STM32F479IIT6 - 180MHz Cortex-M4 MCU, 2MB Flash | STMicroelectronics
MPN： STM32F479IIT6 ✓ 啟用中STM32F479IIT6 概覽
A microcontroller is a complete programmable control platform containing a processor core, memory, communication interfaces, timers, analog converters, and other peripherals. The STM32F4 series belongs to the hierarchy of embedded-system controllers: microcontroller, 32-bit RISC processor, Arm Cortex-M4 core, and high-performance embedded microcontroller. This integration reduces the component count required for industrial control, audio processing, communications, data acquisition, and human-interface equipment.
The STM32F479IIT6's principal strengths include its 180 MHz Cortex-M4 core, 2 MB Flash memory, and 384 KB SRAM. The Cortex-M4 architecture supports efficient real-time workloads and includes DSP instructions and single-precision floating-point hardware. Its Flash capacity accommodates larger firmware, bootloaders, protocol stacks, graphics or control code, and application logic, while the SRAM supports buffering, network stacks, audio samples, and real-time data processing.
The 176-LQFP package exposes the device's high pin count for external connectivity. Its feature set includes communication peripherals and advanced analog functions such as analog-to-digital and digital-to-analog conversion. The STM32F479IIT6 is therefore suited to industrial controllers, motor-control equipment, audio interfaces, PLC modules, communications equipment, and data-acquisition systems where a high-performance MCU and substantial memory are needed in one component.
The exact pin assignments, electrical limits, peripheral configurations, clock tree, and package dimensions should be taken from the STMicroelectronics STM32F479xx datasheet and reference manual. Before schematic or PCB release, verify each power pin, decoupling requirement, boot configuration, debug connection, clock source, and analog reference against the applicable device variant.
This page combines the core device characteristics with replacement guidance, application-fit analysis, comparison parameters, and practical design considerations. It is intended to help engineers identify whether the STM32F479IIT6 provides the required processing, memory, package, and peripheral mix before committing to a design.
For development, STMicroelectronics provides the STM32Cube ecosystem and Arm Cortex-M debugging tools, but the exact debugger, programmer, and accessory choices should follow the board design and current tool support. Use the manufacturer pin-description table and reference manual when assigning PCB tracks, particularly for power, ground, analog inputs, and high-current communication interfaces.
直接替換替代品，適用於 STM32F479IIT6 — 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： STM32F479IIT6 （相同外形與佔位） — 差異在於 Product Type, DSP Support, Flash Organization, Floating-Point Unit, Operating Voltage Options.
STM32F469IIT6
✅ 直接替換聯絡詢價
查看資料表 →STM32F469IGT6
✅ 直接替換📋 參考替代品（不在目錄中）
STM32F469IIT6G
✅ 直接替換📋 參考替代品（不在目錄中）
STM32F479IIT6 最大額定值與電氣特性
| Product Type | 32-bit ARM Cortex-M4 microcontroller |
| Manufacturer | STMicroelectronics |
| Processor Core | ARM Cortex-M4 |
| Architecture | 32-bit RISC |
| Maximum CPU Frequency | 180 MHz |
| Flash Memory | 2 MB |
| Flash Organization | 2M x 8 |
| SRAM | 384 KB |
| DSP Support | Yes |
| Floating-Point Unit | Yes |
| 封裝 | 176-LQFP (24 mm x 24 mm) |
| 腳位數 | 176 pins |
| Operating Voltage Options | 1.8 V, 2.5 V, and 3.3 V |
| Temperature Grade Code | I-grade |
| 安裝類型 | Surface mount |
STM32F479IIT6 176-lqfp (24 mm x 24 mm) 腳位配置指南
STM32F479IIT6（176-lqfp (24 mm 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： STM32F479IIT6.
請參閱 資料表 以查看完整腳位配置。
典型應用
STM32F479IIT6 適用於 6 應用s: Industrial Automation Controller, Embedded Audio Signal Processor, Data Acquisition and Control, Motor Control and Power Systems, Communications Gateway, Human-Machine Interface Controller.
Industrial Automation Controller
The STM32F479IIT6 fits industrial automation controllers that combine deterministic control loops with communication and data logging. Its Cortex-M4 core operates at up to 180 MHz, while DSP and floating-point instructions accelerate filtering and control calculations. The 2 MB Flash provides room for control algorithms, diagnostics, communications stacks, and update code, and 384 KB of SRAM supports task buffers and protocol state. Place local decoupling beside every supply pin and route high-current outputs separately from sensitive analog and clock nets.
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Embedded Audio Signal Processor
The STM32F479IIT6 is appropriate for embedded audio signal processing because its Cortex-M4 core supports DSP instructions and floating-point hardware at up to 180 MHz. The 384 KB SRAM can hold sample buffers and intermediate filter data, while the 2 MB Flash can store codecs, effects, control tables, and a bootloader. Use the manufacturer-recommended audio interface path and verify clocking, sample-rate support, and DMA behavior in the reference manual. Keep analog audio routing away from switching nodes and provide clean, decoupled analog supplies.
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Data Acquisition and Control
The STM32F479IIT6 supports data-acquisition systems requiring high-speed control alongside mixed-signal processing. The 180 MHz core can execute filtering, calibration, and protocol tasks, while 2 MB Flash accommodates acquisition firmware and calibration tables. Its 384 KB SRAM can buffer samples while DMA transfers them to external storage or a communications interface. Validate converter acquisition timing, trigger routing, reference-voltage requirements, and ADC performance in the electrical-characteristics documentation before finalizing the analog front end.
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Motor Control and Power Systems
The STM32F479IIT6 is suitable for sophisticated motor-control systems that combine fast digital control with multiple communication and sensing functions. Its Cortex-M4 DSP and floating-point support at up to 180 MHz helps implement current loops, speed calculations, transforms, and fault handling. The 2 MB Flash allows larger algorithms and diagnostics, while the 176-LQFP exposes numerous signal-routing options. Use isolated gate drivers for power stages, protect control inputs from switching transients, and validate timing margins under the worst operating conditions.
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Communications Gateway
The STM32F479IIT6 can serve as a communications gateway when a product must combine several protocol stacks with local control. Its 180 MHz Cortex-M4 core provides processing capacity for framing, routing, encryption-related workload, and status monitoring. The 2 MB Flash and 384 KB SRAM are useful for protocol software and packet buffering, while the 176-LQFP provides access to numerous communications pins. Confirm the required USART, SPI, I2C, USB, and Ethernet capabilities against the exact device configuration before selecting it for a gateway design.
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Human-Machine Interface Controller
The STM32F479IIT6 fits human-machine interface controllers that combine display or touch handling, general control, and connectivity. The 180 MHz Cortex-M4 core has capacity for graphical state management, input handling, and real-time peripheral updates, while 2 MB Flash can hold interface assets and application firmware. Its SRAM supports display buffers and touch-controller data. Validate display-interface timing, external memory requirements, and the available GPIO allocation in the pin table, and separate display and touch signals from high-current or noisy power-conversion nodes.
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推薦產品摘要
工程參考資料，適用於 STM32F479IIT6 — 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 | STM32F469IIT6 | STM32F469IGT6 | STM32F469IIT6G |
|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 176-LQFP (24 mm x 24 mm) | 176-LQFP - same package | 176-LQFP - same package | 176-LQFP - same package |
| Flash Memory | 2 MB | 2 MB | 1 MB | 2 MB |
| Architecture | 32-bit RISC | 32-bit MCU | 32-bit MCU | 32-bit MCU |
| Special Features | High-performance STM32F4 series | STM32F4 series | STM32F4 series | STM32F4 series |
主要差異化特點
- Higher confirmed Flash capacity than the identified 1 MB alternative (對比STM32F469IGT6)
- Confirmed high-performance Cortex-M4 positioning (對比STM32F469IIT6)
- Substantial SRAM for real-time buffering (對比STM32F469IIT6)
設計說明
Use the manufacturer power-supply connection diagram as the authority for every voltage rail and decoupling value. Place the required bulk and high-frequency capacitors directly at the associated LQFP power pins, with short ground returns, and avoid sharing narrow return paths between analog, digital, and high-current loads. Check simultaneous switching activity, peripheral load current, and temperature rise under worst-case operating conditions before releasing the power tree.
Assign all 176 package positions from the manufacturer pin-description table rather than inferring unused connections. Keep oscillators on short routes away from high-current outputs, place decoupling capacitors on the component side of the board, and provide continuous ground-plane return paths. Review exposed-pad or thermal-pad requirements, if applicable to the selected package variant, and preserve the manufacturer's recommended via arrangement for thermal performance.
The 180 MHz core and high-pin-count package make disciplined routing important. Use the shortest practical paths for high-speed clocks and memory interfaces, maintain a continuous reference plane beneath routed signals, and avoid crossings between unrelated clock, communications, and analog nets. Validate edge rates, impedance, crosstalk, and external peripheral timing at the system level; successful operation at one clock frequency does not guarantee margin across every operating condition.
Do not treat an identical package name as proof that a different STM32 MPN is a drop-in replacement. Compare boot pins, supply pins, ground pins, oscillator pins, reset behavior, debug interfaces, peripheral multiplexing, interrupt assignments, and absolute electrical limits. For STM32F469 candidates, also account for the identified 1 MB versus 2 MB Flash difference and confirm application-code capacity before making a substitution.
Production firmware and recovery procedures must be validated for every selected alternative because boot configuration, peripheral availability, memory organization, and development-tool support may differ between STM32 families. Perform boundary tests for clock startup, low-power transitions, communications recovery, analog calibration, watchdog behavior, and flash programming. Treat the manufacturer datasheet and reference manual as the release authority for both the original and proposed replacement.
合規資訊
The available excerpts do not state the device's RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. The STM32F479IIT6 is an industrial-temperature MCU, but no AEC-Q100 qualification statement was identified.
