STMicroelectronics STM32F205VGT6

Overview

STM32F205VGT6 from STMicroelectronics is an Arm® Cortex®-M3 based 32-bit microcontroller with 1 MB Flash, 128 + 4 KB SRAM, and dual CAN 2.0B interfaces. It integrates USB 2.0 HS/FS OTG, 10/100 Ethernet MAC with IEEE 1588v2 support, and an 8–14-bit parallel camera interface (DCMI), targeting industrial connectivity and real-time vision edge nodes.

For engineers reviewing the STM32F205VGT6 datasheet, STM32F205VGT6 pinout, STM32F205VGT6 application, or STM32F205VGT6 equivalent, key selection criteria include its 120 MHz CPU with ART Accelerator™, triple 12-bit ADCs (6 MSPS in interleaved mode), 140 I/Os (138 5 V-tolerant), and hardware crypto acceleration via CRC unit and 96-bit unique ID.

Technical Context

The STM32F205VGT6 implements a tightly coupled Cortex-M3 core with MPU, Adaptive Real-Time Accelerator (ART) enabling zero-wait-state execution from Flash, and a multi-AHB bus matrix for concurrent peripheral access. Its memory subsystem includes flexible static memory controller (FSMC) supporting NAND/NOR/PSRAM and LCD parallel interface (8080/6800 modes).

Peripherals are organized across APB1 (low-speed: timers, I²C, CAN, RTC) and APB2 (high-speed: GPIO, USART, SPI, ADC) domains, with dedicated DMA channels for Ethernet, USB OTG HS, and DCMI. The dual USB controllers feature on-chip PHYs (FS) and ULPI interface (HS), while Ethernet supports MII/RMII with IEEE 1588v2 timestamping.

Key Specifications

Pinout & Package

LQFP100 package (14 × 14 mm body, 0.5 mm pitch, 100 leads), RoHS-compliant, with exposed thermal pad. Pinout validated per STMicroelectronics DS6329 Rev 18 Section 4 (Pinouts and pin description) and Table 8 (STM32F20x pin and ball definitions).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-connectivity MCU applications.

Compared with STM32F207VGT6, the STM32F205VGT6 offers identical package and peripheral count but omits PHY-level Ethernet timestamping; versus STM32H743VIT6, it trades raw performance for deterministic real-time I/O, DCMI, and dual CAN - making it optimal for vision-enabled industrial gateways requiring balanced compute and interface density.

Availability

STM32F205VGT6 is available at Aetrix Electronics and suitable for industrial PLC gateways, smart camera nodes, medical patient monitors, and energy meter communication hubs requiring stable component supply across extended product lifecycles.

Supply support for STM32F205VGT6 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-performance industrial and connectivity applications, emphasizing real-time determinism, rich peripheral integration (Ethernet, USB OTG, DCMI), and robust security primitives like unique ID and CRC acceleration.

FAQ

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

The STM32F205VGT6 achieves 120 MHz CPU operation using the internal PLL with HSE (4–26 MHz) or HSI (16 MHz) as source. The ART Accelerator™ eliminates Flash wait states, enabling deterministic 0-wait-state execution. System clocks are distributed via multi-AHB/APB bus matrix, with independent prescalers for each domain.

Does this MCU support external memory expansion, and what types are compatible?

Yes - the Flexible Static Memory Controller (FSMC) supports external NOR/NAND flash, PSRAM, SRAM, and LCD modules in 8080/6800 modes. It provides dedicated address/data buses, chip-select logic, and timing registers programmable down to 1-ns resolution for interfacing with legacy or high-speed memories.

How many communication interfaces does the STM32F205VGT6 support simultaneously?

It supports up to 15 concurrent communication interfaces: three I²C, four USART + two UART, three SPI (two with I²S mux), two CAN 2.0B, SDIO, USB OTG FS, and USB OTG HS. All share dedicated DMA channels, allowing full-duplex operation without CPU overhead - verified in DS6329 Table 2.

Is the LQFP100 package RoHS-compliant and what is its thermal resistance?

Yes - the LQFP100 package (ECOPACK®2) is RoHS- and REACH-compliant. Its typical junction-to-ambient thermal resistance (R_θJA) is 30 °C/W under standard JEDEC PCB conditions (2s2p layout), enabling reliable operation up to 85 °C ambient with appropriate copper pour and thermal vias.