STMicroelectronics STM32L433CCU3

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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 ~ 125°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-UFQFPN (7x7)
Package / Case 48-UFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM32L433CCU3 is a low-power 32-bit microcontroller based on the ARM Cortex-M4 core. It operates at up to 80MHz and features 256KB of flash memory and 64K x 8 RAM. With a supply voltage range of 1.71V to 3.6V, it is optimized for energy-efficient applications. Its integrated LCD controller, DMA, and PWM make it a versatile choice for smart devices.

  • Ultra-Low Power: Designed for battery-powered applications with multiple low-power modes.
  • Integrated LCD: Directly drives displays without external controller.
  • High Temperature: Operates up to 125°C for demanding environments.
  • Large Memory: 256KB flash and 64K RAM for complex applications.

Smart Meters

The integrated LCD controller and low-power modes make it ideal for utility metering with display.

Industrial Sensors

With 125°C operation and DMA, it can handle high-temperature environments and data logging.

Portable Medical Devices

Low power consumption and 80MHz performance support glucose meters and pulse oximeters.

Building Automation

Its LCD and PWM features enable smart thermostats and lighting control panels.

IoT Edge Nodes

256KB flash and 64K RAM allow running connectivity stacks and sensor fusion algorithms.

Battery Management

Wide voltage range and robust features support battery monitoring in electric vehicles.

Q: What is the core of the STM32L433CCU3?
A: It uses an ARM Cortex-M4 core running at up to 80MHz.
Q: How much flash memory is available?
A: It has 256KB (256K x 8) of flash memory.
Q: What is the operating temperature range?
A: It operates from -40°C to 125°C.
Q: Does it have an LCD controller?
A: Yes, it includes an LCD controller, DMA, and PWM.
Q: What package is it in?
A: It comes in a 48-UFQFN exposed pad package.
Base Product Number : STM32L433CCU3
256KB Flash 32-bit 80MHz ARM Cortex-M4 IoT LCD Low Power MCU Medical Smart Meter UFQFN-48
Q: What is the core of the STM32L433CCU3?
A: It uses an ARM Cortex-M4 core running at up to 80MHz.
Q: How much flash memory is available?
A: It has 256KB (256K x 8) of flash memory.
Q: What is the operating temperature range?
A: It operates from -40°C to 125°C.
Q: Does it have an LCD controller?
A: Yes, it includes an LCD controller, DMA, and PWM.
Q: What package is it in?
A: It comes in a 48-UFQFN exposed pad package.