STMicroelectronics STM32L451CEU3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $15.94 | $15.94 |
| 15+ | $3.66 | $54.90 |
| 25+ | $3.58 | $89.50 |
| 50+ | $3.38 | $169.00 |
| 100+ | $2.99 | $299.00 |
| N+ | $0.60 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Bulk | |
| Core Processor | ARM® Cortex®-M4F |
| Core Size | 32-Bit |
| Speed | 80MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 38 |
| Program Memory Size | 512KB (512K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 160K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 10x12b SAR; D/A 1x12b |
| Oscillator Type | External, Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Memory Type | Surface Mount |
| Grade | - |
| Qualification | - |
| Package / Case | 48-UFQFPN (7x7) |
| Supplier Device Package | 48-UFQFN Exposed Pad |
The STMicroelectronics STM32L451CEU3 is an ultra-low-power MCU with an ARM Cortex-M4F core at 80MHz. It provides 512KB flash and 160KB RAM, operating from 1.71V to 3.6V. With FPU, DMA, and PWM, it excels in precision control and signal processing applications.
- ARM Cortex-M4F with FPU: Hardware floating-point for fast math.
- Large 512KB flash: Ample space for complex firmware.
- Ultra-low power: Ideal for battery-operated devices.
- Wide temperature range: -40°C to 125°C.
Industrial Process Control
512KB flash and FPU handle complex PID loops and data logging.
Smart Sensors
DMA and PWM enable precise sensor excitation and readout.
Portable Medical
Low power and 125°C rating suit sterilization processes.
Battery Management
1.71V operation extends battery life in BMS units.
Robotics
M4F FPU accelerates kinematics calculations.
Energy Harvesting
Ultra-low voltage operation works with energy harvesters.
- Q: What is the core?
- A: ARM Cortex-M4F with FPU at 80MHz.
- Q: How much flash and RAM?
- A: 512KB flash and 160KB RAM.
- Q: What is the voltage range?
- A: 1.71V to 3.6V.
- Q: What is the temperature range?
- A: -40°C to 125°C.
- Q: What package is it?
- A: 48-UFQFN exposed pad.
- Q: What is the core?
- A: ARM Cortex-M4F with FPU at 80MHz.
- Q: How much flash and RAM?
- A: 512KB flash and 160KB RAM.
- Q: What is the voltage range?
- A: 1.71V to 3.6V.
- Q: What is the temperature range?
- A: -40°C to 125°C.
- Q: What package is it?
- A: 48-UFQFN exposed pad.

STM32L451CEU3.pdf