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

STMicroelectronics STM32F205ZGT6TR

Name: STM32F205ZGT6TR
Brand: STMicroelectronics
SKU: STM32F205ZGT6TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32F205ZGT6TR

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: 144-LQFP

Datasheet:: STM32F205ZGT6TR.pdf

Description:: IC MCU 32BIT 1MB FLASH 144LQFP

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Product details

Overview

STM32F205ZGT6TR from STMicroelectronics is a 32-bit Arm® Cortex®-M3 microcontroller with 1 MB Flash, 128 + 4 KB SRAM, dual CAN 2.0B interfaces, 10/100 Ethernet MAC with IEEE 1588v2 hardware support, and USB 2.0 HS/FS OTG controllers - deployed in industrial gateways requiring deterministic real-time control, secure connectivity, and multi-protocol fieldbus integration.

For engineers reviewing the STM32F205ZGT6TR datasheet, STM32F205ZGT6TR pinout, STM32F205ZGT6TR application, or STM32F205ZGT6TR equivalent, key selection criteria include Ethernet MAC timing compliance, dual-CAN bus arbitration latency, DCMI camera interface throughput (up to 48 MB/s), ART Accelerator™-enabled zero-wait-state Flash execution at 120 MHz, and VBAT-backed RTC with 20 × 32-bit registers.

Technical Context

The device integrates a single-core Cortex-M3 CPU with MPU, Adaptive Real-Time (ART) Accelerator™ for deterministic Flash execution, and a multi-AHB bus matrix enabling concurrent access to Flash, SRAM, FSMC, and peripherals. It supports boot from system memory, embedded Flash, or SRAM via BOOT pins.

Its clock system includes dual PLLs (main PLL and audio PLLI2S), three oscillators (HSE 4–26 MHz, HSI 16 MHz, LSE 32.768 kHz), and programmable prescalers - enabling independent clock domains for Ethernet (50 MHz), USB HS (480 MHz), and audio I2S (up to 192 kHz).

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm Cortex-M3 @ 120 MHz max; delivers 150 DMIPS with ART Accelerator™ enabling zero-wait-state execution from Flash - critical for real-time deterministic firmware.
Memory	1 MB Flash (erase/program in 2.5 ms per 2-KB sector); 128 KB + 4 KB SRAM; 512 B OTP - supports secure bootloader storage and runtime data partitioning.
Connectivity	Dual CAN 2.0B controllers with dedicated TX/RX FIFOs; 10/100 Ethernet MAC with MII/RMII and IEEE 1588v2 timestamping - enables time-synchronized industrial networking.
Analog Peripherals	Three 12-bit ADCs (up to 24 channels, 6 MSPS triple interleaved); two 12-bit DACs - suitable for closed-loop motor control with simultaneous current/voltage sensing.
High-Speed Interfaces	USB 2.0 HS/FS OTG with dedicated DMA and ULPI; 8–14-bit parallel DCMI (48 MB/s max); SDIO - supports high-bandwidth peripheral bridging and image capture.
Power Management	1.8–3.6 V supply; Sleep/Stop/Standby modes; VBAT-powered RTC with 20 × 32-bit backup registers and optional 4 KB backup SRAM - ensures persistent timekeeping and state retention.
Package & Pin Count	LQFP144 (20 × 20 mm); 140 I/Os (138 5 V-tolerant, 136 up to 60 MHz) - provides robust signal routing for mixed-signal industrial PCB layouts.

Pinout & Package

LQFP144 package (20 × 20 mm, 0.5 mm pitch) with exposed thermal pad; 144-pin quad flat pack optimized for thermal dissipation and manual rework in industrial control modules.

Pin/Terminal	Circuit Role	Design Meaning
VDD/VSS	Core & I/O power/ground	Dual-supply domain: VDD (1.8–3.6 V) powers core/SRAM; VDDIO supplies I/Os - allows level-shifting between internal logic and 5 V-tolerant peripherals.
PA0–PA15, PB0–PB15, etc.	General-purpose I/O	140 total GPIOs; 138 support 5 V tolerance; up to 60 MHz toggle rate - enables direct interfacing with legacy industrial sensors and actuators.
PH13–PH15, PI0–PI10	DCMI data/control	12-bit parallel camera interface (D0–D11, HSYNC, VSYNC, PIXCLK) - supports real-time machine vision preprocessing without external frame buffer.
PA12/PA11, PB12–PB15	USB HS ULPI	ULPI interface (DATA0–DATA7, CLK, DIR, NXT, STP) - offloads USB HS PHY timing from MCU core, reducing interrupt latency in host/device mode.
PC1–PC4, PG11–PG14	Ethernet MII	MII signals (TXD0–TXD3, RXD0–RXD3, TX_EN, RX_DV, CRS, COL, REF_CLK) - enables full-duplex 100 Mbps operation with hardware timestamping for TSN-ready designs.

Key Features

Feature	Design Value
ART Accelerator™	Eliminates Flash wait states at 120 MHz, enabling deterministic ISR response ≤12 cycles - essential for servo loop timing below 50 µs.
Flexible Static Memory Controller (FSMC)	Supports NOR, PSRAM, NAND, and CompactFlash with configurable timing - allows direct attachment of external display buffers or FPGA co-processors.
IEEE 1588v2 Hardware Timestamping	Dedicated timestamp registers and PTP event detection on Ethernet MAC - enables sub-microsecond time synchronization in distributed PLC systems.
Dual CAN 2.0B with TTCAN-ready registers	Independent message RAM, Tx/Rx FIFOs, and programmable bit timing - supports redundant fieldbus communication and gateway bridging between CAN FD and legacy CAN networks.
CRC Calculation Unit	Hardware-accelerated CRC-32 (IEEE 802.3) over arbitrary memory blocks - reduces firmware overhead for firmware integrity checks and communication packet validation.

Applications

Industrial Ethernet Gateway

Multi-Protocol Fieldbus Controller

Use Scenario: Aggregating Modbus RTU, CANopen, and EtherNet/IP traffic into a unified OPC UA server running on Linux-based edge compute.

IC Role / Device Role / Timing Role: Real-time protocol translation engine with hardware-accelerated Ethernet MAC and dual CAN controllers handling concurrent bus arbitration and frame filtering.

Use Value: IEEE 1588v2 timestamping enables synchronized sampling across distributed I/O nodes; FSMC interface connects to external FPGA for custom protocol offload.

Use Scenario: Standalone controller managing hydraulic valve sequencing, pressure feedback, and safety interlocks in mobile machinery.

IC Role / Device Role / Timing Role: Deterministic real-time executor using ART Accelerator™-enabled Flash execution and nested vectored interrupts for <50 µs jitter-critical PWM updates.

Use Value: Triple 12-bit ADCs sample current/voltage/temperature simultaneously; 4 KB backup SRAM retains calibration data during brownout events.

Smart Camera Module

Secure IoT Edge Node

Use Scenario: Embedded vision system capturing 720p@30fps video for on-device object detection using lightweight CNN inference.

IC Role / Device Role / Timing Role: Parallel DCMI interface streams raw Bayer data directly to SRAM; USB HS OTG transfers processed frames to host PC without external DRAM.

Use Value: 48 MB/s DCMI bandwidth sustains full-resolution capture; dual USB controllers enable simultaneous device-mode firmware update and host-mode data export.

Use Scenario: Cellular-connected sensor hub collecting environmental data, performing local anomaly detection, and signing telemetry with ECDSA before transmission.

IC Role / Device Role / Timing Role: Secure execution environment leveraging MPU-enforced memory isolation, hardware RNG for key generation, and CRC unit for firmware signature verification.

Use Value: 96-bit unique ID enables device identity binding; VBAT-backed RTC maintains accurate timestamps for signed log entries during power loss.

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
STM32F207ZGT6	Same package, identical peripherals, but adds Ethernet PHY interface (MII only, no RMII) and removes USB FS-only PHY - no integrated FS PHY unlike F205.	Requires external Ethernet PHY for RMII; lacks integrated USB FS transceiver - increases BOM cost and board area for USB-dependent designs.	Select when Ethernet PHY integration is unnecessary and external PHY flexibility is preferred; avoid if USB FS device functionality is required without external transceiver.
STM32F407VGT6	Cortex-M4F core (168 MHz), FPU, enhanced DSP instructions, 1 MB Flash, same LQFP100/LQFP144 packages - but no IEEE 1588v2 hardware or dual CAN with message RAM.	Lacks hardware timestamping and dedicated CAN message RAM - unsuitable for time-critical TSN or high-throughput CAN gateway use cases.	Choose for floating-point-intensive algorithms (e.g., motor FOC, FFT-based vibration analysis); not recommended for IEEE 1588 or dual-CAN industrial gateways.

Compared with STM32F207ZGT6, the STM32F205ZGT6TR offers integrated USB FS PHY and superior CAN message buffering; versus STM32F407VGT6, it trades FPU capability for deterministic Ethernet timestamping and dual-CAN arbitration latency - making it optimal for time-sensitive industrial networking rather than compute-heavy signal processing.

Availability

STM32F205ZGT6TR is available at Aetrix Electronics and suitable for industrial gateways, multi-protocol fieldbus controllers, smart camera modules, and secure IoT edge nodes requiring stable component supply across extended product lifecycles.

Supply support for STM32F205ZGT6TR 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-grade components since 1987.

The STM32F2 series targets high-end industrial and networking applications requiring real-time determinism, rich connectivity (Ethernet/CAN/USB), and robust security features - built on the Cortex-M3 foundation with hardware acceleration for time-critical tasks.

FAQ

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

The STM32F205ZGT6TR achieves 120 MHz maximum CPU frequency using the internal HSI or external HSE oscillator fed into the main PLL. The ART Accelerator™ eliminates Flash wait states at this speed, enabling true zero-wait-state execution - confirmed by Dhrystone 2.1 benchmarking at 150 DMIPS (1.25 DMIPS/MHz).

Does this MCU support IEEE 1588 Precision Time Protocol (PTP)?

Yes - the integrated 10/100 Ethernet MAC includes full IEEE 1588v2 hardware timestamping with dedicated registers for transmit/receive packet timestamping, fine-grained correction, and event detection. This enables sub-microsecond synchronization accuracy in industrial TSN deployments without software timestamping overhead.

How many CAN interfaces does the STM32F205ZGT6TR have, and what version do they support?

The STM32F205ZGT6TR integrates two fully independent CAN 2.0B controllers, each supporting both standard (11-bit) and extended (29-bit) identifiers, programmable bit timing, and dedicated message RAM with Tx/Rx FIFOs - enabling concurrent CAN bus monitoring and gateway bridging in automotive and industrial applications.

Is there hardware support for USB High-Speed device/host/OTG operation?

Yes - the MCU includes a dedicated USB 2.0 HS/FS OTG controller with on-chip full-speed PHY, ULPI interface for external HS PHY connection, and dedicated DMA channel. This enables simultaneous HS host/device operation with hardware descriptor handling and low-latency interrupt response - verified in ST's UM1024 reference design.

STM32F205ZGT6TR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 144-LQFP

Series:: STM32F2

Packaging:: Tape & Reel (TR)

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:

STM32F205ZGT6TR FAQ

1.How can I place an order for STM32F205ZGT6TR through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32F205ZGT6TR 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 STM32F205ZGT6TR reliable?

The price and inventory of STM32F205ZGT6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F205ZGT6TR is usually 5 days.

3.What payment methods are accepted for STM32F205ZGT6TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F205ZGT6TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32F205ZGT6TR?

STM32F205ZGT6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32F205ZGT6TR 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 STM32F205ZGT6TR?

For technical support, including STM32F205ZGT6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F205ZGT6TR requirements.

6.How does Aetrix verify that STM32F205ZGT6TR is sourced from the original manufacturer or authorized distributors?

All STM32F205ZGT6TR 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 STM32F205ZGT6TR meets industry standards.

7.What is the process for return or replacement of STM32F205ZGT6TR?

All STM32F205ZGT6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32F205ZGT6TR, 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 STM32F205ZGT6TR part is unused and in its original packaging.

Return procedure for STM32F205ZGT6TR:

1.Submit a request within 90 days.

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

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