STMicroelectronics STM32L431KCU6TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $9.67 | $9.67 |
| 15+ | $2.23 | $33.45 |
| 25+ | $2.18 | $54.50 |
| 50+ | $2.06 | $103.00 |
| 100+ | $1.82 | $182.00 |
| N+ | $0.36 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Tape & Reel (TR) | NULL |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 26 |
| 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; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-UFQFPN (5x5) |
| Package / Case | 32-UFQFN Exposed Pad |
| ROHS |  |
The STM32L431KCU6TR is a low-power 32-bit MCU from STMicroelectronics, based on the ARM Cortex-M4 core with FPU at 80 MHz. It features 256 KB flash and 64 KB SRAM, with a supply range of 1.71V to 3.6V. The device includes DMA, PWM, brown-out detection, and watchdog, all in a compact 32-UFQFN package. This tape-and-reel variant is suitable for high-volume, space-constrained embedded applications.
- Efficient 80 MHz Cortex-M4 with FPU – accelerates DSP and control algorithms.
- Large 256 KB flash / 64 KB SRAM – supports complex firmware and data buffering.
- Ultra-low-power operation – extends battery life in portable devices.
- Compact 32-UFQFN package – ideal for miniaturized PCB designs.
- Tape-and-reel packaging – ready for automated SMT assembly.
Industrial Process Control
The 80 MHz Cortex-M4 with FPU and 256 KB flash enables complex PID loops and data logging in industrial controllers.
Smart Home Gateways
Low power consumption and ample memory support protocol stacks for Zigbee or Thread in smart home hubs.
Portable Data Loggers
With 1.71V operation and low-power modes, it is ideal for battery-powered loggers recording environmental data.
Medical Wearables
The compact UFQFN package and 64 KB SRAM allow for real-time biosignal processing in wearable health monitors.
Sensor Fusion Hubs
DMA and multiple timers enable efficient fusion of accelerometer, gyroscope, and magnetometer data.
Automotive Aftermarket
Operating up to 85°C and with robust watchdog, it suits aftermarket telematics or body control modules.
- Q: What is the core and speed of the STM32L431KCU6TR?
- A: It uses an ARM Cortex-M4 core running at up to 80 MHz, with FPU for efficient math.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V, supporting low-voltage battery applications.
- Q: How much flash and RAM does it have?
- A: It provides 256 KB flash and 64 KB SRAM, suitable for complex applications.
- Q: What package is this variant?
- A: It is in a 32-UFQFN exposed pad package, compact for space-limited designs.
- Q: What are the key features?
- A: It includes brown-out detection, DMA, PWM, and watchdog timer for robust operation.
STM32L431KCU6TR.pdf
- Q: What is the core and speed of the STM32L431KCU6TR?
- A: It uses an ARM Cortex-M4 core running at up to 80 MHz, with FPU for efficient math.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V, supporting low-voltage battery applications.
- Q: How much flash and RAM does it have?
- A: It provides 256 KB flash and 64 KB SRAM, suitable for complex applications.
- Q: What package is this variant?
- A: It is in a 32-UFQFN exposed pad package, compact for space-limited designs.
- Q: What are the key features?
- A: It includes brown-out detection, DMA, PWM, and watchdog timer for robust operation.
