STM32F446RCT7 - 180MHz Cortex-M4 MCU, 256KB Flash | STMicroelectronics
MPN: STM32F446RCT7 ✓ Hoạt độngSTM32F446RCT7 Tóm tắt
A microcontroller is a programmable system-on-chip that integrates a CPU core, memory, peripherals, and interface controllers onto one package. STM32 devices use the ARM Cortex-M architecture within a broader embedded-computing hierarchy: STM32F4 high-performance MCU -> ARM Cortex-M4 MCU -> 32-bit RISC processor -> embedded microcontroller. The STM32F446RCT7 is suited to systems requiring real-time control, data acquisition, communications, and moderate floating-point processing.
Key verified features include a 180 MHz maximum operating frequency, 256 KB Flash memory, ARM Cortex-M4 core technology, and a 64-pin LQFP package. The Cortex-M4 core includes DSP and FPU capabilities according to the distributor and manufacturer descriptions. These features support responsive control loops and compact embedded applications without requiring a separate processor for many numerical tasks.
The STM32F446xC/E family is identified by STMicroelectronics as a high-performance Arm Cortex-M4 32-bit RISC family, with devices operating up to 180 MHz. The 64-LQFP package provides a substantial pin count for external peripherals, while the 256 KB Flash capacity provides room for application firmware and embedded software. Exact peripheral details, voltage limits, memory breakdown, and temperature limits were not included in the supplied verified data and should be taken from the manufacturer datasheet before design release.
Typical application directions include industrial automation, consumer electronics, medical devices, communications equipment, and embedded control systems. The STM32F446RCT7 is particularly relevant where real-time processing, control peripherals, communications, and a compact surface-mount package are required. The 180 MHz Cortex-M4 core also makes it a candidate for signal acquisition, motor-control assistance, and connected embedded systems, subject to peripheral and electrical verification.
When designing a board around the STM32F446RCT7, engineers should use the official pinout and package drawing rather than relying on generic STM32F4 assumptions. Confirm the exact pin multiplexing, power requirements, decoupling network, clock plan, exposed programming interfaces, and peripheral assignments against the manufacturer documentation. A same-package replacement must also be checked for identical pin functions, memory requirements, electrical limits, and software-support requirements before substitution.
This page consolidates the verified manufacturer and distributor descriptions for the STM32F446RCT7 and separates confirmed data from parameters requiring datasheet confirmation. It also records cross-reference leads and engineering-use guidance without treating generic STM32 alternatives as guaranteed drop-in replacements.
Bộ thay thế dễ dàng lắp đặt cho STM32F446RCT7 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với STM32F446RCT7 (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, SRAM, ADC, Flash Memory.
STM32F407VET6TR
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →STM32F407VGT6TR
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →STM32F429VGT6
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →STM32F405VGT6TR
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →STM32F103RET7
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →STM32F446RCT7 Tỷ lệ tối đa & tính chất điện
| Product Type | 32-bit ARM Cortex-M4 microcontroller |
| CPU Core | ARM Cortex-M4 |
| Architecture | 32-bit RISC |
| Maximum CPU Frequency | 180 MHz |
| Flash Memory | 256 KB |
| Floating-Point Unit | FPU |
| DSP Capability | DSP |
| Hộp | 64-LQFP (10 x 10 mm) |
| Package Family | LQFP |
| Kiểu lắp đặt | Surface mount |
| Số chân | 64 pins |
| Core Classification | High-performance foundation line |
| Series | STM32F4 |
| Device Family | STM32F446xC/E |
Hướng dẫn cấu hình chân STM32F446RCT7 lqfp
Cấu hình chân cho STM32F446RCT7 (lqfp gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho STM32F446RCT7.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
STM32F446RCT7 phù hợp cho 6 Áp dụngs: Industrial Automation Controller, Connected Embedded Device, Medical Instrument Control, Sensor Data Acquisition, Audio Signal Processing, Motor and Power-System Control.
Industrial Automation Controller
The STM32F446RCT7 fits industrial automation applications that require responsive control logic and manageable firmware capacity. Its ARM Cortex-M4 core operates up to 180 MHz, while the verified product descriptions identify DSP and FPU capability for numerical processing. The 256 KB Flash provides room for control firmware, parameter tables, diagnostics, and communication handlers, while the 64-LQFP package exposes more pins than many compact MCU packages. A production design must still verify voltage, temperature, isolation, communications peripherals, watchdog behavior, and industrial compliance requirements in the official datasheet.
Được đề xuất
Connected Embedded Device
STM32F446RCT7 is suitable as the central controller for a connected embedded device when an application needs more processing headroom than a basic low-end MCU. The 180 MHz Cortex-M4 core can service protocol state machines, control logic, and real-time tasks, while the 256 KB Flash supports a larger application image than many constrained devices. The 64-LQFP package offers access to multiple I/O and alternate-function pins, but actual communications availability must be checked against the exact device documentation. Power management, antenna or transceiver integration, security, and protocol testing remain board-level responsibilities.
Được đề xuất
Medical Instrument Control
The STM32F446RCT7 can be evaluated for medical-instrument control and monitoring products that need deterministic embedded processing. Its Cortex-M4 core, FPU, and DSP capability are useful for sensor conditioning, digital filtering, and control algorithms, while 256 KB of Flash supports compact application firmware. The verified data does not establish medical regulatory qualification, so the component must not be treated as automatically approved for a medical design. Engineers should verify electrical limits, reliability information, safety requirements, traceability, firmware validation, and applicable regulatory obligations for the intended use.
Được đề xuất
Sensor Data Acquisition
STM32F446RCT7 can serve as a high-performance data-acquisition controller when a design combines timed sampling, digital filtering, and local control. The 180 MHz Cortex-M4 core provides processing capacity for sensor fusion and DSP-related operations, and the FPU can reduce the computational burden of floating-point control and filtering. The 256 KB Flash supports acquisition firmware and calibration logic, but the supplied data does not verify the exact ADC count, converter resolution, sampling interfaces, or analog supply range. Those details must be confirmed before selecting the MCU for a precision measurement design.
Được đề xuất
Audio Signal Processing
The STM32F446RCT7 can be evaluated for audio signal-processing and control tasks where real-time computation is needed alongside embedded peripherals. The Cortex-M4 core, FPU, and DSP capability are relevant to filtering, mixing, control, and signal-chain management. The 256 KB Flash provides storage for control code, lookup tables, and configuration data, although the verified data does not specify external audio interfaces or memory requirements. Audio designs must verify codec interfaces, sample-rate support, clocking, DMA behavior, electromagnetic performance, and analog signal integrity against the full manufacturer documentation.
Được đề xuất
Motor and Power-System Control
STM32F446RCT7 is a candidate for supervisory motor-control and power-system applications because its 180 MHz Cortex-M4 core can execute fast control loops and its DSP and FPU features support numerical calculations. The 64-LQFP package provides a broad pin budget for control outputs, feedback inputs, communications, and fault signaling. Actual motor-control suitability depends on the exact timer outputs, complementary outputs, ADC resources, break inputs, and timing features available for the selected package. Those peripheral claims, voltage limits, and safety-related shutdown behavior must be verified in the official STM32F446 documentation before power-stage design begins.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho STM32F446RCT7 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | STM32F407VET6TR | STM32F407VGT6TR | STM32F429VGT6 | STM32F405VGT6TR | STM32F103RET7 |
|---|---|---|---|---|---|---|
| Package | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| CPU Core | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M3 |
| Verified Drop-In Status | Target device | Not verified by supplied cross-reference data | Not verified by supplied cross-reference data | Not verified by supplied cross-reference data | Not verified by supplied cross-reference data | Not verified by supplied cross-reference data |
Bảo phân biệt quan trọng
- High-frequency Cortex-M4 processing with integrated DSP and FPU support (vsSTM32F103RET7)
- 256 KB Flash memory in a 64-LQFP package (vsSTM32F407VET6TR)
- 64-pin package provides a broad external interface budget (vsSTM32F407VGT6TR)
Ghi chú thiết kế
Do not design the power tree from the 180 MHz headline frequency alone. Confirm the STM32F446RCT7 supply range, absolute maximum limits, internal regulator requirements, and peripheral-specific current limits in the manufacturer datasheet. Place local decoupling capacitors at the device power pins according to the official recommended layout, provide a low-impedance ground reference, and verify startup sequencing for external regulators, transceivers, sensors, and memory. The supplied data does not include voltage values, so these values must not be guessed.
Use the official 64-LQFP 10 x 10 mm package drawing to create the footprint and pin map. Confirm pad dimensions, pin numbering, thermal or exposed-pad treatment, and assembly tolerances against the current STMicroelectronics package documentation. Preserve access to programming and debug pins, keep sensitive clock and sensor routes away from switching nodes, and route decoupling directly to the relevant pins. A mechanically similar LQFP footprint does not prove that an alternative MCU is pin-compatible.
Plan the clock, reset, and debug paths before finalizing the PCB. The verified material confirms a 180 MHz Cortex-M4 core but does not specify the external clock, crystal, PLL, or reset topology. Follow the manufacturer reference circuit and layout guidance for the selected clock source. Keep the reset path short, provide appropriate pull components only where the official design calls for them, and isolate high-current loads so switching transitions do not corrupt timing, ADC measurements, or communications signals.
Do not treat STM32F4 family similarity as proof that another device is a drop-in replacement. Before replacing STM32F446RCT7, compare every package pin, alternate function, power pin, ground pin, reset behavior, clock requirement, memory capacity, peripheral assignment, electrical limit, and software driver requirement. The supplied alternatives data contains search leads but no verified cross-reference matrix. A candidate should remain a redesign candidate until confirmed by manufacturer documentation and prototype testing.
Thông tin tuân thủ
The supplied verified data does not explicitly provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 is marked not_applicable only because no automotive qualification claim was provided; this is not an automotive qualification decision. Verify current compliance documents on the STMicroelectronics product page or with the authorized distributor.
