STMicroelectronics STM32F217ZET6

Overview

STM32F217ZET6 from STMicroelectronics is a high-performance ARM® Cortex®-M3 microcontroller with 120 MHz CPU clock, 512 KB Flash, 128+4 KB SRAM, hardware crypto acceleration (AES-128/192/256, SHA-1, MD5), and dual USB OTG (FS + HS) with dedicated DMA. It integrates 10/100 Ethernet MAC with IEEE 1588v2 support and an 8–14-bit parallel camera interface-used in industrial gateways requiring secure, real-time connectivity and vision preprocessing.

For engineers reviewing the STM32F217ZET6 datasheet, STM32F217ZET6 pinout, STM32F217ZET6 application, or STM32F217ZET6 equivalent, key selection criteria include its dual USB OTG capability with on-chip PHYs, integrated Ethernet MAC with hardware timestamping, cryptographic acceleration for TLS/IPsec offload, and DCMI interface supporting up to 48 MB/s camera data throughput.

Technical Context

The device implements a multi-AHB bus matrix enabling concurrent access to Flash, SRAM, and peripherals-including simultaneous Ethernet DMA, USB HS DMA, and DCMI transfers without bus contention. Its ART Accelerator™ eliminates Flash wait states at 120 MHz, delivering 150 DMIPS sustained performance.

It features two independent USB controllers: OTG_FS with embedded full-speed PHY and OTG_HS with external ULPI or on-chip full-speed PHY plus dedicated DMA channel-enabling simultaneous host/device roles and high-bandwidth streaming. The Ethernet MAC supports MII/RMII and IEEE 1588v2 hardware timestamping for deterministic networking.

Key Specifications

Pinout & Package

LQFP144 package with exposed thermal pad; 144 leads, 0.5 mm pitch, 20 × 20 mm body size, compliant with JEDEC MO-215 standard. Designed for industrial PCB assembly with robust thermal dissipation and signal integrity for high-speed interfaces (Ethernet, USB HS, DCMI).

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F429ZIT6, the STM32F217ZET6 offers superior IEEE 1588v2 timestamping accuracy and broader crypto algorithm support (SHA-1/MD5), while the STM32H743ZIT6 trades DCMI and dual USB for raw M7 compute-but requires redesign due to missing critical peripherals for vision gateway use cases.

Availability

STM32F217ZET6 is available at Aetrix Electronics and suitable for industrial gateways, secure edge nodes, medical imaging terminals, and video-over-IP encoders requiring stable component supply, long lifecycle assurance, and qualified automotive/industrial grade parts.

Supply support for STM32F217ZET6 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 ICs, sensors, and analog components for industrial, automotive, and consumer markets.

The STM32F2 series targets high-performance embedded applications demanding rich connectivity, hardware security, and real-time determinism-specifically engineered for industrial automation, networking infrastructure, and vision-enabled edge devices.

FAQ

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

The STM32F217ZET6 achieves 120 MHz CPU frequency using its internal PLL driven by a 4–26 MHz external crystal (typically 8 MHz). The ART Accelerator™ enables zero-wait-state execution from Flash memory, sustaining 150 DMIPS performance without requiring code relocation to SRAM.

Does this MCU support hardware-accelerated TLS stack offload?

Yes-it integrates dedicated hardware for AES-128/192/256, SHA-1, and MD5, enabling full TLS 1.2 record layer encryption/decryption and handshake acceleration. Combined with the 10/100 Ethernet MAC and TCP/IP stack support in STM32CubeMX middleware, it reduces CPU load during secure socket operations by >70%.

Can the DCMI interface capture raw Bayer data from CMOS image sensors?

Yes-the 8–14-bit parallel DCMI supports ITU-R BT.601/656, JPEG, and raw Bayer formats (GRBG, RGGB, GBRG, BGGR) with programmable synchronization signals (VSYNC, HSYNC, PIXCLK). It captures up to 48 MB/s, sufficient for 720p30 RGB565 or 1080p15 Bayer streams without external buffering.

Is the Ethernet MAC compatible with standard IEEE 802.3 PHYs using RMII?

Yes-the integrated 10/100 Ethernet MAC fully supports RMII v1.2 with precise timing: RMII_REF_CLK jitter <30 ps RMS, setup/hold times met for common PHYs (e.g., LAN8720A, DP83848). Hardware IEEE 1588v2 timestamping operates independently of PHY vendor, enabling sub-microsecond PTP synchronization.