STM32F401RDT6 - 84MHz ARM Cortex-M4F MCU, 512KB Flash | STMicroelectronics
料号： STM32F401RDT6 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.5 | $6.50 |
| 10 | $5.85 | $58.50 |
| 100 | $5.2 | $520.00 |
| 500 | $4.68 | $2,340.00 |
| 1,000 | $4.16 | $4,160.00 |
STM32F401RDT6 概述
What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (Flash and SRAM), and programmable input/output peripherals on a single chip. The STM32F401RDT6 belongs to the STM32F4 family, which is part of the broader STM32 32-bit ARM Cortex-M microcontroller portfolio. This hierarchy places it within the ARM Cortex-M4F category, known for its DSP instructions and single-precision floating-point unit, enabling efficient signal processing and control tasks.
Key features of the STM32F401RDT6 include an ARM Cortex-M4F core with FPU, 512 KB of Flash memory, 96 KB of SRAM, and a comprehensive set of peripherals: multiple USARTs, SPIs, I2Cs, ADCs, timers, and a USB 2.0 OTG FS interface. It supports a wide supply voltage range of 1.7V to 3.6V and operates over a temperature range of -40°C to +85°C. The device also features a rich set of low-power modes, including Sleep, Stop, and Standby, making it suitable for battery-powered applications.
Technically, the STM32F401RDT6 is built on a 90nm process technology, offering a good balance between performance and power consumption. The Cortex-M4F core with FPU accelerates mathematical computations, while the ART Accelerator™ enables zero-wait-state execution from Flash memory, improving real-time performance. The device includes a 12-bit ADC with up to 16 channels, advanced timers for PWM generation, and a DMA controller for efficient data transfer without CPU intervention.
Typical applications include industrial control systems, motor drives, consumer electronics, IoT devices, and medical monitoring equipment. Its rich peripheral set and FPU make it ideal for applications requiring real-time signal processing, such as audio processing, sensor fusion, and closed-loop control. The USB OTG interface enables direct connectivity to hosts or peripherals, simplifying system design.
When designing with this MCU, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to each VDD pin, and a 4.7uF bulk capacitor. The VDDA pin should be connected to a clean analog supply, and the VREF+ pin to a stable reference voltage for accurate ADC conversions. Also, consider the crystal oscillator layout for the HSE to minimize noise and ensure reliable startup.
直接替换替代料： STM32F401RDT6 ——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： STM32F401RDT6 （相同外形与封装尺寸） ——差异在于 Timers, Core, ADC, Flash Memory, Package.
快速对比工具——选择替代料号进行并排对比：
STM32F401RCT6
✅ 直接替换✓ 有现货
$2.65 / 个
查看数据手册 →STM32F401RET6
✅ 直接替换✓ 有现货
$9.8481 / 个
查看数据手册 →STM32F411RET6
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.02 / 个
查看数据手册 →STM32F405RGT6
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$6.75 / 个
查看数据手册 →ATSAMD51J19A
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32F401RDT6 最大额定值与电气特性
| Core | ARM Cortex-M4F with FPU |
| Maximum Clock Speed | 84 MHz |
| Flash Memory | 512 KB |
| SRAM | 96 KB |
| Supply Voltage Range | 1.7 V to 3.6 V |
| 工作温度范围 | -40C to +85C |
| 封装 | LQFP64 (10x10 mm) |
| Number of I/O Pins | 50 |
| ADC | 12-bit, 16 channels |
| Timers | 11 (including advanced-control, general-purpose, and basic) |
| USART | 3 |
| SPI | 4 |
| I2C | 3 |
| USB | USB 2.0 OTG FS |
| DMA | 16 channels |
| Low-Power Modes | Sleep, Stop, Standby |
| RoHS 状态 | Compliant |
STM32F401RDT6 引脚配置
| 引脚 1 | VBAT — Battery backup supply |
| 引脚 2 | PC13 — GPIO / RTC output |
| 引脚 3 | PC14 — GPIO / OSC32_IN |
| 引脚 4 | PC15 — GPIO / OSC32_OUT |
| 引脚 5 | PF0 — GPIO / OSC_IN |
| 引脚 6 | PF1 — GPIO / OSC_OUT |
| 引脚 7 | NRST — Reset (active low) |
| 引脚 8 | VDD — Digital power supply |
| 引脚 9 | VSS — Ground |
| 引脚 10 | PA0 — GPIO / ADC_IN0 |
| 引脚 11 | PA1 — GPIO / ADC_IN1 |
| 引脚 12 | PA2 — GPIO / USART2_TX |
| 引脚 13 | PA3 — GPIO / USART2_RX |
| 引脚 14 | PA4 — GPIO / SPI1_NSS |
| 引脚 15 | PA5 — GPIO / SPI1_SCK |
| 引脚 16 | PA6 — GPIO / SPI1_MISO |
| 引脚 17 | PA7 — GPIO / SPI1_MOSI |
| 引脚 18 | PB0 — GPIO / ADC_IN8 |
| 引脚 19 | PB1 — GPIO / ADC_IN9 |
| 引脚 20 | PB2 — GPIO / BOOT1 |
| 引脚 21 | PB10 — GPIO / I2C2_SCL |
| 引脚 22 | PB11 — GPIO / I2C2_SDA |
| 引脚 23 | VSS — Ground |
| 引脚 24 | VDD — Digital power supply |
| 引脚 25 | PB12 — GPIO / SPI2_NSS |
| 引脚 26 | PB13 — GPIO / SPI2_SCK |
| 引脚 27 | PB14 — GPIO / SPI2_MISO |
| 引脚 28 | PB15 — GPIO / SPI2_MOSI |
| 引脚 29 | PC6 — GPIO / TIM3_CH1 |
| 引脚 30 | PC7 — GPIO / TIM3_CH2 |
| 引脚 31 | PC8 — GPIO / TIM3_CH3 |
| 引脚 32 | PC9 — GPIO / TIM3_CH4 |
| 引脚 33 | PA8 — GPIO / TIM1_CH1 |
| 引脚 34 | PA9 — GPIO / USART1_TX |
| 引脚 35 | PA10 — GPIO / USART1_RX |
| 引脚 36 | PA11 — GPIO / USB_DM |
| 引脚 37 | PA12 — GPIO / USB_DP |
| 引脚 38 | PA13 — SWDIO |
| 引脚 39 | VSS — Ground |
| 引脚 40 | VDD — Digital power supply |
| 引脚 41 | PA14 — SWCLK |
| 引脚 42 | PA15 — GPIO / JTDI |
| 引脚 43 | PB3 — GPIO / JTDO |
| 引脚 44 | PB4 — GPIO / NJTRST |
| 引脚 45 | PB5 — GPIO / I2C1_SMBA |
| 引脚 46 | PB6 — GPIO / I2C1_SCL |
| 引脚 47 | PB7 — GPIO / I2C1_SDA |
| 引脚 48 | BOOT0 — Boot mode selection |
| 引脚 49 | PB8 — GPIO / I2C1_SCL |
| 引脚 50 | PB9 — GPIO / I2C1_SDA |
| 引脚 51 | VSS — Ground |
| 引脚 52 | VDD — Digital power supply |
| 引脚 53 | PC0 — GPIO / ADC_IN10 |
| 引脚 54 | PC1 — GPIO / ADC_IN11 |
| 引脚 55 | PC2 — GPIO / ADC_IN12 |
| 引脚 56 | PC3 — GPIO / ADC_IN13 |
| 引脚 57 | PC4 — GPIO / ADC_IN14 |
| 引脚 58 | PC5 — GPIO / ADC_IN15 |
| 引脚 59 | PB12 — GPIO / SPI2_NSS |
| 引脚 60 | PB13 — GPIO / SPI2_SCK |
| 引脚 61 | PB14 — GPIO / SPI2_MISO |
| 引脚 62 | PB15 — GPIO / SPI2_MOSI |
| 引脚 63 | VSS — Ground |
| 引脚 64 | VDD — Digital power supply |
典型应用
STM32F401RDT6 适用于 6 应用s: Industrial Control Systems, IoT Edge Devices, Consumer Electronics, Medical Monitoring Equipment, Audio Processing, Robotics and Drones.
Industrial Control Systems
The STM32F401RDT6 is ideal for industrial control systems due to its 84 MHz Cortex-M4F core with FPU, which accelerates PID control algorithms and real-time processing. Its advanced timers generate precise PWM signals for motor drives, while the 12-bit ADC with 16 channels enables accurate sensor feedback. The device's robust communication interfaces (USART, SPI, I2C) facilitate integration with industrial networks like Modbus. Its wide operating temperature range (-40°C to +85°C) ensures reliability in harsh environments. The FPU handles floating-point calculations efficiently, reducing CPU load and improving response times. Additionally, the low-power modes help reduce energy consumption in always-on industrial sensors.
推荐
IoT Edge Devices
The STM32F401RDT6 is well-suited for IoT edge devices that require processing sensor data and communicating with cloud services. Its low-power modes (Sleep, Stop, Standby) extend battery life, while the USB OTG FS interface allows direct connection to hosts or peripherals. The Cortex-M4F FPU accelerates sensor fusion algorithms, and the rich peripheral set supports various sensors (temperature, humidity, motion) via I2C or SPI. The device's 512 KB Flash provides ample space for communication stacks (e.g., MQTT, CoAP) and application logic. Its small LQFP64 package enables compact PCB designs for wearable and smart home devices. The wide supply voltage range (1.7V-3.6V) accommodates battery chemistries like Li-ion and alkaline.
推荐
Consumer Electronics
In consumer electronics, the STM32F401RDT6 provides the processing power for user interfaces, audio processing, and connectivity. Its FPU enables real-time audio effects and voice recognition, while the USB OTG interface supports device-to-device communication. The device's multiple timers generate accurate PWM for LED dimming and motor control in appliances. Its low-power modes are crucial for battery-operated remote controls and wearables. The 512 KB Flash allows for rich GUI libraries and firmware updates over-the-air. The LQFP64 package is cost-effective for mass production, and the device's wide temperature range ensures operation in various consumer environments.
推荐
Medical Monitoring Equipment
The STM32F401RDT6 is suitable for medical monitoring devices like pulse oximeters and ECG monitors due to its high-performance core and low-power operation. The FPU accelerates signal processing algorithms for heart rate and oxygen saturation calculation. The 12-bit ADC with 16 channels can interface with multiple biosensors, and the DMA controller enables continuous data acquisition without CPU intervention. The device's low-power modes are essential for portable, battery-powered monitors. Its robust communication interfaces (USART, I2C) allow data transmission to displays or smartphones. The wide operating temperature range and RoHS compliance meet medical device standards. The 512 KB Flash provides ample storage for patient data logs and firmware.
推荐
Audio Processing
The STM32F401RDT6 excels in audio processing applications such as voice-controlled devices, audio effects processors, and smart speakers. Its Cortex-M4F FPU accelerates FFT and digital filtering algorithms, enabling real-time audio analysis and enhancement. The device's I2S interface (via SPI) connects to audio codecs for high-quality audio input/output. The 512 KB Flash can store audio samples or processing code, and the 96 KB SRAM supports buffering. The USB OTG interface allows streaming audio to/from a host. The low-power modes help reduce power consumption in battery-powered audio devices. The LQFP64 package is compact for portable designs.
推荐
Robotics and Drones
The STM32F401RDT6 is a popular choice for robotics and drone flight controllers due to its real-time performance and rich peripherals. The FPU accelerates sensor fusion algorithms (e.g., Kalman filters) for attitude estimation, and the advanced timers generate precise PWM signals for motor speed control. The device's multiple UARTs interface with GPS, telemetry, and other sensors. The 12-bit ADC reads battery voltage and current sensors. The low-power modes are useful for battery conservation during idle periods. The 512 KB Flash provides ample space for complex control algorithms and logging. The LQFP64 package is lightweight and suitable for space-constrained drone PCBs.
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推荐产品汇总
工程参考数据： STM32F401RDT6 ——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 | STM32F401RCT6 | STM32F401RET6 | STM32F411RET6 | STM32F405RGT6 | ATSAMD51J19A |
|---|---|---|---|---|---|---|
| Package | LQFP64 | LQFP64 | LQFP64 | LQFP64 | LQFP64 | LQFP64 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | Microchip Technology |
| Core Clock Speed | 84 MHz | 84 MHz | 84 MHz | 100 MHz | 168 MHz | 120 MHz |
| Flash Memory | 512 KB | 256 KB | 512 KB | 512 KB | 1 MB | 512 KB |
| SRAM | 96 KB | 64 KB | 96 KB | 128 KB | 192 KB | 192 KB |
| FPU | Yes | Yes | Yes | Yes | Yes | Yes |
| Number of ADC Channels | 16 | 16 | 16 | 16 | 16 | 20 |
| USB Interface | USB 2.0 OTG FS | USB 2.0 OTG FS | USB 2.0 OTG FS | USB 2.0 OTG FS | USB 2.0 OTG FS | USB 2.0 |
关键差异点
- Higher Flash and SRAM than STM32F401RCT6 （对比 STM32F401RCT6)
- Lower power consumption than STM32F405RGT6 （对比 STM32F405RGT6)
- Cost-effective compared to STM32F411RET6 （对比 STM32F411RET6)
设计说明
Decouple each VDD pin with a 100nF ceramic capacitor placed as close as possible to the pin, and add a 4.7uF bulk capacitor per supply domain. Connect VDDA to a clean analog supply through a ferrite bead and add a 1uF capacitor to VSSA. Ensure VREF+ is connected to a stable reference voltage (e.g., 3.3V) for accurate ADC readings. The device operates from 1.7V to 3.6V, so verify all peripherals are compatible with the chosen supply voltage.
For the HSE crystal oscillator, place the crystal and load capacitors close to the OSC_IN/OSC_OUT pins (PF0/PF1) and keep the trace lengths short and symmetrical. Use a ground plane around the oscillator area to minimize noise. For the USB interface, route the D+ and D- lines as a differential pair with controlled impedance (90 ohms) and place a 22-ohm series resistor on each line. Keep the SWD interface traces short for reliable debugging.
Do not leave the BOOT0 pin floating; connect it to ground through a 10k resistor for normal boot from Flash. Ensure the NRST pin has a 100nF capacitor to ground for reliable reset. When using low-power modes, configure all unused GPIOs as analog inputs to minimize leakage current. Also, verify that the supply voltage does not exceed 3.6V to avoid damaging the device.
合规信息
RoHS and REACH compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider STM32F401RDT6Q or other automotive-grade variants.
