STM32F777IIT6 - 216MHz Cortex-M7 MCU, 2MB Flash | ST
MPN： STM32F777IIT6 ✓ 啟用中STM32F777IIT6 概覽
A microcontroller is a programmable integrated circuit containing a processor core, memory, and peripherals that together implement a complete embedded control function. Within the semiconductor hierarchy, an MCU is a system-on-chip type of integrated circuit used for real-time control, signal processing, communications, and automation. The STM32F7 series occupies the high-performance segment of the STM32 product family and targets demanding embedded applications.
Principal device characteristics include a 216 MHz Cortex-M7 core, 2 MB of Flash, 512 KB of SRAM, dual-mode Quad-SPI, and support for up to 18 timers. The timer configuration includes thirteen 16-bit timers, two 32-bit timers, and additional timer channels for input capture, output compare, PWM generation, pulse counting, and incremental-encoder interfaces. Two watchdogs and the SysTick timer support reliable background and operating-system timing functions.
The STM32F777 device family combines substantial memory bandwidth with a large pin count, allowing simultaneous use of high-speed communications, display interfaces, analog peripherals, and general-purpose I/O. Its 176-LQFP package provides extensive external connectivity while avoiding the mechanical complexity of a ball-grid array. The STM32F777IIT6 ordering code identifies the 176-pin LQFP configuration and the industrial temperature option.
Typical applications include industrial automation controllers, high-speed communications equipment, motor-control systems, audio and digital signal processing platforms, human-machine interfaces, and networked embedded products. The 216 MHz Cortex-M7 core is particularly useful when workloads require deterministic real-time response alongside extensive peripheral integration.
PCB design should follow the manufacturer's land-pattern and pin-definition guidance exactly. Keep high-speed clock and communication traces short, provide the specified bypass capacitors near their supply pins, and verify that exposed test points and programming access remain compatible with the assembled board. Firmware selection, boot configuration, clock-tree setup, and peripheral initialization should be validated against the device datasheet and reference documentation.
This product summary consolidates the core electrical specifications, package details, same-family alternatives, interface considerations, and practical design guidance into one engineering reference. It also distinguishes direct STM32F7 options from products that may require firmware, peripheral, or PCB validation before substitution.
直接替換替代品，適用於 STM32F777IIT6 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： STM32F777IIT6 （相同外形與佔位） — 差異在於 Package, Mounting Type, ADC, CAN, Core Architecture.
STM32F777IIT7
✅ 直接替換📋 參考替代品（不在目錄中）
STM32F777IIK6
✅ 直接替換聯絡詢價
查看資料表 →STM32F777IIK7
✅ 直接替換📋 參考替代品（不在目錄中）
STM32F778AIY6
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32F779IIT6
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32F777IIT6 最大額定值與電氣特性
| Product Type | 32-bit ARM Cortex-M7 microcontroller |
| Maximum CPU Frequency | 216 MHz |
| Core Architecture | Arm Cortex-M7F with FPU |
| Flash Memory | 2 MB (2M x 8) |
| SRAM | 512 KB |
| Architecture | 32-bit RISC |
| Timer Count | Up to 18 timers |
| 16-Bit Timers | Up to 13 |
| 32-Bit Timers | 2 |
| Watchdogs | 2 |
| System Timer | SysTick timer |
| SPI Configuration | Dual-mode Quad-SPI |
| Timer Functions | Input capture, output compare, PWM, pulse counter, and quadrature incremental encoder |
| 封裝 | 176-LQFP (24 x 24 mm) |
| 安裝類型 | Surface mount |
| Temperature Qualification | Industrial temperature option |
STM32F777IIT6 176-lqfp (24 x 24 mm) 腳位配置指南
STM32F777IIT6（176-lqfp (24 x 24 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： STM32F777IIT6.
請參閱 資料表 以查看完整腳位配置。
典型應用
STM32F777IIT6 適用於 6 應用s: Industrial Automation Controller, High-Speed Communications Gateway, Motor Control and Position Feedback, Digital Signal Processing Platform, Human-Machine Interface Controller, Audio Processing Controller.
Industrial Automation Controller
The STM32F777IIT6 fits industrial automation controllers that need deterministic control, extensive I/O, and high-speed communication. Its 216 MHz Arm Cortex-M7F core provides substantial compute margin for motion algorithms, diagnostics, and a supervisory control task, while 2 MB of Flash and 512 KB of SRAM support a larger application and working buffers. Up to 18 timers improve hardware utilization for pulse counting, PWM generation, input capture, and incremental-encoder measurement. Use the 176-pin LQFP to expose field-bus, digital I/O, analog, and communication interfaces without requiring a fine-pitch BGA footprint.
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High-Speed Communications Gateway
The STM32F777IIT6 is appropriate for communications gateways that combine protocol processing with multiple peripheral interfaces. The 216 MHz Cortex-M7F core can handle framing, filtering, buffering, and real-time supervisory tasks, while the 176-pin LQFP provides enough pins for parallel data paths, multiple serial links, clocks, resets, and status indicators. Two megabytes of Flash accommodates a substantial firmware image and 512 KB of SRAM supports packet buffering and protocol state. Dual-mode Quad-SPI also allows high-speed external storage or expansion where the selected board configuration and signal-integrity budget support it.
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Motor Control and Position Feedback
The STM32F777IIT6 suits motor-control systems that combine real-time computation with precise timer-based feedback. According to the STMicroelectronics family documentation, its timer resources support input capture, output compare, PWM, pulse counting, and quadrature incremental-encoder functions. Those hardware features reduce peripheral load for commutation, position counting, and timing-critical control, while the Cortex-M7F core handles current-loop algorithms, supervisory logic, and communications. The 176-pin LQFP also supplies enough pins for encoder inputs, control signals, communications, and diagnostic functions. Power-stage protection and thermal design remain separate system requirements.
推薦
Digital Signal Processing Platform
The STM32F777IIT6 can anchor a digital signal processing platform when algorithms require more computation and memory than entry-level microcontrollers provide. The 216 MHz Arm Cortex-M7F core is suited to filtering, modulation, control, and real-time data transformation, while the floating-point processing capability supports common scientific-control workflows. Memory resources comprise 2 MB of Flash for code and constants and 512 KB of SRAM for samples, histories, and working state. The large 176-pin LQFP allows concurrent use of high-speed serial interfaces, parallel data paths, timers, and external peripherals, subject to the device's pin multiplexing and electrical limits.
推薦
Human-Machine Interface Controller
The STM32F777IIT6 is suitable for human-machine interface controllers that combine graphical or touch-panel data handling with general embedded control. Its 216 MHz Cortex-M7F core can service user input, update displays, maintain communications with external controllers, and run supervisory logic within one device. The 2 MB Flash capacity supports a larger firmware image, and 512 KB of SRAM provides working space for interface state and communication buffers. The 176-pin LQFP exposes many GPIOs for buttons, indicators, panel buses, and peripherals. Interface timing and display-device requirements should be evaluated separately to avoid placing avoidable bandwidth or pin constraints on the MCU.
推薦
Audio Processing Controller
The STM32F777IIT6 fits audio processing controllers that require deterministic sampling, serial data movement, and real-time control in one microcontroller. Its 216 MHz Cortex-M7F performance provides processing margin for decoding, mixing, filtering, and system management, while the timer suite supports precise sample timing and periodic control events. Two megabytes of Flash accommodates firmware, tables, and audio assets, while 512 KB of SRAM supports working buffers. Dual-mode Quad-SPI can serve compatible memory or expansion requirements, although external interface timing must be verified against the selected peripheral and board layout.
推薦
推薦產品摘要
工程參考資料，適用於 STM32F777IIT6 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | STM32F777IIT7 | STM32F777IIK6 | STM32F777IIK7 | STM32F778AIY6 | STM32F779IIT6 |
|---|---|---|---|---|---|---|
| Package | 176-LQFP (24 x 24 mm) | 176-LQFP (24 x 24 mm) | 176-LQFP (24 x 24 mm) | 176-LQFP (24 x 24 mm) | 176-LQFP (24 x 24 mm) | 176-LQFP (24 x 24 mm) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| CPU Core | Arm Cortex-M7F | Arm Cortex-M7F | Arm Cortex-M7F | Arm Cortex-M7F | Arm Cortex-M7F | Arm Cortex-M7F |
| Maximum CPU Frequency | 216 MHz | 216 MHz | 216 MHz | 216 MHz | 216 MHz | 216 MHz |
| Flash Memory | 2 MB | 2 MB | 2 MB | 2 MB | 2 MB | 2 MB |
| SRAM | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
主要差異化特點
- High-performance Cortex-M7F processing in a 176-pin LQFP (對比STM32F778AIY6)
- Direct same-family temperature-ordering alternative (對比STM32F777IIT7)
- Large SRAM and external-interface capacity (對比STM32F777IIK6)
設計說明
Use the exact supply topology, voltage limits, and bypass-capacitor placement specified in the STMicroelectronics family datasheet. Place each local decoupling capacitor adjacent to its intended supply or ground pin and keep the return path short and low-inductance. Review the aggregate regulator capability against the MCU's active current, I/O loading, temperature, and startup sequence. Do not infer power requirements from the 216 MHz clock rate alone; peripheral activity and I/O slew can materially affect demand.
The 176-LQFP footprint demands careful escape routing and layer planning. Assign pins by priority so clock inputs, high-speed serial interfaces, and memory buses reach their destinations through short paths, while slower GPIO signals use remaining pins. Maintain the manufacturer's recommended decoupling and layout geometry, use adequate via counts for supply and ground pins, and check the PCB library dimensions against the 24 x 24 mm package drawing. Validate the final stack-up and controlled-impedance rules against the actual interface timing requirements.
A suffix change within the STM32F777 family can alter temperature grade, qualification, or ordering semantics even when the package appears identical. Before substitution, compare the complete ordering information, electrical limits, pin definition table, clock configuration, boot behavior, peripheral instances, and firmware device identification. Also verify that software does not depend on unique device IDs or reserved flash regions. A footprint-compatible candidate should enter production only after electrical, timing, thermal, and firmware validation.
合規資訊
The STM32F777IIT6 is identified as an industrial-temperature option, but RoHS, REACH, AEC-Q100, lead-free, halogen-free, and conflict-minerals declarations require confirmation from the manufacturer's product documentation or declaration.