STM32F446ZET7 - 180MHz Cortex-M4 512KB MCU | STMicroelectronics
MPN: STM32F446ZET7 ✓ نشطSTM32F446ZET7 نظرة عامة
What is an ARM Cortex-M4 microcontroller? An ARM Cortex-M4 MCU is a microcontroller built around the ARM Cortex-M processor core, combining executable processing, memory, and peripherals on a single chip. The STM32F4 family uses this architecture for control-oriented embedded systems, while the Cortex-M4 core adds DSP instructions and an FPU for control, signal-processing, and communications workloads. STM32F446ZET7 is intended for embedded systems requiring substantial Flash storage and a broad peripheral set.
The verified manufacturer and distributor information identifies the STM32F446 line with 180 MHz operation, 225 DMIPS, 512 KB Flash, DSP and FPU support, dual Quad SPI, SDRAM, and audio interfaces. The target part is specified in a 144-LQFP package with a 20 x 20 mm body size. These features make it suitable for industrial control, communications equipment, audio and signal-processing systems, and connected embedded products.
The Cortex-M4 core supports real-time control workloads while the STM32F446 peripheral set expands system integration beyond basic GPIO. The dual Quad SPI interface can support multiple serial peripherals, while SDRAM and audio interfaces enable higher-memory or audio-capable designs. The STM32F446ZET7 combines these functions with 512 KB Flash for application code, constants, and embedded firmware assets.
Typical applications include industrial automation, motor and motion control, communications gateways, audio equipment, data acquisition, and embedded control platforms. The part can also serve as a development-platform MCU when firmware and peripheral requirements align with its 180 MHz performance and 144-LQFP footprint. Firmware portability should be verified because peripheral availability, pin multiplexing, clock configuration, and software support vary across STM32 variants.
A key design consideration is package and pin planning. The 144-LQFP footprint provides many external pins but requires careful PCB routing, decoupling, exposed-ground connectivity, and signal-integrity review. Designers should use the STMicroelectronics STM32F446 datasheet and reference manual for authoritative pin assignments, electrical limits, startup requirements, and peripheral configuration.
This page consolidates verified distributor and manufacturer information with package-level guidance, application context, and procurement-oriented metadata. Distributor pricing and availability can change, so compare current offers, stock status, lifecycle information, and authorized sourcing before placing production orders.
بدائل مباشرة لـ STM32F446ZET7 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع STM32F446ZET7 (نفس عامل الشكل والبصمة) — يختلف في Package, Core, ADC, SRAM, Flash Memory.
STM32F446ZET6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها✗ غير متوفر
$6.0455 / وحدة
عرض ورقة البيانات ←STM32F446ZET6TR
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32F446ZEH6
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32F407ZET6
✅ بديل مباشر✗ غير متوفر
$6.6023 / وحدة
عرض ورقة البيانات ←STM32F407ZGT6TR
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها✓ متوفر في المخزون
$5.25 / وحدة
عرض ورقة البيانات ←STM32F446ZET7 الحدود القصوى والخصائص الكهربائية
| Core | ARM Cortex-M4 |
| Architecture | 32-bit |
| أقصى تردد للساعة | 180 MHz |
| Compute Performance | 225 DMIPS |
| Flash Memory | 512 KB |
| Flash Organization | 512K x 8 |
| DSP Support | Yes |
| FPU Support | Yes |
| العلبة | 144-LQFP |
| Package Body Size | 20 x 20 mm |
| Quad SPI | Dual Quad SPI |
| SDRAM Interface | Yes |
| Audio Interface | Yes |
| نوع التركيب | Surface Mount |
| Operating Voltage | 3.3 V |
| Product Family | STM32F4 Series |
| Manufacturer Product Line | High-performance foundation line |
دليل تكوين أطراف STM32F446ZET7 20 x 20 mm
تكوين الأطراف لـ STM32F446ZET7 (حزمة 20 x 20 mm). تتضمن هذه الدائرة المتكاملة الرقمية GPIO وواجهات الاتصال (UART وSPI وI2C) وأطراف الطاقة. راجع ورقة بيانات الشركة المصنعة لوظائف الأطراف البديلة وخيارات التكوين. ضرورية لتصميم الأنظمة المدمجة وتخطيط PCB.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ STM32F446ZET7.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
STM32F446ZET7 مناسب لـ 6 التطبيقs: Industrial Automation Controller, Motor and Motion Control, Audio Signal Processing, Communications Gateway, Data Acquisition and Embedded Measurement, Embedded Control Platform.
Industrial Automation Controller
The STM32F446ZET7 fits industrial automation controllers that require deterministic real-time control at up to 180 MHz together with 512 KB Flash for application logic. Its Cortex-M4 DSP and FPU support can accelerate filtering, coordinate transforms, and control calculations, while the 144-LQFP package exposes a broad pin set for sensors, actuators, communication transceivers, and digital I/O. The device should be paired with properly conditioned I/O protection, isolated communication where required, and a power design verified against the official STM32F446 electrical documentation.
موصى به
Motor and Motion Control
Use STM32F446ZET7 in a motor-control or motion-control subsystem when the firmware benefits from a 180 MHz Cortex-M4 core and DSP-capable instruction set. The MCU can manage timing-sensitive control loops, position and speed feedback, PWM outputs, and communication tasks while retaining 512 KB Flash for control software and parameter storage. A practical implementation should isolate analog sensing, use appropriate gate drivers, validate current and voltage limits, and verify that every motor-control peripheral and pin is available in the selected package.
موصى به
Audio Signal Processing
STM32F446ZET7 is a suitable candidate for embedded audio processing because the STM32F446 family is identified with audio interfaces, DSP support, and an FPU. The 180 MHz core can execute signal-processing routines while 512 KB Flash stores firmware and control parameters. Designers should select the appropriate audio codec or interface companion, maintain clean analog and digital power rails, control clocking and grounding, and verify the exact audio peripherals, sample-rate limits, and pin multiplexing in the STM32F446 documentation.
موصى به
Communications Gateway
The STM32F446ZET7 can serve as a protocol-conversion or communications gateway MCU when a design benefits from 180 MHz processing, 512 KB Flash, and dual Quad SPI connectivity. It can coordinate serial links, local data transformation, status monitoring, and configuration handling across embedded networking equipment. For gateway designs, define buffering and latency requirements, validate protocol timing, provide proper clock and reset supervision, and verify that the selected transceiver, connector, and isolation components match the required industrial or communications environment.
موصى به
Data Acquisition and Embedded Measurement
STM32F446ZET7 is appropriate for embedded measurement systems that need a fast control MCU plus a substantial Flash memory footprint for acquisition logic, calibration data, and communications. The Cortex-M4 DSP and FPU features support mathematical processing of sampled data, while the STM32F446 interface set can connect to converters, sensors, and storage devices. A production design should control analog noise, synchronize sampling clocks, verify ADC and sensor limits from the full datasheet, and ensure the chosen package has all required pins exposed on the PCB.
موصى به
Embedded Control Platform
STM32F446ZET7 can support a compact embedded control platform with application firmware, peripheral control, communications, and diagnostics in one device. Its 512 KB Flash is useful for a richer control application than a small entry-level MCU, while the 180 MHz Cortex-M4 core provides scheduling margin for real-time tasks. Designers should use a conservative boot and watchdog strategy, implement brownout and reset handling, provide accessible recovery interfaces, and verify thermal and supply requirements across the complete operating environment.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ STM32F446ZET7 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | STM32F446ZET6 | STM32F446ZET6TR | STM32F446ZEH6 | STM32F407ZET6 | STM32F407ZGT6TR |
|---|---|---|---|---|---|---|
| Package | 144-LQFP | 144-LQFP | 144-LQFP | 144-LQFP | 144-LQFP | 144-LQFP |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 |
أبرز الفروقات
- Higher verified performance within the supplied STM32F446 data (مقابلSTM32F407ZET6)
- Dedicated high-speed serial and memory-oriented peripherals (مقابلSTM32F407ZET6)
- 512 KB Flash target in a 144-LQFP package (مقابلSTM32F446ZEH6)
ملاحظات التصميم
Use the official STM32F446 electrical documentation to define the complete supply, decoupling, reset, and power-sequencing requirements. The verified data identifies a 3.3 V device, but the production design must not infer every rail tolerance or pin current from distributor snippets. Place required capacitors close to the relevant supply pins, provide a low-impedance ground reference, and verify startup and brownout behavior with the selected regulator and load.
Plan the 144-LQFP footprint with adequate escape routing for all selected peripherals and maintain continuous ground references beneath and around the device. Separate noisy switching or high-current paths from sensitive analog and clock inputs, and use short return paths for high-speed signals. Because the verified data does not provide a complete pinout, use the official package drawing before assigning nets or checking alternate-function conflicts.
Treat clock, SPI, audio, and other high-speed interfaces according to the STM32F446 datasheet timing and the external device requirements. Control trace geometry, termination, impedance, and return-path continuity based on the actual edge rate rather than only the 180 MHz CPU clock. Validate signal integrity with an oscilloscope and, where necessary, an eye-diagram or protocol-specific test fixture before production release.
Do not treat another STM32 part as drop-in solely because it uses an ARM Cortex-M core and has a similar LQFP package. Peripheral mapping, memory configuration, voltage limits, timer resources, bootloader behavior, and firmware support must be compared. The supplied cross-reference results do not provide a fully verified replacement list, so qualify any substitute through schematic review, pin mapping, timing analysis, and firmware regression testing.
Validate junction temperature, supply dissipation, and ambient-temperature limits using the actual clock, I/O activity, load, and board construction. The supplied data does not include thermal resistance or power-loss figures, so no numerical thermal conclusion should be inferred. Measure temperature under worst-case operating conditions and ensure the LQFP solder joints, vias, and copper paths support the required production profile.
معلومات الامتثال
Compliance status was not included in the verified manufacturer or distributor snippets. Confirm RoHS, REACH, AEC-Q100, lead-free, halogen-free, and conflict-minerals status using current STMicroelectronics product documentation or supplier declarations.
