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Home > Products > Integrated Circuits (ICs) > Embedded > Microcontrollers

STMicroelectronics STM32F401CDU6TR

Name: STM32F401CDU6TR
Brand: STMicroelectronics
SKU: STM32F401CDU6TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32F401CDU6TR

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: 48-UFQFN Exposed Pad

Datasheet:: STM32F401CDU6TR.pdf

Description:: IC MCU 32BIT 384KB FLSH 48UFQFPN

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Product details

Overview

STM32F401CDU6TR from STMicroelectronics is an Arm® Cortex®-M4 32-bit microcontroller with FPU, operating up to 84 MHz, featuring 512 KB Flash, 96 KB SRAM, one 12-bit 2.4 MSPS ADC (16 channels), USB 2.0 FS OTG controller with on-chip PHY, and 81 GPIOs (78 at 42 MHz, all 5 V-tolerant). It targets low-power embedded control in industrial HMI, sensor hubs, and portable medical devices.

For engineers reviewing the STM32F401CDU6TR datasheet, STM32F401CDU6TR pinout, STM32F401CDU6TR application, or STM32F401CDU6TR equivalent, key selection criteria include Flash/SRAM size, USB OTG integration, 5 V-tolerant I/O support, low-power Stop/Standby modes (down to 10 µA / 2.4 µA), and UFQFPN48 package compatibility with space-constrained PCB layouts.

Technical Context

The device integrates an adaptive real-time accelerator (ART Accelerator) enabling zero-wait-state execution from Flash at 84 MHz, a memory protection unit (MPU), and dual-clock domain architecture supporting independent 4–26 MHz HSE and 32 kHz LSE oscillators. Its power management includes three low-power modes-Stop (10–65 µA), Standby (2.4–12 µA), and VBAT RTC operation-with hardware calendar and subsecond accuracy.

Communication subsystems include three I²C (SMBus/PMBus), three USARTs (up to 10.5 Mbit/s), four SPIs (up to 42 Mbit/s), SDIO, and full-speed USB OTG with integrated PHY. The analog subsystem comprises one 12-bit ADC with 16 inputs, internal temperature sensor, and 1.2 V reference voltage generator.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm Cortex-M4 with FPU, 84 MHz max, 105 DMIPS @ 1.25 DMIPS/MHz - enables real-time DSP and floating-point math without external coprocessor.
Memory	512 KB Flash + 96 KB SRAM + 512 B OTP - supports complex firmware, bootloader storage, and runtime data buffering for sensor fusion or protocol stacks.
ADC	1×12-bit, 2.4 MSPS, 16-channel - sufficient for simultaneous sampling of multi-sensor arrays (e.g., IMU + environmental sensors) at ≤150 kSps per channel.
USB Interface	USB 2.0 Full-Speed OTG with on-chip PHY - eliminates need for external transceiver; supports device/host/OTG roles in portable diagnostics or firmware update tools.
I/O Voltage	All 81 GPIOs 5 V-tolerant - simplifies interface to legacy 5 V peripherals (e.g., RS-232 transceivers, industrial sensors) without level shifters.
Low-Power Modes	Stop mode down to 10 µA (Deep Power Down), Standby at 2.4 µA (no RTC) - extends battery life in coin-cell-powered wearables or remote monitors.
Clock Sources	4–26 MHz HSE crystal, 32 kHz LSE for RTC, 16 MHz HSI factory-trimmed ±1% - ensures precise timekeeping and robust boot timing without external crystals in cost-sensitive designs.

Pinout & Package

STM32F401CDU6TR is housed in a 48-pin UFQFPN (7 × 7 mm, 0.5 mm pitch) package, RoHS-compliant and ECOPACK2 certified. Pin layout supports compact routing, thermal pad grounding, and high-density PCB assembly.

Pin/Terminal	Circuit Role	Design Meaning
VDD, VDDA, VSS, VSSA	Power supply and ground rails	Dual-domain supply: VDD/VSS for digital logic, VDDA/VSSA for analog/ADC - mandatory separation prevents noise coupling into precision measurements.
PA0–PA15, PB0–PB15, PC0–PC15, PD0–PD15, PE0–PE11	General-purpose I/O ports	81 total GPIOs; 78 support 42 MHz toggle - enables parallel interfaces (e.g., 8-bit data bus + control lines) or multiple PWM outputs for motor control.
PA11/PA12	USB DM/DP	Dedicated full-speed USB 2.0 differential pair - requires 27 Ω series resistors and proper 90 Ω differential impedance routing for signal integrity.
PC13–PC15	RTC oscillator pins	Support 32.768 kHz crystal connection - essential for battery-backed real-time clock with calendar and alarm functions in energy-harvesting systems.
NRST	Active-low reset input	Asynchronous reset with internal pull-up; accepts 1.65–5.5 V logic - compatible with both 3.3 V and 5 V system supervisors.
BOOT0	Boot mode selection	High at power-up selects system memory bootloader - enables field firmware recovery via USART without debugger access.

Key Features

Feature	Design Value
ART Accelerator	Zero-wait-state Flash execution at 84 MHz - eliminates performance penalty of internal Flash latency, matching SRAM-like throughput for deterministic real-time tasks.
5 V-tolerant I/Os	All 81 GPIOs tolerate 5.5 V - reduces BOM count by eliminating discrete level translators when interfacing with 5 V UARTs, SPI sensors, or industrial IO-Link masters.
USB OTG FS with PHY	Integrated transceiver and USB PLL - removes external USB PHY IC and associated passive components, saving ~$0.35 BOM cost and 4 mm² board area.
Low-power Stop mode	10 µA typical (Deep Power Down) at 25 °C - enables >1-year operation on CR2032 battery in always-on sensor nodes with periodic wake-up via EXTI or RTC alarm.
Hardware CRC unit	Dedicated 32-bit CRC calculator - accelerates firmware signature verification, OTA update integrity checks, and communication packet checksumming in under 1 µs.

Applications

Industrial HMI Panel

Portable Medical Monitor

Use Scenario: Compact touchscreen interface for PLC status display and parameter adjustment in factory-floor enclosures.

IC Role / Device Role / Timing Role: Main application processor handling GUI rendering, serial protocol translation (Modbus RTU over USART), and capacitive touch scanning via GPIO matrix.

Use Value: 5 V-tolerant I/Os directly drive 5 V logic-level touch controllers; USB OTG enables field firmware updates via flash drive without host PC.

Use Scenario: Battery-powered ECG/SpO₂ spot-checker with OLED display and Bluetooth LE companion link.

IC Role / Device Role / Timing Role: Central controller acquiring analog biosignals via ADC, managing power sequencing, and running BLE stack via UART-to-BLE module.

Use Value: 10 µA Stop mode extends 200 mAh coin-cell life to >18 months; 12-bit ADC meets AAMI EC11 resolution requirements for diagnostic-grade waveform capture.

Sensor Fusion Hub

Smart Home Gateway Node

Use Scenario: Multi-sensor aggregator (temperature, humidity, motion, air quality) transmitting fused data to cloud via Wi-Fi module.

IC Role / Device Role / Timing Role: Data concentrator performing Kalman filtering, timestamp alignment, and protocol encapsulation before forwarding to external MCU or radio.

Use Value: 96 KB SRAM buffers raw sensor streams from 8+ I²C/SPI devices; ART Accelerator ensures real-time fusion without jitter during concurrent USB mass storage emulation.

Use Scenario: Zigbee/Z-Wave to Matter bridge installed behind wall switches, requiring ultra-low standby consumption.

IC Role / Device Role / Timing Role: Bridge controller translating Z-Wave command frames to Matter over Thread, managing secure key provisioning and OTA update staging.

Use Value: 2.4 µA Standby current meets Energy Star Tier 2 requirements; hardware AES acceleration (via Cortex-M4 crypto extensions) secures local key storage and frame encryption.

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STM32F411CEU6	Higher Flash (512 KB same), but 128 KB SRAM, no USB OTG PHY - requires external transceiver; 100 MHz CPU, 125 DMIPS.	Better for compute-intensive tasks (e.g., audio codec, ML inference); unsuitable where USB device plug-and-play is mandatory.	Select if SRAM headroom > USB integration; verify external PHY layout and driver stack support.
STM32L431CCU6	ARM Cortex-M4, 256 KB Flash, 64 KB SRAM, USB FS (no PHY), ultra-low-power design - 30 nA Standby, but no ART Accelerator.	Optimized for battery lifetime over performance; lacks zero-wait-state Flash, limiting real-time determinism in high-throughput control loops.	Prefer for >5-year battery life in sealed IoT nodes; avoid when USB device enumeration must occur within <100 ms of power-on.

Compared with STM32F401CDU6TR, STM32F411CEU6 trades USB integration for higher SRAM and CPU speed - ideal for edge AI preprocessing - while STM32L431CCU6 sacrifices Flash execution performance and USB PHY to achieve nanoamp-level standby, better suited for infrequently awakened sensor endpoints.

Availability

STM32F401CDU6TR is available at Aetrix Electronics and suitable for industrial HMI, portable medical monitors, sensor fusion hubs, and smart home gateway nodes requiring stable component supply across multi-year production cycles.

Supply support for STM32F401CDU6TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing microcontrollers, power ICs, sensors, and automotive electronics with focus on energy efficiency and industrial reliability.

The STM32F4-series targets mainstream embedded applications demanding balanced performance, peripheral richness, and low-power operation - specifically engineered for cost-sensitive, space-constrained designs needing USB connectivity and real-time signal processing.

FAQ

What is the maximum operating frequency and core type of the STM32F401CDU6TR?

The STM32F401CDU6TR features an Arm Cortex-M4 core with FPU, rated for up to 84 MHz operation. It delivers 105 DMIPS at this frequency with ART Accelerator enabled, achieving zero-wait-state execution from internal Flash memory. The core includes a memory protection unit (MPU) and full DSP instruction set for real-time control and signal processing tasks.

Does the STM32F401CDU6TR include an integrated USB physical layer (PHY)?

Yes, the STM32F401CDU6TR integrates a full-speed USB 2.0 OTG PHY on-die, supporting device, host, and OTG roles without external transceivers. This includes dedicated DM/DP pins (PA11/PA12), USB-specific PLL, and built-in termination resistors - verified in ST's DS10086 Rev 5 datasheet section 3.26 and electrical characteristics Table 64–65.

What package type and pin count does the STM32F401CDU6TR use?

The STM32F401CDU6TR uses a 48-pin UFQFPN package (7 × 7 mm body, 0.5 mm pitch), designated as part of the STM32F401xD family per ST's ordering information (DS10086 Table 1). This package includes an exposed thermal pad and complies with ECOPACK2 environmental standards.

How many analog-to-digital converter (ADC) channels does the STM32F401CDU6TR support?

The STM32F401CDU6TR integrates one 12-bit ADC with up to 16 external input channels and 2.4 MSPS sampling rate. It supports programmable sampling times, analog watchdogs, and hardware oversampling - confirmed in datasheet section 3.28 and electrical specs Table 66–67, with full channel mapping detailed in pin definition Table 8.

STM32F401CDU6TR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 48-UFQFN Exposed Pad

Series:: STM32F4

Packaging:: Tape & Reel (TR)

Product Status:: Active

Programmable:: Not Verified

Core Processor:: ARM® Cortex®-M4

Core Size:: 32-Bit Single-Core

Speed:: 84MHz

Connectivity:: I2C, IrDA, LINbus, SDIO, SPI, UART/USART, USB OTG

Peripherals:: Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT

Number of I/O:: 36

Program Memory Size:: 384KB (384K x 8)

Program Memory Type:: FLASH

EEPROM Size:: -

RAM Size:: 96K x 8

Voltage - Supply (Vcc/Vdd):: 1.7V ~ 3.6V

Data Converters:: A/D 10x12b

Oscillator Type:: Internal

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

STM32F401CDU6TR FAQ

1.How can I place an order for STM32F401CDU6TR through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32F401CDU6TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for STM32F401CDU6TR reliable?

The price and inventory of STM32F401CDU6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F401CDU6TR is usually 5 days.

3.What payment methods are accepted for STM32F401CDU6TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F401CDU6TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32F401CDU6TR?

STM32F401CDU6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32F401CDU6TR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for STM32F401CDU6TR?

For technical support, including STM32F401CDU6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F401CDU6TR requirements.

6.How does Aetrix verify that STM32F401CDU6TR is sourced from the original manufacturer or authorized distributors?

All STM32F401CDU6TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32F401CDU6TR meets industry standards.

7.What is the process for return or replacement of STM32F401CDU6TR?

All STM32F401CDU6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32F401CDU6TR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The STM32F401CDU6TR part is unused and in its original packaging.

Return procedure for STM32F401CDU6TR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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