STMicroelectronics STM32F217IGH6

Overview

STM32F217IGH6 from STMicroelectronics is a high-performance ARM Cortex-M3 microcontroller designed for industrial connectivity and embedded vision applications. It delivers 150 DMIPS at 120 MHz, integrates 1 MB Flash and 132 KB SRAM (128+4 KB), features dual USB OTG (FS/HS), 10/100 Ethernet MAC with IEEE 1588v2 hardware support, and an 8–14-bit parallel camera interface (DCMI) capable of 48 MB/s throughput - enabling real-time image acquisition in smart cameras and IoT gateways.

For engineers reviewing the STM32F217IGH6 datasheet, STM32F217IGH6 pinout, STM32F217IGH6 application, or STM32F217IGH6 equivalent, key selection considerations include its dual-CAN 2.0B interfaces, cryptographic acceleration (AES-128/192/256, SHA-1, MD5), hardware RNG, and flexible static memory controller supporting NAND/NOR/PSRAM - critical for secure, high-bandwidth edge node designs.

Technical Context

The STM32F217IGH6 implements an ARM Cortex-M3 core with Adaptive Real-Time Accelerator (ART Accelerator™) enabling zero-wait-state execution from Flash at 120 MHz. Its multi-AHB bus matrix supports concurrent access to Flash, SRAM, and peripherals including dual USB OTG controllers (one with on-chip FS PHY, one with ULPI HS interface) and a dedicated Ethernet DMA channel.

It integrates three 12-bit ADCs (up to 24 channels, 6 MSPS in triple interleaved mode), two 12-bit DACs, and a digital camera interface (DCMI) with hardware synchronization and data FIFO - all coordinated via a 16-stream general-purpose DMA controller with centralized FIFOs and burst support for deterministic real-time data flow.

Key Specifications

Pinout & Package

LQFP176 (24 × 24 mm, 0.5 mm pitch) package with 176 leads; thermally enhanced for sustained 120 MHz operation in industrial ambient conditions.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F217IGH6, the STM32F427IGT6 trades DCMI and dual-CAN for FPU and audio peripherals, while the STM32H743VIT6 sacrifices legacy crypto acceleration for raw CPU performance and display throughput - making the F217 optimal for cost-sensitive, vision-centric industrial gateways requiring IEEE 1588 and hardware security.

Availability

STM32F217IGH6 is available at Aetrix Electronics and suitable for industrial gateways, smart camera nodes, secure IoT endpoints, and human-machine interfaces requiring stable component supply across extended product lifecycles.

Supply support for STM32F217IGH6 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, specializing in microcontrollers, power management, sensors, and automotive ICs.

The STM32F2 series targets high-end industrial and connectivity applications, emphasizing real-time performance, cryptographic security, and rich peripheral integration - specifically engineered for edge devices requiring Ethernet, USB OTG, and camera interfacing without external co-processors.

FAQ

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

The STM32F217IGH6 achieves 120 MHz maximum CPU frequency using the Adaptive Real-Time Accelerator (ART Accelerator™), which caches Flash instruction fetches to eliminate wait states. This allows deterministic 150 DMIPS performance directly from Flash memory without requiring code relocation to SRAM - verified under 1.8–3.6 V supply and industrial temperature range (–40°C to +105°C).

Does this MCU support hardware-based IEEE 1588v2 precision time protocol?

Yes - the integrated 10/100 Ethernet MAC includes dedicated hardware timestamping logic compliant with IEEE 1588v2 Annex D, enabling sub-microsecond synchronization accuracy. Timestamps are captured on PTP event frames (Sync, Delay_Req) at the MAC layer, independent of CPU load or interrupt latency, and stored in dedicated registers accessible via DMA.

Can the DCMI interface handle raw Bayer pattern data from CMOS sensors?

Yes - the 8–14-bit parallel Digital Camera Interface (DCMI) supports raw pixel formats including Bayer (RGGB, BGGR), YUV, and RGB. It captures data on every rising edge of PIXCLK with hardware-controlled HSYNC/VSYNC framing and includes a 2 KB FIFO to absorb burst transfers. Configuration registers allow polarity inversion and data alignment for direct sensor compatibility.

What cryptographic algorithms are accelerated in hardware?

The STM32F217IGH6 integrates dedicated hardware accelerators for AES-128/192/256 encryption/decryption, Triple DES, HASH (MD5 and SHA-1), and a true random number generator (RNG) compliant with NIST SP800-90B. These operate independently of the CPU core and support DMA chaining for high-throughput secure communications and firmware signing verification.