STMicroelectronics STM32L431VCI3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $14.39 | $14.39 |
| 15+ | $3.31 | $49.65 |
| 25+ | $3.24 | $81.00 |
| 50+ | $3.06 | $153.00 |
| 100+ | $2.70 | $270.00 |
| N+ | $0.54 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Bulk | NULL |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 83 |
| 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 16x12b SAR; D/A 2x12b |
| Oscillator Type | External, Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 100-UFBGA (7x7) |
| Package / Case | 100-UFBGA |
| ROHS |
The STM32L431VCI3 is an ultra-low-power ARM Cortex-M4 microcontroller from STMicroelectronics. It runs at 80MHz with 256KB flash and 64KB SRAM. Featuring DSP instructions, DMA, PWM, and brown-out detection, it operates from 1.71V to 3.6V in a 100-UFBGA package, suitable for industrial and automotive applications.
- ARM Cortex-M4 with FPU accelerates math-intensive tasks.
- Wide temperature range (-40°C to 125°C) for rugged environments.
- 256KB flash provides ample code and data storage.
- Ultra-low-power design extends battery life.
Industrial IoT Gateways
80MHz Cortex-M4 with 256KB flash handles protocol stacks and edge processing.
Automotive Body Control
125°C rating and WDT support harsh under-hood environments.
Smart Home Hubs
DMA and PWM enable smooth control of lighting and motor actuators.
Portable Instrumentation
1.71V minimum supply allows direct battery operation with low dropout.
Medical Monitoring
High-speed ADC and DSP instructions process biosignals in real time.
Energy Management
Multiple low-power modes reduce consumption in smart meters.
- Q: What is the core architecture?
- A: ARM Cortex-M4 with FPU.
- Q: Operating temperature range?
- A: -40°C to 125°C.
- Q: How much flash memory?
- A: 256KB flash and 64KB SRAM.
- Q: What package is used?
- A: 100-pin UFBGA.
- Q: What is the core architecture?
- A: ARM Cortex-M4 with FPU.
- Q: Operating temperature range?
- A: -40°C to 125°C.
- Q: How much flash memory?
- A: 256KB flash and 64KB SRAM.
- Q: What package is used?
- A: 100-pin UFBGA.

STM32L431VCI3.pdf