STMicroelectronics STM32F217VGT7

Overview

STM32F217VGT7 from STMicroelectronics is a high-performance ARM Cortex-M3 microcontroller designed for industrial connectivity and embedded vision applications. It integrates 1 MB Flash, 128 + 4 KB SRAM, dual USB OTG (FS/HS), 10/100 Ethernet MAC with IEEE 1588 support, 8–14-bit parallel camera interface (DCMI), and hardware crypto acceleration (AES-128/192/256, SHA-1, MD5). Used in networked industrial gateways requiring real-time protocol handling and image acquisition.

For engineers reviewing the STM32F217VGT7 datasheet, STM32F217VGT7 pinout, STM32F217VGT7 application, or STM32F217VGT7 equivalent, key selection considerations include Ethernet MAC timing compliance, DCMI pixel clock synchronization at up to 48 MB/s, USB HS ULPI interface readiness, ART Accelerator™-enabled zero-wait-state Flash execution, and cryptographic peripheral availability for secure firmware updates.

Technical Context

The STM32F217VGT7 implements a 32-bit ARM Cortex-M3 core running at up to 120 MHz with Adaptive Real-Time Accelerator (ART Accelerator™) enabling deterministic 0-wait-state execution from Flash memory. Its multi-AHB bus matrix supports concurrent access to Flash, SRAM, and peripherals including Ethernet DMA and DCMI.

It features dual USB controllers - one full-speed OTG with on-chip PHY, and one high-speed/full-speed OTG with dedicated DMA and ULPI interface - alongside a 10/100 Ethernet MAC supporting MII/RMII and IEEE 1588v2 hardware timestamping. The 8–14-bit parallel camera interface operates synchronously with up to 48 MB/s throughput and supports embedded sync signals (VSYNC, HSYNC, PIXCLK).

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm, 0.5 mm pitch) package with 100 leads; thermally enhanced for sustained 120 MHz operation and Ethernet/USB HS signal integrity. Pin count and layout optimized for RMII, ULPI, and DCMI routing with controlled impedance trace support.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F217VGT7, STM32F427VIT6 trades crypto and IEEE 1588v2 hardware for FPU and higher clock speed, while STM32H743VIT6 upgrades processing and security but abandons parallel DCMI - making the F217 uniquely suited for cost-sensitive, parallel-sensor industrial vision with deterministic networking.

Availability

STM32F217VGT7 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, embedded vision nodes, secure IoT edge controllers, and multi-protocol field devices requiring stable component supply and long-term production support.

Supply support for STM32F217VGT7 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, specializing in microcontrollers, power management, sensors, and automotive ICs with strong industrial and embedded market focus.

The STM32F2 series targets high-end industrial connectivity applications, emphasizing integrated Ethernet, USB OTG, crypto, and imaging interfaces - designed specifically for deterministic real-time control with rich peripheral co-processing.

FAQ

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

The STM32F217VGT7 achieves 120 MHz maximum CPU frequency using its 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. Voltage must be ≥2.7 V for full 120 MHz operation per datasheet Section 6.3.1.

Does this MCU support IEEE 1588 Precision Time Protocol in hardware?

Yes - the integrated 10/100 Ethernet MAC includes dedicated IEEE 1588v2 hardware timestamping logic with sub-microsecond resolution. It supports PTP event message detection, fine-grained timestamp registers, and hardware correction for ingress/egress delays, as specified in Section 3.26 of the datasheet.

Can the DCMI interface capture raw image data without CPU intervention?

Yes - the DCMI supports autonomous capture via DMA to SRAM or external memory through FSMC. Frame start/end interrupts and embedded VSYNC/HSYNC/PIXCLK synchronization allow zero-CPU-overhead streaming at up to 48 MB/s, confirmed in Section 3.31 and Table 6.3.26.

Is the ULPI interface compatible with standard USB 2.0 high-speed PHYs?

Yes - the ULPI interface complies with the UTMI+ Low Pin Interface specification v1.05. It supports standard PHYs such as SMSC USB334x and Microchip USB5744, with documented timing (Table 60) and DC characteristics (Table 58) matching industry requirements for 480 Mbps operation.