STMicroelectronics STM32L443RCT6

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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 52
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 16x12b; D/A 2x12b
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 RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM32L443RCT6 is a high-performance ARM Cortex-M4 microcontroller with FPU, running at 80MHz. It offers 256KB flash and 64KB RAM, along with an integrated LCD controller for graphical displays. Its 1.71V-3.6V supply range and 64-LQFP package make it ideal for advanced embedded applications requiring both processing power and energy efficiency.

  • 80MHz Cortex-M4 with FPU: Delivers DSP and floating-point performance for complex algorithms.
  • Integrated LCD controller: Eliminates external display driver, reducing BOM cost and board space.
  • Large 256KB flash / 64KB RAM: Supports rich applications and multitasking without memory constraints.
  • Advanced low-power modes: Balances performance with energy efficiency for battery-powered devices.

Advanced Wearables

The 80MHz Cortex-M4 with FPU handles complex sensor fusion and health algorithms, while the 256KB flash stores rich UI assets and firmware.

Industrial HMI Panels

The integrated LCD controller and 64KB RAM support graphical interfaces for machine control, with PWM outputs driving backlight and indicators.

Smart Home Hubs

With DMA and multiple communication interfaces, it manages Zigbee/Z-Wave protocols and local automation rules, operating from 1.71V to 3.6V.

Portable Test Equipment

The high-speed core and large memory enable oscilloscope or multimeter functions, with the LCD controller displaying waveforms in real-time.

Medical Infusion Pumps

Reliable operation with WDT and brown-out detection ensures patient safety, while the Cortex-M4 handles precise motor control and user interface.

Audio Processing Modules

The DSP capabilities of the Cortex-M4 enable real-time audio effects and voice recognition, with I2S (implied by DMA) for digital audio streaming.

Q: What core is used in the STM32L443RCT6?
A: It uses an ARM Cortex-M4 core running at 80MHz.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V.
Q: How much flash and RAM does it have?
A: It has 256KB flash and 64KB RAM.
Q: What package is available?
A: It comes in a 64-LQFP package.
Base Product Number : STM32L443RC
256KB Flash 32-bit MCU 64-LQFP 64KB RAM 80MHz ARM Cortex-M4 DSP LCD STM32L4 Wearable
Q: What core is used in the STM32L443RCT6?
A: It uses an ARM Cortex-M4 core running at 80MHz.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V.
Q: How much flash and RAM does it have?
A: It has 256KB flash and 64KB RAM.
Q: What package is available?
A: It comes in a 64-LQFP package.