STMicroelectronics STM32L422RBI6

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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-UFBGA (5x5)
Package / Case 64-UFBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM32L422RBI6 is an ultra-low-power ARM Cortex-M4 microcontroller with FPU, operating at 80MHz. It offers 128KB of flash and 40KB of RAM, providing a balanced solution for energy-conscious applications. With a supply voltage range from 1.71V to 3.6V, it is perfect for battery-powered devices. Its compact 64-pin UFBGA package and rich peripheral set make it a versatile choice for IoT, medical, and industrial applications.

  • Ultra-Low Power: Multiple low-power modes extend battery life significantly.
  • High Performance: 80MHz Cortex-M4 with FPU for efficient computation.
  • Wide Voltage Range: 1.71V to 3.6V supports various power sources.
  • Compact Package: 64-UFBGA saves board space.
  • Rich Peripherals: DMA, PWM, and WDT for versatile applications.

IoT Edge Devices

Ultra-low power consumption and multiple low-power modes make it ideal for battery-powered sensors and wearables.

Portable Medical Devices

Its low power and high processing capability support glucose meters, pulse oximeters, and other portable health monitors.

Smart Home Controllers

With rich connectivity options and PWM, it can manage lighting, HVAC, and security systems efficiently.

Industrial Sensors

The 80MHz Cortex-M4 with FPU handles sensor fusion and calibration algorithms, while the wide voltage range ensures stable operation.

Consumer Electronics

From smartwatches to remote controls, its low power and small package enable sleek, long-lasting devices.

Data Logging Systems

With DMA and low-power modes, it can efficiently log data from multiple sensors over extended periods.

Q: What is the core processor?
A: ARM Cortex-M4 with FPU, running at 80MHz.
Q: What is the supply voltage range?
A: 1.71V to 3.6V, supporting low-power battery operation.
Q: What is the package type?
A: 64-pin UFBGA, compact for space-constrained designs.
Q: How much flash and RAM does it have?
A: 128KB flash and 40KB RAM.
Q: What is the operating temperature range?
A: -40°C to 85°C, suitable for most consumer and industrial applications.
Base Product Number : STM32L422RB
128KB 32-bit 80MHz ARM Cortex-M4 IoT medical STM32 UFBGA ultra-low-power
Q: What is the core processor?
A: ARM Cortex-M4 with FPU, running at 80MHz.
Q: What is the supply voltage range?
A: 1.71V to 3.6V, supporting low-power battery operation.
Q: What is the package type?
A: 64-pin UFBGA, compact for space-constrained designs.
Q: How much flash and RAM does it have?
A: 128KB flash and 40KB RAM.
Q: What is the operating temperature range?
A: -40°C to 85°C, suitable for most consumer and industrial applications.