STMicroelectronics STM32L433RCT3

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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 ~ 125°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 STM32L433RCT3 from STMicroelectronics is an ultra-low-power 32-bit MCU based on the ARM Cortex-M4 core with FPU, running at 80MHz. It offers 256KB of flash and 64KB of SRAM, along with an integrated LCD driver, DMA, PWM, and multiple low-power modes. Operating from 1.71V to 3.6V and rated for -40°C to +125°C, it is packaged in a 64-LQFP, targeting smart meters, industrial, and medical applications.

  • Ultra-low power: Multiple low-power modes extend battery life significantly.
  • High performance: 80MHz Cortex-M4 with FPU accelerates math-intensive tasks.
  • Integrated LCD: Eliminates external display driver, reducing BOM cost.
  • Wide temperature range: -40°C to +125°C suits harsh environments.
  • Rich peripherals: DMA, PWM, and multiple serial interfaces for versatile designs.

Smart Meters

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

Medical Wearables

Ultra-low power consumption and 125°C rating support wearable health monitors in harsh conditions.

Industrial Sensors

80MHz Cortex-M4 with FPU handles complex signal processing for predictive maintenance.

Building Automation

Multiple communication interfaces and DMA enable HVAC and lighting control systems.

Portable Instruments

1.71V operation and rich analog peripherals suit battery-powered measurement tools.

Consumer IoT Hubs

With 256KB flash, it can host protocol stacks for smart home gateways.

Q: What is the core processor of the STM32L433RCT3?
A: It uses an ARM Cortex-M4 core with FPU running at 80MHz.
Q: What is the operating temperature range?
A: It is rated for -40°C to +125°C.
Q: Does it support LCD driving?
A: Yes, it has an integrated LCD controller.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V.
Q: How much RAM does it have?
A: It has 64KB of SRAM.
Base Product Number : STM32L433RC
256KB Flash 32-bit MCU 64KB SRAM 80MHz ARM Cortex-M4 DMA Industrial LCD LQFP-64 Medical PWM STMicroelectronics Ultra-low-power
Q: What is the core processor of the STM32L433RCT3?
A: It uses an ARM Cortex-M4 core with FPU running at 80MHz.
Q: What is the operating temperature range?
A: It is rated for -40°C to +125°C.
Q: Does it support LCD driving?
A: Yes, it has an integrated LCD controller.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V.
Q: How much RAM does it have?
A: It has 64KB of SRAM.