STMicroelectronics STM32L443RCT6TR

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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, 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 STM32L443RCT6TR is an ultra-low-power ARM Cortex-M4 microcontroller from STMicroelectronics, operating at up to 80 MHz. It provides 256 KB flash and 64 KB SRAM, with an integrated LCD driver and advanced analog features. Its wide voltage range (1.71V to 3.6V) and multiple low-power modes make it perfect for battery-powered applications.

  • Ultra-low power consumption: Multiple low-power modes extend battery life.
  • Integrated LCD driver: Simplifies display design and reduces cost.
  • High memory capacity: 256KB flash for complex firmware.
  • Wide voltage range: 1.71V minimum supports single-cell batteries.
  • Rich analog peripherals: 12-bit ADC and DAC for precise measurements.

Smart Meters

Integrated LCD controller and low power modes enable long-life utility meters.

Medical Wearables

Ultra-low voltage operation (1.71V) and multiple timers support continuous health monitoring.

Industrial Process Control

High-speed ADC and DMA handle real-time data acquisition from sensors.

Portable Instrumentation

80MHz performance and 256KB flash allow complex algorithms in handheld testers.

Building Automation

PWM outputs and communication interfaces control lighting and HVAC systems.

Consumer Electronics

Rich peripheral set and low power make it ideal for smart home devices.

Q: What is the maximum CPU speed?
A: 80 MHz.
Q: What is the supply voltage range?
A: 1.71V to 3.6V.
Q: Does it have an LCD controller?
A: Yes, it supports segment LCDs.
Q: How much flash memory is available?
A: 256 KB.
Base Product Number : STM32L443RCT6
256KB Flash 32-bit MCU 80MHz ARM Cortex-M4 LCD LQFP-64 medical smart meter STM32L4 ultra-low-power
Q: What is the maximum CPU speed?
A: 80 MHz.
Q: What is the supply voltage range?
A: 1.71V to 3.6V.
Q: Does it have an LCD controller?
A: Yes, it supports segment LCDs.
Q: How much flash memory is available?
A: 256 KB.