STMicroelectronics STM32F417ZGT6

Overview

STM32F417ZGT6 from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU, operating at up to 168 MHz (210 DMIPS), featuring 1 MB 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 gateway firmware for real-time protocol bridging and fieldbus-to-Ethernet conversion.

For engineers reviewing the STM32F417ZGT6 datasheet, STM32F417ZGT6 pinout, STM32F417ZGT6 application, or STM32F417ZGT6 equivalent, key selection considerations include Ethernet MAC timing compliance, dual-CAN arbitration latency, CCM RAM allocation for deterministic ISR execution, and ULPI interface signal integrity for high-speed USB peripheral attachment.

Technical Context

The device integrates a dual-bus AHB matrix enabling concurrent access to Flash, SRAM, and peripherals - critical for sustaining 54 MB/s parallel camera interface throughput while servicing Ethernet DMA and USB OTG HS transfers. Its ART Accelerator eliminates Flash wait states, ensuring deterministic 168 MHz instruction fetch timing.

Hardware cryptographic acceleration supports AES-128/192/256, Triple DES, and SHA-1/MD5 hashing with dedicated registers and DMA-triggered operation - used for secure boot image verification and TLS 1.2 handshake offload in edge node firmware.

Key Specifications

Pinout & Package

LQFP144 (20 × 20 mm) package with 140 I/O pins - 136 support up to 84 MHz toggle rate and 138 are 5 V-tolerant, enabling direct interfacing with legacy industrial logic and sensor buses without level shifters.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F427ZIT6, STM32F417ZGT6 provides native Ethernet MAC and dual CAN essential for industrial control networks, while STM32H743ZIT6 trades DCMI and dual CAN for M7 performance and security features - making STM32F417ZGT6 optimal for deterministic, connectivity-rich embedded gateways.

Availability

STM32F417ZGT6 is available at Aetrix Electronics and suitable for industrial gateways, machine vision edge nodes, secure PLC communication modules, and audio/video streaming terminals requiring stable component supply across extended product lifecycles.

Supply support for STM32F417ZGT6 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, designing and manufacturing microcontrollers, power ICs, sensors, and automotive chips with focus on industrial, automotive, and IoT markets.

The STM32F4-series targets high-performance real-time applications demanding DSP capability, rich connectivity, and hardware security - specifically engineered for industrial automation, medical devices, and advanced human-machine interfaces.

FAQ

What is the maximum achievable data rate on the DCMI interface?

The DCMI supports 8–14-bit parallel capture at up to 54 MB/s, verified under conditions of 168 MHz HCLK, enabled FSMC clock, and proper PCB layout with matched trace lengths. This rate assumes continuous pixel clock (PCLK) ≤27 MHz and synchronous mode with HSYNC/VSYNC framing - sufficient for 720p30 raw Bayer output from most industrial CMOS sensors.

Does STM32F417ZGT6 support IEEE 1588 Precision Time Protocol in hardware?

Yes - the integrated Ethernet MAC includes dedicated timestamp registers, fine-resolution timers, and hardware event capture logic compliant with IEEE 1588v2 Annex D. It supports one-step and two-step clock correction modes, with timestamp resolution down to 1 ns when driven by a 100 MHz reference clock, enabling sub-microsecond synchronization across distributed motion axes.

How is the 64 KB CCM SRAM physically isolated from main SRAM?

The CCM (Core Coupled Memory) is a separate 64 KB SRAM block mapped to address 0x10000000, accessible exclusively by the Cortex-M4 CPU (not by DMA or other masters). This isolation prevents bus arbitration delays during critical ISR execution - for example, storing RTOS tick handler context or PID controller state variables without cache-line conflicts or DMA stalls.

Can the USB OTG HS interface operate without an external ULPI transceiver?

No - USB OTG HS requires an external ULPI-compliant PHY (e.g., SMSC USB334x) connected via the 8-bit ULPI bus (ULPI_CLK, ULPI_D0–D7, ULPI_DIR, ULPI_NXT, ULPI_STP). The on-chip HS PHY is not present; only the FS PHY is integrated on-chip (PA11/PA12). ULPI interface timing must meet tSU/tH specifications per ST AN4879 for reliable 480 Mbps operation.