STMicroelectronics STM32L451RET6TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $9.49 | $9.49 |
| 15+ | $6.24 | $93.60 |
| 25+ | $6.10 | $152.50 |
| 50+ | $5.76 | $288.00 |
| 100+ | $5.09 | $509.00 |
| N+ | $1.02 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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-LQFP (10x10) |
| Package / Case | 64-LQFP |
| ROHS |
The STM32L451RET6TR is a low-power ARM Cortex-M4 microcontroller from STMicroelectronics, operating at up to 80MHz. It features 512KB of flash memory and 160KB of SRAM, with a supply voltage range of 1.71V to 3.6V. The 64-LQFP package integrates DMA, PWM, and brown-out detection, making it ideal for battery-powered industrial and medical applications.
- Ultra-low-power operation: 1.71V minimum supply and multiple low-power modes extend battery life in portable devices.
- High memory capacity: 512KB flash and 160KB SRAM support complex firmware and data buffering without external memory.
- Efficient processing: 80MHz Cortex-M4 with DSP instructions accelerates math-intensive tasks like FFT and filtering.
- Robust peripheral set: DMA, PWM, and WDT reduce CPU load and improve system reliability.
Industrial Sensor Nodes
The 80MHz Cortex-M4 with DSP instructions enables real-time sensor fusion and edge processing in industrial IoT nodes, while the 1.71V minimum supply allows direct battery operation.
Portable Medical Devices
With 512KB flash and 160KB RAM, it supports complex algorithms for glucose monitors or pulse oximeters, and the low-power modes extend battery life in wearable form factors.
Smart Building Controllers
Multiple DMA channels and PWM outputs allow efficient control of HVAC actuators and lighting dimmers, while the brown-out detector ensures reliable operation during power fluctuations.
Motor Control for Robotics
The PWM timers with dead-time insertion and the 80MHz core provide precise commutation for brushless DC motors in small robotic arms, with the WDT enhancing system safety.
Data Logging Systems
The large 512KB flash can store extended logs locally, and the 160KB SRAM buffers high-rate ADC samples before writing to external memory via DMA.
Field Transmitters
Its wide voltage range and -40°C to 85°C temperature tolerance make it suitable for 4-20mA loop-powered transmitters in harsh industrial environments.
- Q: What is the operating voltage range of the STM32L451RET6TR?
- A: The supply voltage range is 1.71V to 3.6V, supporting low-power battery applications.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M4 core runs at up to 80MHz.
- Q: How much flash memory does it have?
- A: It provides 512KB of flash memory and 160KB of SRAM.
- Q: What package is available?
- A: It comes in a 64-LQFP package, suitable for compact PCB designs.
- Q: What is the operating voltage range of the STM32L451RET6TR?
- A: The supply voltage range is 1.71V to 3.6V, supporting low-power battery applications.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M4 core runs at up to 80MHz.
- Q: How much flash memory does it have?
- A: It provides 512KB of flash memory and 160KB of SRAM.
- Q: What package is available?
- A: It comes in a 64-LQFP package, suitable for compact PCB designs.

STM32L451RET6TR.pdf