STMicroelectronics STM32F217VET6TR

Overview

STM32F217VET6TR from STMicroelectronics is a high-performance ARM Cortex-M3 microcontroller featuring 120 MHz CPU operation, 512 KB Flash, 128+4 KB SRAM, hardware crypto acceleration (AES-256, SHA-1), dual USB OTG (FS/HS), 10/100 Ethernet MAC with IEEE 1588v2 support, and parallel camera interface - deployed in industrial gateways requiring secure connectivity and real-time vision processing.

For engineers reviewing the STM32F217VET6TR datasheet, STM32F217VET6TR pinout, STM32F217VET6TR application, or STM32F217VET6TR equivalent, key selection criteria include Ethernet MAC timing compliance, DCMI pixel clock stability at 48 MB/s, USB HS ULPI interface readiness, and cryptographic engine throughput for TLS offload in edge node firmware.

Technical Context

The STM32F217VET6TR integrates a Cortex-M3 core with ART Accelerator™ enabling zero-wait-state execution from Flash at 120 MHz, and includes a multi-AHB bus matrix supporting concurrent access to Flash, SRAM, FSMC, and peripherals. Its memory subsystem comprises 512 KB of embedded Flash, 128 KB main SRAM, and 4 KB battery-backed SRAM with RTC retention.

Connectivity is defined by dual USB controllers (OTG_FS with on-chip PHY; OTG_HS with dedicated DMA and ULPI), a full-featured 10/100 Ethernet MAC with MII/RMII and IEEE 1588v2 hardware timestamping, two CAN 2.0B interfaces, and an 8–14-bit parallel DCMI supporting up to 48 MB/s data capture - all synchronized via a configurable multi-source clock tree including PLL, audio PLL (PLLI2S), and RTC oscillator.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm, 0.5 mm pitch) package with 100 leads; 138 I/Os are 5 V-tolerant, 136 support up to 60 MHz toggle rate, and multiple pins support dynamic remapping via alternate function registers.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F217VET6TR, the STM32F427VIT6 trades crypto depth and IEEE 1588v2 for raw performance and memory, while the STM32H743VIT6 delivers superior compute and modern crypto but removes integrated Ethernet - making the F217 optimal for cost-sensitive, time-critical industrial Ethernet endpoints.

Availability

STM32F217VET6TR is available at Aetrix Electronics and suitable for industrial gateways, secure edge nodes, machine vision terminals, and multi-protocol HMIs requiring stable component supply across long-lifecycle deployments.

Supply support for STM32F217VET6TR 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.

The STM32F2 series targets high-performance industrial and connectivity-focused applications, emphasizing integrated Ethernet, USB OTG, crypto acceleration, and real-time peripheral responsiveness - designed for deterministic operation in factory automation and networked edge devices.

FAQ

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

The STM32F217VET6TR achieves 120 MHz CPU operation using the internal main PLL with HSE (4–26 MHz) or HSI (16 MHz) as input. The ART Accelerator™ eliminates Flash wait states, enabling zero-wait-state execution. System clocks for APB1 (max 60 MHz) and APB2 (max 120 MHz) are derived via programmable prescalers, and all timers operate at their respective domain frequencies with independent clock gating.

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

Yes - the integrated 10/100 Ethernet MAC includes full IEEE 1588v2 hardware timestamping capability. It inserts or extracts precise timestamps (sub-100 ns resolution) directly in the MAC layer for Sync, Delay_Req, and Pdelay_Req frames, eliminating software interrupt latency and enabling accurate time synchronization in industrial TSN networks without external timestamping ICs.

What are the DCMI interface timing constraints for reliable image capture?

The DCMI supports pixel clocks up to 48 MHz with setup/hold times verified for 8–14-bit parallel data. Critical constraints include: PIXCLK rising edge must sample D[0:13] with ≥5 ns setup and ≥3 ns hold; HSYNC/VSYNC pulse widths ≥100 ns; and frame start must align with first valid pixel. These are met using the DCMI's built-in synchronization logic and programmable polarity controls - no external glue logic required.

Can the USB OTG_HS interface operate without an external ULPI PHY?

No - the OTG_HS interface requires an external ULPI-compliant PHY (e.g., SMSC USB334x or Microchip USB3300) for high-speed operation. However, the OTG_FS interface includes a fully integrated PHY and operates standalone at full-speed (12 Mbit/s). OTG_HS functionality is only enabled when an external ULPI PHY is connected and configured via the ULPI interface pins (ULPI_CLK, ULPI_Dx, ULPI_DIR, etc.).