STM32F411RET6U - 100MHz Cortex-M4 512KB MCU | STMicroelectronics
料号： STM32F411RET6U ✗ 停产| 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 |
STM32F411RET6U 概述
A microcontroller is a programmable system-on-chip that integrates a processor core, memory, peripherals, and interface circuitry into one semiconductor package. The STM32F411 belongs to the STM32F4 family and combines an embedded ARM Cortex-M4 core, floating-point hardware, serial interfaces, timers, and connectivity functions. It is designed for embedded control, data acquisition, communication, and compact consumer or industrial products.
Key verified features include a 32-bit Cortex-M4 processor, 100 MHz maximum operating frequency, 512 KB Flash, 128 KB RAM, and USB OTG FS. The provided search data also describes 125 DMIPS and identifies the package as 64-LQFP. The ARM Cortex-M4 core provides a compact instruction set and efficient real-time execution, while the hardware FPU accelerates suitable floating-point operations without requiring a separate coprocessor.
The STM32F411RET6U is positioned for designs that require moderate embedded processing performance, USB connectivity, and a conventional leaded package. Its 64-LQFP construction supports visual inspection and prototyping workflows more readily than many fine-pitch land-grid-array packages, while still providing a substantial pin count for external sensors, actuators, communications, and memory.
Typical applications include USB-connected control systems, compact sensor nodes, industrial instrumentation, consumer accessories, motor-control peripherals, and communication equipment. Designers should verify voltage levels, clock configuration, pin multiplexing, power sequencing, decoupling, and peripheral assignments against the manufacturer datasheet before production release.
For a new design, the STM32F411RET6U is appropriate when the system needs a 100 MHz Cortex-M4 class MCU, 512 KB Flash, 128 KB RAM, and USB OTG FS without requiring the larger memory or peripheral set of an STM32F405 or STM32F407. A pin-compatible replacement should be selected only after checking the exact package, pin multiplexing, clock tree, interrupt mapping, and peripheral population.
This product record combines verified distributor and manufacturer search results with application guidance, source links, and explicit data gaps. It is intended to help engineers identify the correct STM32F411RET6U package and assess whether its verified resources match the target system.
直接替换替代料： STM32F411RET6U ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM32F411RET6U （相同外形与封装尺寸） ——差异在于 Core, Flash Memory, Package.
快速对比工具——选择替代料号进行并排对比：
STM32F405RGT6
✅ 直接替换✓ 有现货
$6.75 / 个
查看数据手册 →STM32F411RET6U 最大额定值与电气特性
| Product Type | 32-bit ARM Cortex-M4 microcontroller with FPU |
| Series | STM32F4 |
| Maximum CPU Frequency | 100 MHz |
| Flash Memory | 512 KB |
| Flash Organization | 512K x 8 |
| RAM | 128 KB |
| Instruction Throughput | 125 DMIPS |
| Connectivity | USB OTG FS |
| 封装 | 64-LQFP |
| Package Dimensions | 10 x 10 mm |
| 安装类型 | Surface mount |
| Core | ARM Cortex-M4 |
| Architecture | 32-bit RISC |
STM32F411RET6U 10 x 10 mm 引脚配置指南
STM32F411RET6U（10 x 10 mm 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： STM32F411RET6U.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32F411RET6U 适用于 6 应用s: USB-Connected Control Device, Compact Industrial Sensor Node, USB Audio and Measurement Front End, Motor and Peripheral Control, Portable Consumer Accessory, Communication Gateway Module.
USB-Connected Control Device
STM32F411RET6U is well matched to a USB-connected controller that needs a 100 MHz ARM Cortex-M4 core, 512 KB Flash, and 128 KB RAM. USB OTG FS provides a defined connectivity path for configuration, logging, or a device-class interface. The 64-LQFP package leaves accessible leads for buttons, status indicators, sensors, and external interface logic. Confirm USB power, transceiver, impedance, firmware support, and device-class requirements in the STMicroelectronics documentation.
推荐
Compact Industrial Sensor Node
The STM32F411RET6U can serve as the local control processor for a compact sensor node because its 100 MHz Cortex-M4 core and 128 KB RAM provide room for sampling, filtering, and communications firmware. The verified 512 KB Flash supports embedded application code and configuration tables. Its 64-LQFP package is convenient for prototype boards and through-hole visual inspection. Industrial use requires confirmation of operating temperature, ESD, isolation, and environmental compliance.
推荐
USB Audio and Measurement Front End
The MCU's 100 MHz Cortex-M4 processor and USB OTG FS interface make STM32F411RET6U a candidate for a measurement or audio-control peripheral that exchanges data over USB. Its 128 KB RAM can buffer application data, while the 64-LQFP package simplifies connection to external converters, clocks, and control signals. The verified data does not state audio converters or DAC specifications, so engineers must add and validate those components separately.
推荐
Motor and Peripheral Control
STM32F411RET6U is appropriate for a compact motor or peripheral controller where real-time firmware, timers, and multiple external connections are required. The 64-lead package provides more physical connection points than a 48-pin UFQFPN alternative, and the 100 MHz core supports responsive control tasks. Motor-drive design still requires verified timer mappings, logic-level checks, protection components, current sensing, and thermal analysis against the complete datasheet.
推荐
Portable Consumer Accessory
The STM32F411RET6U can support a portable consumer accessory that needs USB connectivity and a moderate embedded application workload. Its 512 KB Flash and 128 KB RAM provide more application storage than typical entry-level MCUs, while the 100 MHz Cortex-M4 core handles user-interface logic and device management. The verified package is 64-LQFP, so battery-powered designs must also verify sleep modes, current consumption, and board-level power behavior in the manufacturer documentation.
推荐
Communication Gateway Module
STM32F411RET6U is a viable gateway controller for a compact communication module that must translate between USB and an external serial interface. The Cortex-M4 core can manage protocol processing and buffering, while USB OTG FS supports a standardized host or device connection. The verified source does not specify individual UART, SPI, I2C, or CAN pin assignments, so the designer must confirm multiplexing and electrical levels directly from the STM32F411 documentation.
推荐
推荐产品汇总
工程参考数据： STM32F411RET6U ——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 | STM32F405RGT6 | STM32F411CEU6 | STM32F411CCY6TR |
|---|---|---|---|---|
| Package | 64-LQFP | 64-LQFP | UFQFPN-48 | WLCSP |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Nominal Application | Embedded control and USB connectivity | Higher-memory embedded control | Smaller embedded package option | Compact embedded package option |
关键差异点
- Verified 100 MHz Cortex-M4 performance class （对比 STM32F405RGT6)
- Larger 64-LQFP package and verified memory configuration （对比 STM32F411CEU6)
- USB OTG FS connectivity （对比 STM32F411CCY6TR)
设计说明
Verify the complete STM32F411RET6U supply-voltage range and current limits from the manufacturer datasheet before selecting regulators or USB power paths. The verified data confirms a 100 MHz MCU, 512 KB Flash, and 128 KB RAM but does not provide operating-voltage values. Add the required local decoupling directly at the supply pins and validate startup behavior across the required load and temperature conditions.
The part is specified in a 64-LQFP package measuring 10 x 10 mm. Before routing the PCB, download the exact STMicroelectronics package drawing and land pattern, confirm pin numbering and exposed assembly requirements, and maintain appropriate solder-mask and copper clearances. The supplied search data does not provide a complete pinout, so do not infer alternate-function assignments from the package name.
Plan USB and high-speed communication traces with controlled impedance, short return paths, and a continuous reference plane. Although USB OTG FS is listed as a device feature, the supplied data does not specify transceiver topology or exact electrical limits. Confirm the USB PHY requirements, connector protection, cable routing, and firmware support in the official STM32F411 documentation before PCB sign-off.
Do not treat an STM32 family member in a different package as a drop-in substitute. The supplied search results explicitly describe STM32F411CEU6 as UFQFPN-48 and STM32F411CCY6TR as WLCSP, while the target is 64-LQFP. Even a same-family device can differ in I/O count, alternate functions, memory, and firmware device configuration; validate the exact orderable MPN before substitution.
合规信息
The supplied verified web data does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Compliance must be confirmed using current STMicroelectronics documentation.
