STMicroelectronics STM32L451REI6
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $9.31 | $9.31 |
| 15+ | $6.12 | $91.80 |
| 25+ | $5.99 | $149.75 |
| 50+ | $5.65 | $282.50 |
| 100+ | $4.99 | $499.00 |
| N+ | $1.00 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Tray | |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 52 |
| 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 16x12b; D/A 1x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-UFBGA (5x5) |
| Package / Case | 64-UFBGA |
| ROHS |  |
The STM32L451REI6 is an ultra-low-power ARM Cortex-M4 microcontroller from STMicroelectronics. It operates at 80MHz with 512KB flash and 160KB RAM, supporting a wide voltage range of 1.71V to 3.6V. Housed in a compact 64-UFBGA package, it integrates DMA, PWM, and brown-out detection for reliable embedded control.
- Ultra-low-power operation: 1.71V supply and multiple low-power modes extend battery life in portable designs.
- High memory density: 512KB flash and 160KB RAM support complex applications without external memory.
- Efficient processing: ARM Cortex-M4 with FPU accelerates math-intensive tasks at 80MHz.
- Compact footprint: 64-UFBGA package saves PCB space for space-constrained devices.
Industrial Sensor Nodes
Ultra-low-power ARM Cortex-M4 at 80MHz with 512KB flash enables complex sensor fusion algorithms while maintaining long battery life.
Portable Medical Devices
1.71V minimum supply voltage allows direct operation from a single alkaline cell, simplifying power design in compact medical monitors.
Smart Building Controllers
Rich analog and digital peripherals with DMA support handle multiple sensor inputs and actuator outputs without CPU overhead.
IoT Edge Gateways
160KB RAM provides ample buffering for protocol stacks, while 80MHz speed ensures responsive MQTT/CoAP communication.
Motor Control Systems
PWM timers with dead-time generation and brown-out reset ensure safe, reliable operation in variable-speed drives.
Data Logging Equipment
512KB flash stores extensive logs; low-power modes with fast wake-up enable periodic sampling over years.
- Q: What is the operating voltage range?
- A: 1.71V to 3.6V, suitable for battery-powered applications.
- Q: What is the maximum CPU speed?
- A: 80MHz with ARM Cortex-M4 core.
- Q: How much flash and RAM does it have?
- A: 512KB flash and 160KB RAM.
- Q: What package is available?
- A: 64-UFBGA package.
- Q: Does it support DMA and PWM?
- A: Yes, includes DMA, PWM, and WDT.
STM32L451REI6.pdf
- Q: What is the operating voltage range?
- A: 1.71V to 3.6V, suitable for battery-powered applications.
- Q: What is the maximum CPU speed?
- A: 80MHz with ARM Cortex-M4 core.
- Q: How much flash and RAM does it have?
- A: 512KB flash and 160KB RAM.
- Q: What package is available?
- A: 64-UFBGA package.
- Q: Does it support DMA and PWM?
- A: Yes, includes DMA, PWM, and WDT.
