STMicroelectronics STM32L431CCU7
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $10.88 | $10.88 |
| 15+ | $2.50 | $37.50 |
| 25+ | $2.45 | $61.25 |
| 50+ | $2.31 | $115.50 |
| 100+ | $2.04 | $204.00 |
| N+ | $0.41 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Tray | NULL |
| Core Processor | ARM® Cortex®-M4F |
| Core Size | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 38 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 64K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 10x12b SAR; D/A 2x12b |
| Oscillator Type | External, Internal |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-UFQFPN (7x7) |
| Package / Case | 48-UFQFN Exposed Pad |
| ROHS |
The STM32L431CCU7 from STMicroelectronics is a high-efficiency ARM Cortex-M4F microcontroller designed for ultra-low-power applications. Operating from 1.71V to 3.6V and running at 80MHz, it delivers strong DSP performance while conserving energy. With 256KB flash and 64KB SRAM in a compact 48-UFQFN package, it suits space-constrained, battery-powered designs.
- Ultra-low power consumption: Supports 1.71V operation and multiple low-power modes, extending battery life in portable devices.
- High processing efficiency: The 80MHz Cortex-M4F with FPU accelerates math-intensive tasks like filtering and control loops.
- Compact footprint: The 48-UFQFN package minimizes PCB area, ideal for miniaturized products.
- Robust reliability: Includes brown-out reset, watchdog timer, and DMA for stable operation in harsh environments.
Battery-Powered IoT Sensors
The 1.71V minimum supply and multiple low-power modes make it ideal for battery-operated environmental and industrial sensors.
Portable Medical Devices
The Cortex-M4F DSP instructions and FPU enable efficient processing of biosignals like ECG and pulse oximetry, while the small UFQFN package saves space.
Industrial Control Panels
With 80MHz performance and PWM timers, it can drive HMI interfaces and control small motors or actuators in factory automation.
Smart Home Hubs
Its rich analog peripherals and communication interfaces allow it to manage multiple sensor inputs and relay controls in a central hub.
Wearable Fitness Trackers
The low power consumption and 64KB SRAM support real-time step counting and heart-rate monitoring algorithms without frequent recharging.
Data Loggers
DMA and WDT ensure reliable continuous data acquisition from external ADCs or sensors to flash memory in remote logging stations.
- Q: What is the operating voltage range of the STM32L431CCU7?
- A: It operates from 1.71V to 3.6V, supporting low-power battery applications.
- Q: What core does this MCU use?
- A: It uses an ARM Cortex-M4F core with FPU, running at up to 80MHz.
- Q: How much flash and RAM does it have?
- A: It has 256KB of flash memory and 64KB of SRAM.
- Q: What package is available?
- A: It comes in a 48-UFQFN exposed pad package, suitable for compact designs.
- Q: Does it support DMA and PWM?
- A: Yes, it includes DMA, PWM, WDT, and brown-out detection features.
- Q: What is the operating voltage range of the STM32L431CCU7?
- A: It operates from 1.71V to 3.6V, supporting low-power battery applications.
- Q: What core does this MCU use?
- A: It uses an ARM Cortex-M4F core with FPU, running at up to 80MHz.
- Q: How much flash and RAM does it have?
- A: It has 256KB of flash memory and 64KB of SRAM.
- Q: What package is available?
- A: It comes in a 48-UFQFN exposed pad package, suitable for compact designs.
- Q: Does it support DMA and PWM?
- A: Yes, it includes DMA, PWM, WDT, and brown-out detection features.

STM32L431CCU7.pdf