STM32F446MCY6TR - 180MHz Cortex-M4 MCU | STMicroelectronics
料号： STM32F446MCY6TR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
STM32F446MCY6TR 概述
A microcontroller, or MCU, is a semiconductor device that integrates a processor core, memory, peripherals, and communication interfaces into one compact component. The STM32F446 belongs to the STM32F4 high-performance family and is positioned above simpler control MCUs: its Cortex-M4 core supports digital signal processing and floating-point work, while the STM32 ecosystem provides development tools, firmware libraries, and board resources.
The verified distributor listing identifies the device as a 32-bit Cortex-M4 MCU with 180 MHz operation and 256 KB of Flash. The STMicroelectronics family page also identifies the STM32F446 line with dual Quad SPI, SDRAM, and audio interfaces. These features make it suitable for systems requiring substantial peripheral connectivity alongside real-time control, signal processing, communications, or external-memory access.
The device can serve as the central controller in industrial automation, audio equipment, communications infrastructure, instrumentation, and connected embedded products. Its 180 MHz execution rate provides more compute headroom than lower-frequency general-purpose MCUs, while DSP instructions and an FPU are valuable for filtering, control loops, and other arithmetic-intensive workloads. Peripheral requirements must still be checked against the exact package pinout and device datasheet.
A key design consideration is software and peripheral migration. Firmware should be developed against the exact STM32F446 device definition, clock tree, memory map, and CubeMX configuration rather than assuming compatibility with every STM32F4 member. Power sequencing, decoupling, exposed-ball access, programming, and signal-integrity requirements depend on the verified 81-WLCSP layout and board design.
This page consolidates the supplied distributor and manufacturer findings with explicit data gaps, rather than inventing specifications. It also avoids presenting generic STM32 cross-references as true drop-in replacements because the supplied search results did not verify same-package, pin-to-pin alternatives.
STM32F446MCY6TR 最大额定值与电气特性
| Product Type | 32-bit ARM Cortex-M4 microcontroller |
| Maximum CPU Frequency | 180 MHz |
| Core | Arm Cortex-M4 |
| Instruction Width | 32 bit |
| Flash Memory | 256 KB |
| Flash Organization | 256K x 8 |
| Family Performance | 225 DMIPS |
| Digital Signal Processing | Supported |
| Floating-Point Unit | Supported |
| Quad-SPI Interfaces | 2 |
| SDRAM Interface | Supported |
| Audio Interface | Supported |
| 封装 | 81-pin WLCSP |
| Operating Supply | 2.5 V / 3.3 V |
| Shipping Package | Tape and reel |
STM32F446MCY6TR tape and reel 引脚配置指南
STM32F446MCY6TR（tape and reel 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： STM32F446MCY6TR.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32F446MCY6TR 适用于 6 应用s: Industrial Automation and Motor Control, Digital Audio and Signal Processing, High-Speed Serial Data Acquisition, Communications and Networked Embedded Equipment, External Memory and SDRAM Systems, Test and Measurement Instruments.
Industrial Automation and Motor Control
The STM32F446MCY6TR fits high-speed embedded control when a design needs more arithmetic capability than a basic MCU. Its Arm Cortex-M4 core runs up to 180 MHz, and the STM32F446 family result identifies 225 DMIPS performance, DSP instructions, and an FPU. These resources support real-time control loops, digital filtering, and supervisory logic while two Quad-SPI interfaces provide high-speed peripheral connectivity. The MCU would normally manage sensors, actuators, communications, and safety monitoring around its control tasks. Its 81-pin WLCSP package demands careful PCB assembly and inspection, however, so industrial adoption should verify the exact I/O map, operating-temperature grade, and qualification status before design release.
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Digital Audio and Signal Processing
STM32F446MCY6TR is well suited to digital-audio workloads that combine real-time control with numerical processing. The Cortex-M4 core operates up to 180 MHz, while DSP instructions and the hardware FPU can accelerate filtering and other arithmetic-heavy operations. STMicroelectronics' supplied family information specifically identifies audio interfaces, giving the design path for external codecs, converters, or digital audio transport. The MCU can divide work between audio acquisition, signal transformation, buffering, and communications. Designers must still verify which audio interface pins are available in the 81-WLCSP package and confirm external clocking, impedance control, grounding, and codec-interface timing against the exact datasheet.
推荐
High-Speed Serial Data Acquisition
The STM32F446MCY6TR can act as the processing center in compact, high-throughput acquisition systems. Its two Quad-SPI interfaces, identified by STMicroelectronics for the STM32F446 family, can connect serial memory or peripheral devices and reduce the need for parallel data buses. At up to 180 MHz, the Cortex-M4 core can buffer transfers, execute digital processing, and forward results through other communications peripherals. This architecture is relevant to instrumentation and portable measurement products where board area is constrained. Exact SPI instance availability, pin multiplexing, DMA behavior, signal timing, and exposed WLCSP-ball accessibility must be checked for the selected board because the supplied data does not provide a complete pin map.
推荐
Communications and Networked Embedded Equipment
STM32F446MCY6TR can support communications gateways, protocol processors, and embedded network equipment because its 180 MHz Cortex-M4 core provides real-time response while DSP and FPU resources improve arithmetic-heavy protocol or control work. Two Quad-SPI interfaces can accelerate access to network processors, flash, or other high-speed serial components, leaving the MCU to manage buffers and system state. The device is therefore suitable for systems that need more control capability than a low-end communications MCU. A design must still confirm Ethernet MAC, PHY, USB, UART, and other interface availability in the exact 81-ball ordering code. The verified snippets do not establish Ethernet support, so software and board decisions must not rely on that feature without official confirmation.
推荐
External Memory and SDRAM Systems
The STM32F446MCY6TR is appropriate when firmware, trace buffers, graphics assets, or sampled data exceed comfortable internal-memory limits. The supplied STMicroelectronics family result explicitly identifies SDRAM support, while 256 KB of verified internal Flash provides room for startup code, configuration, and application firmware. A system can use external SDRAM for larger working buffers and use one of the two family Quad-SPI interfaces for nonvolatile storage or additional peripherals. This partitioning can reduce the need to choose a larger-pin-count MCU. Integration still demands exact pinout review, memory timing configuration, address mapping, controlled-impedance routing, power sequencing, and decoupling based on the selected SDRAM device and STM32F446 configuration.
推荐
Test and Measurement Instruments
STM32F446MCY6TR offers the processing throughput needed for responsive embedded instruments. The 180 MHz Cortex-M4 core can run acquisition control, calibration, filtering, and user-interface tasks, while DSP instructions and the FPU improve numerical throughput for measurement algorithms. Two Quad-SPI interfaces can connect serial data converters, memory, or display-related peripherals, reducing parallel-bus pressure. The MCU is particularly relevant to portable or compact instruments where an 81-pin WLCSP package can simplify component density compared with a larger leaded package. Designers must account for analog isolation, reference accuracy, input protection, connector mechanics, grounding, and exact exposed-ball accessibility. These analog and mechanical requirements are outside the verified digital feature summary and need separate design validation.
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推荐产品汇总
工程参考数据： STM32F446MCY6TR ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 |
|---|---|
| Package | 81-pin WLCSP |
| Brand | STMicroelectronics |
| Processor Core | Arm Cortex-M4 |
| Maximum Frequency | 180 MHz |
| Flash Memory | 256 KB (256K x 8) |
| Family Performance | 225 DMIPS |
| DSP and FPU | DSP and FPU supported |
| Quad-SPI Interfaces | 2 |
| SDRAM and Audio | SDRAM and audio interfaces supported by the STM32F446 family |
关键差异点
- High-frequency Cortex-M4 processing （对比 Generic Cortex-M alternatives)
- Integrated high-speed serial resources （对比 MCUs limited to basic serial peripherals)
- External-memory and audio support （对比 Lower-feature general-purpose MCUs)
- Numerical-processing hardware （对比 Cortex-M3-based control devices)
设计说明
Treat the STM32F446MCY6TR as a fine-pitch WLCSP design problem. Confirm ball pitch, pad geometry, solder-mask definition, paste volume, component placement orientation, and the manufacturer's land pattern before layout release. Route escape traces using the intended footprint library, keep high-speed nets short, and provide inspection access because leadless balls can be difficult to verify optically after assembly.
Define the complete power tree before assigning pins or starting firmware. The supplied data identifies 2.5 V and 3.3 V operation but does not expose exact core and I/O voltage domains, regulator requirements, or absolute maximum ratings. Verify those details in the official ordering-code information, then place local bulk and high-frequency decoupling close to the appropriate supply balls while keeping sensitive return paths quiet.
Create the MCU-centered fanout from the verified 81-ball pinout rather than from a generic STM32F4 drawing. Separate clock, high-speed serial, and sensitive analog nets from switching-power paths, preserve return continuity, and keep external-memory routes short where supported bandwidth matters. SDRAM and Quad-SPI interfaces require deliberate topology and timing review; nominal 180 MHz CPU operation does not guarantee compliant signal integrity without the correct physical design.
Do not assume that every STM32F4 member is firmware- or pin-compatible. Use the exact STM32F446MCY6TR device definition in STM32CubeMX or STM32CubeIDE, then review clock, DMA, GPIO, alternate-function, bootloader, and peripheral assignments against the manufacturer documentation. Also verify the 256 KB Flash figure against the ordered suffix; the supplied snippets do not establish RAM size, exact I/O count, or operating-temperature grade.
合规信息
The supplied manufacturer and distributor snippets do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than inferred.
