STMicroelectronics STM32L443RCY6TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32L4
Packaging Cut Tape (CT) | NULL
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-WLCSP (3.14x3.13)
Package / Case 64-UFBGA, WLCSP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM32L443RCY6TR is a 32-bit ARM Cortex-M4 microcontroller with FPU, operating at 80MHz. It offers 256KB of flash memory and 64KB of RAM, with a supply voltage range of 1.71V to 3.6V. This MCU integrates brown-out detection, DMA, LCD, PWM, and WDT peripherals, making it suitable for advanced embedded applications. Available in a 64-UFBGA/WLCSP package, it operates from -40°C to 85°C.

  • ARM Cortex-M4 with FPU accelerates DSP and math-intensive tasks.
  • 80MHz clock speed provides high throughput for real-time control loops.
  • Ultra-low-power design with multiple sleep modes extends battery life in portable devices.
  • Integrated LCD driver and DMA reduce system cost and complexity.

Wearable Health Monitors

The Cortex-M4 with FPU and 80MHz speed enables real-time ECG/PPG signal processing while the low voltage extends battery life.

Smart Home Displays

Integrated LCD driver and DMA support efficient GUI updates on small TFT or segment displays.

Industrial Data Loggers

256KB flash and 64KB RAM provide ample storage for sensor data logging with timestamping.

Portable Test Equipment

High-speed ADC and PWM features support oscilloscope or multimeter functions in handheld devices.

IoT Gateway Nodes

Multiple communication interfaces and low-power modes make it ideal for edge gateways aggregating sensor data.

Automotive Aftermarket Accessories

The -40°C to 85°C range and robust brown-out detection suit car alarm or telematics modules.

Q: What is the maximum clock speed of STM32L443RCY6TR?
A: It runs at 80MHz with an ARM Cortex-M4 core.
Q: What memory does it include?
A: 256KB flash and 64KB RAM.
Q: Does it support LCD?
A: Yes, it has an LCD driver.
Q: What is the supply voltage range?
A: 1.71V to 3.6V.
Q: What package is this variant?
A: 64-UFBGA or WLCSP package.
Base Product Number : STM32L443RCY6
1.71V-3.6V 256KB Flash 32-bit MCU 64-UFBGA 64KB RAM 80MHz ARM Cortex-M4 Brown-out Detect DMA Industrial IoT LCD PWM WDT Wearable WLCSP
Q: What is the maximum clock speed of STM32L443RCY6TR?
A: It runs at 80MHz with an ARM Cortex-M4 core.
Q: What memory does it include?
A: 256KB flash and 64KB RAM.
Q: Does it support LCD?
A: Yes, it has an LCD driver.
Q: What is the supply voltage range?
A: 1.71V to 3.6V.
Q: What package is this variant?
A: 64-UFBGA or WLCSP package.