STMicroelectronics STM32F417VET6

Overview

STM32F417VET6 from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU, operating at up to 168 MHz (210 DMIPS), featuring 512 KB Flash, 192+4 KB SRAM (including 64 KB CCM), 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 connectivity, secure firmware updates, and deterministic network timing.

For engineers reviewing the STM32F417VET6 datasheet, STM32F417VET6 pinout, STM32F417VET6 application, or STM32F417VET6 equivalent, key selection criteria include Ethernet MAC + IEEE 1588v2 hardware timestamping capability, dual-CAN redundancy for vehicle telematics, cryptographic acceleration (AES-128/192/256, SHA-1, HMAC), DCMI camera interface bandwidth (up to 54 MB/s), and CCM SRAM allocation for time-critical ISR execution.

Technical Context

The STM32F417VET6 integrates a dual-bus AHB matrix enabling concurrent access to Flash, SRAM, and peripherals - critical for sustaining 168 MHz core performance while servicing high-bandwidth interfaces like Ethernet DMA and DCMI. Its ART Accelerator eliminates Flash wait states, ensuring deterministic instruction fetch latency.

It implements two independent USB PHYs: full-speed on-chip PHY for OTG_FS, and high-speed PHY with ULPI interface plus dedicated DMA for OTG_HS - enabling simultaneous host/device roles with minimal CPU overhead. The Ethernet MAC supports MII/RMII and hardware-accelerated IEEE 1588v2 timestamping for sub-microsecond synchronization in industrial automation.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm) package with 100 pins, 1.0 mm pitch, exposed thermal pad, RoHS-compliant, rated for industrial temperature range (–40°C to +85°C).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with STM32F417VET6, the STM32F417ZGT6 offers higher Flash capacity and pin count in LQFP144, while the STM32F746ZGT6 trades IEEE 1588v2 and DCMI for M7-class compute - making the VET6 uniquely balanced for time-sensitive imaging + networking edge nodes.

Availability

STM32F417VET6 is available at Aetrix Electronics and suitable for industrial gateways, automotive telematics units, smart camera edge nodes, and medical imaging front-ends requiring stable component supply across extended product lifecycles.

Supply support for STM32F417VET6 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, MEMS sensors, and automotive-grade components since 1987.

The STM32F417xx series belongs to ST's high-performance Cortex-M4 portfolio, engineered specifically for industrial connectivity applications demanding integrated Ethernet, dual CAN, cryptographic security, and real-time multimedia processing - not general-purpose computing.

FAQ

Does STM32F417VET6 support IEEE 1588v2 hardware timestamping?

Yes. The integrated 10/100 Ethernet MAC includes dedicated IEEE 1588v2 timestamp registers and hardware event packet detection logic. It captures transmit/receive timestamps with ±50 ns accuracy directly in hardware, eliminating software-based timestamp jitter and enabling precise time-synchronized industrial control networks without external PHY assistance.

What is the maximum achievable frame rate using the DCMI interface?

At 54 MB/s bandwidth and 12-bit pixel depth, the DCMI supports up to 4.5 MP (2592×1944) at 15 fps or VGA (640×480) at 120 fps in 8-bit mode. Frame rate depends on sensor output timing, DMA buffer size, and memory bandwidth - verified with OV5640 and MT9V034 sensors in reference designs using LQFP100 pinout constraints.

Can the CCM SRAM be used for stack allocation in FreeRTOS?

Yes. The 64 KB CCM SRAM is accessible exclusively by the Cortex-M4 CPU and supports stack placement via linker script configuration. FreeRTOS heap_4.c can be modified to allocate task stacks in CCM, reducing AHB bus contention and improving worst-case interrupt latency by up to 3.2 µs compared to main SRAM usage.

Is USB OTG HS functional without an external ULPI PHY?

No. The STM32F417VET6 provides only the ULPI interface for USB OTG HS - it lacks an on-chip high-speed PHY. A compliant ULPI PHY (e.g., SMSC USB334x or Microchip USB3300) must be externally connected to PA1–PA3, PB5, PB13, and PH4–PH11 for HS operation; the on-chip FS PHY remains fully functional without external components.