STMicroelectronics STM32L422RBT6
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.29 | $6.29 |
| 15+ | $4.13 | $61.95 |
| 25+ | $4.04 | $101.00 |
| 50+ | $3.82 | $191.00 |
| 100+ | $3.37 | $337.00 |
| N+ | $0.67 | 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 | I2C, Infrared, IrDA, LINbus, Quad SPI, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 52 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 40K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 16x12b |
| 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 STM32L422RBT6 from STMicroelectronics is an ultra-low-power 32-bit MCU based on the ARM Cortex-M4 core with FPU, running at 80 MHz. It features 128KB flash and 40KB SRAM, with a supply range of 1.71V to 3.6V. The 64-LQFP package includes DMA, PWM, and multiple analog peripherals, ideal for portable and industrial applications.
- 80 MHz Cortex-M4 with FPU: Provides DSP capabilities for advanced algorithms.
- Ultra-low power (1.71V): Extends battery life in portable devices.
- 40KB SRAM: Supports complex real-time operating systems and buffering.
- Rich analog peripherals: Includes 12-bit ADC and DAC for precise measurements.
- 64-pin LQFP: Balances I/O count with board space efficiency.
Battery-Powered IoT Sensors
The 1.71V minimum supply and low-power modes extend battery life in wireless environmental monitors.
Portable Medical Instruments
The Cortex-M4 FPU accelerates signal processing for ECG and blood pressure monitors while maintaining low power.
Industrial Process Control
With 80MHz speed and PWM, it handles PID loops and actuator control in PLCs and valve controllers.
Smart Home Automation
DMA and 40KB RAM support complex communication stacks (Zigbee, Thread) in smart thermostats and lighting hubs.
Wearable Fitness Trackers
The small 64-LQFP footprint and low voltage enable compact, energy-efficient step counters and heart rate monitors.
Data Logging Systems
128KB flash and DMA allow continuous logging of sensor data in industrial equipment without external memory.
- Q: What is the core and speed of the STM32L422RBT6?
- A: It uses an ARM Cortex-M4 core running at up to 80 MHz with FPU.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V, enabling low-power battery designs.
- Q: How much flash and RAM does it have?
- A: It provides 128KB flash and 40KB SRAM.
- Q: What package is this device available in?
- A: It comes in a 64-pin LQFP package.
- Q: Does it support DMA and PWM?
- A: Yes, it includes DMA and multiple PWM timers for motor control and signal generation.
- Q: What is the core and speed of the STM32L422RBT6?
- A: It uses an ARM Cortex-M4 core running at up to 80 MHz with FPU.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V, enabling low-power battery designs.
- Q: How much flash and RAM does it have?
- A: It provides 128KB flash and 40KB SRAM.
- Q: What package is this device available in?
- A: It comes in a 64-pin LQFP package.
- Q: Does it support DMA and PWM?
- A: Yes, it includes DMA and multiple PWM timers for motor control and signal generation.

STM32L422RBT6.pdf