🧩 NUCLEO-F767ZI (STM32 Nucleo-144)

The NUCLEO‑F767ZI is an STMicroelectronics Nucleo‑144 development board featuring the STM32F767ZI microcontroller. It is designed for quick evaluation, prototyping, and firmware development thanks to the integrated ST‑LINK/V2‑1 debugger/programmer and the wide expansion ecosystem via Arduino™ Uno V3 (ST Zio) and ST Morpho headers.

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⭐ Key highlights

• 🧠 High‑performance Cortex‑M7 MCU (STM32F7 family)
• 🛠️ On‑board ST‑LINK/V2‑1: programming/debugging, Mass‑Storage, Virtual COM port
• 🔌 Flexible expansion: Arduino Uno V3 (ST Zio) + ST Morpho connectors
• 🌐 Ethernet support with RJ45 (depending on board/MCU support)
• 🔋 Multiple power options: ST‑LINK USB, USB connector, or external sources

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🧾 Technical specifications (condensed)

1) Microcontroller (STM32F767ZI)

Item	Specification
Core	Arm® Cortex®‑M7 (32‑bit) with DPFPU + DSP instructions
Max CPU frequency	up to 216 MHz
Performance	up to ~462 DMIPS (Dhrystone 2.1)
Flash	up to 2 MB (dual‑bank, read‑while‑write)
SRAM	512 KB + TCM RAM (instruction/data) + backup SRAM
External memory	FMC (SRAM/PSRAM/SDRAM, NOR/NAND), Quad‑SPI
Graphics	Chrom‑ART (DMA2D), hardware JPEG

Note: exact peripheral counts/features depend on the exact STM32F767 device configuration.

2) Board (Nucleo‑144 / NUCLEO‑F767ZI)

Item	Specification
Debug/programming	On‑board ST‑LINK/V2‑1 (Mass Storage, VCP, Debug)
User LEDs	3 user LEDs
Buttons	USER + RESET
Clocks	32.768 kHz crystal (LSE)
Debug connector	SWD
Expansion	ST Zio (Arduino Uno V3), ST Morpho
Networking	Ethernet RJ45 (depending on support)
USB	USB OTG FS on Micro‑AB; also noted as “on‑board USB OTG” for specific variants
Power	ST‑LINK USB U5V, USB connector, or external power (E5V/VIN/3.3 V)
Mechanics	Board is split into ST‑LINK and target sections; ST‑LINK section can be cut off

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🔌 Connectors & interfaces (practical view)

• ST Zio (Arduino™ Uno V3): quick shield compatibility and easy access to common signals.
• ST Morpho: exposes a large set of MCU pins for custom expansion boards.
• RJ45 Ethernet: useful for TCP/IP prototypes (e.g., lwIP).
• USB OTG (Micro‑AB): device/OTG modes (FS).
• SWD: professional debugging in STM32CubeIDE / IAR / Keil, etc.

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🧰 Software ecosystem

• ✅ STM32CubeIDE (full IDE)
• ✅ STM32CubeMX (pin/peripheral configuration + code generation)
• ✅ STM32CubeF7 (HAL/LL, CMSIS, middleware, examples)

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✅ Typical use cases

• 🌐 Ethernet‑enabled IoT nodes / gateways
• ⚙️ Industrial control and high‑throughput data processing
• 🖥️ Graphics/UI acceleration (DMA2D, JPEG)
• 🔄 RTOS‑based applications (FreeRTOS, Azure RTOS, etc.)

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