ZGT6 | Identical package and pinout; adds USB HS PHY with ULPI and enhanced Ethernet features including hardware checksum offload. | Direct upgrade path for designs needing higher USB bandwidth or reduced Ethernet CPU load. | Choose for new designs requiring full USB HS host capability or Ethernet checksum acceleration. |
Compared with STM32F205ZGT6, STM32F407VGT6 trades industrial networking precision for raw compute performance, while STM32F207ZGT6 extends its core strengths with enhanced USB HS and Ethernet offload - making it the preferred migration for time-critical gateway upgrades.
Availability
STM32F205ZGT6 is available at Aetrix Electronics and suitable for industrial gateways, automated optical inspection systems, smart energy meter hubs, and multi-protocol building controllers requiring stable component supply across extended product lifecycles.
Supply support for STM32F205ZGT6 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 components for industrial, automotive, and consumer markets.
The STM32F2 series targets high-performance embedded applications demanding rich connectivity, real-time determinism, and industrial-grade reliability - specifically engineered for protocol-aware edge nodes in Industry 4.0 infrastructure.
FAQ
What is the maximum operating frequency and how is it achieved?
The STM32F205ZGT6 operates at up to 120 MHz using its Arm Cortex-M3 core, enabled by the Adaptive Real-time Accelerator (ART Accelerator™). This logic block prefetches and caches instructions from Flash memory, eliminating wait states and delivering sustained 150 DMIPS performance without requiring external RAM for code execution.
Does this MCU support hardware-accelerated IEEE 1588v2 timestamping?
Yes - the integrated 10/100 Ethernet MAC includes dedicated hardware timestamping logic compliant with IEEE 1588v2. It captures precise transmit/receive timestamps for PTP event messages with nanosecond resolution, independent of CPU load, enabling sub-microsecond clock synchronization in industrial automation networks.
What camera interface capabilities does the STM32F205ZGT6 provide?
The device features an 8–14-bit parallel Digital Camera Interface (DCMI) supporting up to 48 MB/s data throughput. It accepts HSYNC/VSYNC/PIXCLK signals and provides programmable data capture windows, enabling direct connection to CMOS image sensors for real-time machine vision preprocessing without external frame buffers.
How many communication interfaces are supported and which are hardware-accelerated?
The MCU supports up to 15 communication interfaces: 3× I²C, 4× USART + 2× UART, 3× SPI (2 with I²S mux), 2× CAN 2.0B, SDIO, USB OTG_FS, and USB OTG_HS. Hardware acceleration is provided for Ethernet (checksum offload, IEEE 1588v2 timestamping), USB (dedicated DMA channels), and DCMI (DMA-linked frame capture).
STM32F205ZGT6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 144-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:
- 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:
STM32F205ZGT6 FAQ
1.How can I place an order for STM32F205ZGT6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F205ZGT6 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 STM32F205ZGT6 reliable?
The price and inventory of STM32F205ZGT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F205ZGT6 is usually 5 days.
3.What payment methods are accepted for STM32F205ZGT6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F205ZGT6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F205ZGT6?
STM32F205ZGT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F205ZGT6 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 STM32F205ZGT6?
For technical support, including STM32F205ZGT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F205ZGT6 requirements.
6.How does Aetrix verify that STM32F205ZGT6 is sourced from the original manufacturer or authorized distributors?
All STM32F205ZGT6 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 STM32F205ZGT6 meets industry standards.
7.What is the process for return or replacement of STM32F205ZGT6?
All STM32F205ZGT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F205ZGT6, 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 STM32F205ZGT6 part is unused and in its original packaging.
Return procedure for STM32F205ZGT6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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