STMicroelectronics STM32F401CBY6TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32F4
Packaging | Tape & Reel (TR)
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 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 64K 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 49-WLCSP
Package / Case 49-UFBGA, WLCSP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32F401CBY6TR is a 32-bit ARM Cortex-M4 microcontroller from STMicroelectronics, operating at up to 84MHz. It features 128KB of Flash and 64KB of SRAM, providing a balanced mix of performance and memory. This device includes I2S, DMA, and multiple power-saving modes. Its 49-pin UFBGA/WLCSP package is designed for compact, battery-powered applications.

  • ARM Cortex-M4 Core: High performance with DSP instructions for signal processing.
  • 84MHz Operation: Fast execution for responsive user interfaces and control loops.
  • 64KB SRAM: Generous RAM for buffering and complex data structures.
  • I2S Interface: Direct connection to audio codecs for high-fidelity sound.
  • Ultra-Compact WLCSP: Smallest footprint for miniaturized wearable devices.

Wearable Fitness Trackers

The 84MHz Cortex-M4 and 64KB SRAM handle sensor fusion algorithms for step counting and heart rate monitoring.

Portable Audio Players

The I2S interface and DMA enable high-quality audio streaming to external DACs.

Smart Watches

Low power consumption and compact WLCSP package fit the tight constraints of smartwatch designs.

IoT Sensor Nodes

With 128KB Flash, it can run lightweight IoT protocols (MQTT, CoAP) and connect to Wi-Fi/Bluetooth modules.

Drone Telemetry Systems

The high-speed ADC and UART interfaces allow real-time transmission of flight data.

Point-of-Sale Terminals

Multiple communication interfaces support secure card readers and display controllers.

Q: What is the core of the STM32F401CBY6TR?
A: It uses the ARM Cortex-M4 core.
Q: What is the maximum clock speed?
A: It operates at up to 84MHz.
Q: How much Flash and RAM does it have?
A: It has 128KB Flash and 64KB SRAM.
Q: What is the package type?
A: It comes in a 49-pin UFBGA/WLCSP package.
Q: Does it have an I2S interface?
A: Yes, it includes I2S for audio applications.
Base Product Number : STM32F401CB
128KB Flash 32-bit MCU 49-UFBGA 84MHz ARM Cortex-M4 audio DMA I2S IoT STM32F4 wearable WLCSP
Q: What is the core of the STM32F401CBY6TR?
A: It uses the ARM Cortex-M4 core.
Q: What is the maximum clock speed?
A: It operates at up to 84MHz.
Q: How much Flash and RAM does it have?
A: It has 128KB Flash and 64KB SRAM.
Q: What is the package type?
A: It comes in a 49-pin UFBGA/WLCSP package.
Q: Does it have an I2S interface?
A: Yes, it includes I2S for audio applications.