STMicroelectronics STM32L443CCT6

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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, SWPMI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, LCD, PWM, WDT
Number of I/O 38
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 64K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 10x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-LQFP (7x7)
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM32L443CCT6 is an ultra-low-power 32-bit MCU based on the ARM Cortex-M4 core with FPU, running at 80MHz. It offers 256KB flash and 64KB SRAM, operating from 1.71V to 3.6V. The device integrates an LCD controller, DMA, PWM, brown-out detection, and watchdog timer. Housed in a 48-LQFP package, it is designed for compact, energy-efficient applications in consumer and industrial markets.

  • Compact 48-pin package: Saves board space while providing sufficient I/O for control applications.
  • Ultra-low-power operation: Extends battery life in portable and wireless devices.
  • Integrated LCD driver: Simplifies display design without external ICs.
  • Rich analog peripherals: Multiple ADCs and comparators support precise sensing.

Smart Home Controllers

The 48-LQFP package and LCD support make it perfect for wall-mounted thermostats and security keypads.

Portable Instrumentation

Its low-power modes and 80MHz FPU enable accurate data logging in handheld multimeters and calibrators.

Medical Monitoring Devices

The 1.71V operation allows direct CR2032 battery use, while the DMA handles continuous ADC sampling for ECG patches.

Industrial Sensor Hubs

Multiple UART/SPI interfaces and 64KB SRAM buffer data from several sensors before wireless transmission.

Automotive Aftermarket Accessories

With -40°C to 85°C rating, it suits tire pressure monitoring displays and dash cameras.

Energy Harvesting Systems

Ultra-low sleep current and fast wake-up times make it suitable for solar-powered environmental sensors.

Q: What is the core architecture?
A: It is based on the ARM Cortex-M4 core with FPU, running at 80MHz.
Q: What is the voltage range?
A: It operates from 1.71V to 3.6V.
Q: How much flash and RAM are included?
A: It has 256KB flash and 64KB SRAM.
Q: Does it have an LCD controller?
A: Yes, it includes a segment LCD driver.
Q: What package is this variant?
A: It is in a 48-LQFP package.
Base Product Number : STM32L443CC
256KB Flash 32-bit MCU 64KB SRAM 80MHz ARM Cortex-M4 Industrial LCD LQFP-48 Medical Smart Home STM32L443CCT6 STMicroelectronics Ultra-low-power
Q: What is the core architecture?
A: It is based on the ARM Cortex-M4 core with FPU, running at 80MHz.
Q: What is the voltage range?
A: It operates from 1.71V to 3.6V.
Q: How much flash and RAM are included?
A: It has 256KB flash and 64KB SRAM.
Q: Does it have an LCD controller?
A: Yes, it includes a segment LCD driver.
Q: What package is this variant?
A: It is in a 48-LQFP package.