STMicroelectronics STM32F207ZET6TR

Overview

STM32F207ZET6TR from STMicroelectronics is a 32-bit Arm® Cortex®-M3 microcontroller with 512 KB Flash, 128+4 KB SRAM, 120 MHz max CPU frequency, dual CAN 2.0B interfaces, and integrated 10/100 Ethernet MAC with IEEE 1588v2 hardware support - deployed in industrial gateways requiring real-time protocol bridging and deterministic network timing.

For engineers reviewing the STM32F207ZET6TR datasheet, STM32F207ZET6TR pinout, STM32F207ZET6TR application, or STM32F207ZET6TR equivalent, key selection criteria include Ethernet MAC + USB OTG HS/FS coexistence, triple 12-bit ADCs (6 MSPS interleaved), camera interface (DCMI) bandwidth, and 138 5 V-tolerant I/Os for mixed-voltage system interfacing.

Technical Context

The device integrates an Adaptive Real-time Accelerator (ART Accelerator™) enabling zero-wait-state execution from Flash at 120 MHz, alongside a multi-AHB bus matrix for concurrent peripheral access. Its memory subsystem includes flexible static memory controller (FSMC) supporting NAND/NOR/PSRAM and LCD parallel interface (8080/6800 modes).

Connectivity architecture features dual USB controllers (OTG_FS with on-chip PHY; OTG_HS with ULPI and dedicated DMA), full-duplex 10/100 Ethernet MAC with MII/RMII, and three I²C, four USART, two UART, three SPI (two muxed with I²S), SDIO, and DCMI - all mapped to a 140-pin I/O grid with interrupt capability and 5 V tolerance on 138 pins.

Key Specifications

Pinout & Package

LQFP144 (20 × 20 mm, 0.5 mm pitch) package with exposed thermal pad; RoHS-compliant, 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 STM32F407VGT6 and STM32H743ZIT6, the STM32F207ZET6TR uniquely balances Ethernet precision (IEEE 1588v2), camera interface integration, and dual CAN - making it optimal for cost-sensitive, latency-critical industrial gateways where hardware timestamping and parallel sensor capture are non-negotiable.

Availability

STM32F207ZET6TR is available at Aetrix Electronics and suitable for industrial gateways, smart camera edge nodes, programmable logic controllers, and energy monitoring hubs requiring stable component supply and long-term production continuity.

Supply support for STM32F207ZET6TR 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, specializing in microcontrollers, power management, sensors, and automotive ICs with strong industrial and embedded market focus.

The STM32F2 series targets high-performance industrial connectivity applications, emphasizing integrated Ethernet, USB OTG, and real-time peripherals - designed specifically for protocol gateways, motor control, and vision-enabled edge devices.

FAQ

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

The STM32F207ZET6TR achieves 120 MHz maximum CPU frequency using the Arm Cortex-M3 core with the Adaptive Real-time Accelerator (ART Accelerator™). This proprietary cache-like unit enables zero-wait-state execution from internal Flash memory by prefetching and caching instructions, eliminating pipeline stalls without requiring external memory or complex clock tree design.

Does this MCU support hardware-accelerated IEEE 1588v2 timestamping?

Yes - the integrated 10/100 Ethernet MAC includes dedicated IEEE 1588v2 hardware timestamping logic. It inserts precise nanosecond-resolution timestamps into PTP packets at the MAC layer, independent of software interrupt latency, enabling sub-microsecond synchronization accuracy required for TSN-compliant industrial networks.

What camera interface capabilities does the STM32F207ZET6TR provide?

The device integrates an 8–14-bit parallel Digital Camera Interface (DCMI) supporting up to 48 MB/s throughput. It accepts YUV, RGB, and raw Bayer formats via 12 data lines (D0–D11), horizontal/vertical sync, and pixel clock inputs - enabling direct connection to CMOS image sensors for real-time frame capture with DMA offload to SRAM.

How many 5 V-tolerant I/O pins does the LQFP144 package offer?

The STM32F207ZET6TR in LQFP144 provides 138 5 V-tolerant I/O pins out of its total 140 GPIOs. This allows direct interfacing with legacy 5 V logic, industrial sensors, and RS-485 transceivers without external level shifters - critical for retrofitting into existing 5 V infrastructure while maintaining 3.3 V core operation.