STMicroelectronics STM32F215VGT7

Overview

STM32F215VGT7 from STMicroelectronics is a production-grade ARM® Cortex®-M3 microcontroller operating at up to 120 MHz, featuring 1 MB Flash, 128 + 4 KB SRAM, hardware AES/SHA cryptographic acceleration, dual USB OTG (FS + HS), and integrated 10/100 Ethernet MAC with IEEE 1588v2 support. It targets secure industrial gateways requiring real-time connectivity, encrypted data handling, and deterministic network timing.

For engineers reviewing the STM32F215VGT7 datasheet, STM32F215VGT7 pinout, STM32F215VGT7 application, or STM32F215VGT7 equivalent, key selection criteria include its dual-USB-OTG capability with dedicated DMA, hardware crypto engine supporting AES-256 and SHA-1, 120 MHz ART-accelerated execution, 140 I/Os with 5 V tolerance, and Ethernet MAC with MII/RMII interface and hardware timestamping.

Technical Context

The STM32F215VGT7 integrates an Adaptive Real-Time Accelerator (ART Accelerator™) enabling zero-wait-state execution from Flash memory at 120 MHz, delivering 150 DMIPS performance. Its memory subsystem includes flexible static memory controller (FSMC) supporting NAND/NOR/PSRAM and parallel LCD interface in 8080/6800 modes.

It implements dual USB controllers: full-speed OTG_FS with on-chip PHY and high-speed OTG_HS with ULPI interface and dedicated DMA channel. The Ethernet MAC supports IEEE 1588v2 hardware timestamping, MII/RMII physical layer interfaces, and integrated DMA for low-CPU-load packet processing.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm, 0.5 mm pitch) package with 100 pins, thermally enhanced for industrial ambient operation up to 105°C junction temperature.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F427VIT6, the STM32F215VGT7 provides superior deterministic Ethernet timing and SHA-1 hardware acceleration but trades off FPU and peak clock speed; versus STM32H743VIT6, it delivers lower-power, pin-compatible imaging and time-sync capabilities at reduced cost and thermal footprint.

Availability

STM32F215VGT7 is available at Aetrix Electronics and suitable for industrial gateways, secure edge nodes, video surveillance endpoints, and medical imaging interfaces requiring stable component supply across multi-year production cycles.

Supply support for STM32F215VGT7 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 automotive semiconductors since 1987.

The STM32F2 series targets high-performance industrial and networking applications, emphasizing hardware-accelerated security, deterministic real-time connectivity, and mixed-signal integration for space-constrained edge devices.

FAQ

What is the maximum operating temperature and voltage range for STM32F215VGT7?

The STM32F215VGT7 operates from −40°C to +105°C ambient temperature with a supply voltage range of 1.8 V to 3.6 V for VDD/VDDA/VDDIO2. Its LQFP100 package is qualified for industrial temperature grade, and all electrical characteristics-including Flash endurance and ADC accuracy-are guaranteed across this full range per ST's DocID17050 Rev 13 specification.

Does STM32F215VGT7 support USB device, host, and OTG modes simultaneously?

Yes-STM32F215VGT7 integrates two independent USB controllers: OTG_FS supports full-speed device/host/OTG operation with on-chip PHY, while OTG_HS supports high-speed device/host/OTG via ULPI interface. Both can operate concurrently-for example, acting as a USB host to a peripheral while serving as a high-speed USB device to a PC, with dedicated DMA channels preventing resource contention.

How does the hardware cryptographic engine improve firmware update security?

The integrated AES-256 and SHA-1 accelerators allow real-time decryption and hash verification of signed firmware images directly in ROM-resident bootloader code. This eliminates reliance on software libraries vulnerable to side-channel attacks, enforces authenticated boot, and reduces update validation time from ~200 ms (software) to <5 ms (hardware), meeting IEC 62443-3-3 SL2 requirements for secure boot integrity.

Can the Ethernet MAC interface operate in RMII mode with external PHY?

Yes-the STM32F215VGT7 Ethernet MAC supports both MII and RMII physical layer interfaces. In RMII mode, it uses 12 pins (REF_CLK, CRS_DV, RXD[1:0], TXD[1:0], TX_EN, RX_ER optional) and requires a 50 MHz reference clock. ST's official RMII PHY recommendations include the LAN8720A and DP83848, both verified for IEEE 1588v2 timestamping compatibility in ST application note AN4291.