EmbeddedRelated.com
    Parts   Microcontrollers  ARM Cortex-M4    STM32 Family    STM32L433    STM32L433VCT6
STM32L433VCT6

STM32L433VCT6

STMicroelectronics
ARM® Cortex®-M4 STM32L4 Microcontroller IC 32-Bit 80MHz 256KB (256K x 8) FLASH 100-LQFP (14x14)
Active421 in stock
Datasheet Digi-Key Mouser Compare Prices

Overview

The STM32L433VCT6 is an ultra-low-power microcontroller based on the ARM Cortex-M4 core with a Floating Point Unit (FPU) and DSP instructions. It operates at up to 80MHz and features 256KB of Flash memory and 64KB of RAM, designed specifically to minimize power consumption while maintaining high performance.

Why Choose This Part

This MCU offers an exceptional balance of power and performance, featuring a specialized ART Accelerator for zero-wait-state execution and a wide supply voltage range down to 1.71V. Its extensive peripheral set includes a dedicated LCD driver and diverse connectivity options like CAN and USB without requiring external components.

Applications

Battery-Powered Industrial Sensors
Leverages multiple low-power modes like Stop 2 (sub-microamp) and Batch Acquisition Mode to extend battery life in remote monitoring.
Handheld Medical Devices
Utilizes the integrated LCD controller and FPU for driving small displays and processing biometric data efficiently.
Smart Utility Meters
Combines CANbus, USB, and multiple UARTs with low-power run modes for secure and efficient utility data collection.
Wearable Technology
Fits within tight power budgets using the FlexPowerControl system while providing enough processing power for activity tracking.

Key Specifications

Speed 80MHz
RAM Size 64K x 8
Core Size 32-Bit
Peripherals Brown-out Detect/Reset, DMA, LCD, PWM, WDT
Connectivity CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB
Mounting Type Surface Mount
Number of I/O 83
Core Processor ARM Cortex-M4
Package / Case 100-LQFP
Data Converters A/D 16x12b; D/A 2x12b
Oscillator Type Internal
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 100-LQFP (14x14)
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V

Getting Started

Develop using the STM32Cube ecosystem, including STM32CubeIDE and the STM32CubeL4 HAL libraries. For hardware prototyping, the NUCLEO-L433RC-P board provides a compatible starting point for evaluating the L433 series power consumption and performance.

Dev Boards

Development boards and breakout modules featuring the STM32L433VCT6 or compatible chips — ready to use for prototyping.

NUCLEO-L432KC STMicroelectronics
Development Boards & Kits - ARM STM32 Nucleo-32 dev board STM32L432KC, supports Arduino nano conn
Digi-Key Mouser 2,384 in stock
B-L4S5I-IOT01A STMicroelectronics
SPBTLE-RF, STM32L4S5 STM32L4+ 802.11 b/g/n (WiFi/WLAN/Wi-Fi 4), Bluetooth® Smart 4.x Low Energy (BLE) Transceiver 2.4GHz
Digi-Key 171 in stock
NUCLEO-L476RG STMicroelectronics
Development Boards & Kits - ARM STM32 Nucleo-64 development board STM32L476RG MCU, supports Arduino & ST morpho
Digi-Key Mouser 3,931 in stock
NUCLEO-L496ZG STMicroelectronics
STM32L496 Nucleo-144 STM32L4 ARM® Cortex®-M4 MCU 32-Bit Embedded Evaluation Board
Digi-Key 93 in stock
Part of STM32 family » STM32L433

STM32L433 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Peripherals I/O Pins Package ADC/DAC Flash Stock
STM32L433VCT6 (this part) Brown-out Detect/R.. 83 LQFP-100 A/D 16x12b; D/A 2x.. 256KB 421
STM32L433CBU6 Brown-out Detect/R.. 38 UFQFN-48 A/D 10x12b; D/A 2x.. 128KB 2,059
STM32L433CCU6 Brown-out Detect/R.. 38 UFQFN-48 A/D 10x12b; D/A 2x.. 256KB 1,257
STM32L433RCT6 Brown-out Detect/R.. 52 LQFP-64 A/D 16x12b; D/A 2x.. 256KB 282
Also available as: STM32L433CCT6

Also Consider

STM32L433RCT6 STMicroelectronics - Offers the same memory and core features in a smaller 64-pin LQFP package if 100 pins are not required.
STM32L476VGT6 STMicroelectronics - Provides a larger 1MB Flash memory and more advanced peripheral sets while remaining in the same L4 family.
ATSAML21J18B-AUT MCHPMicrochip Technology - An alternative ARM Cortex-M0+ ultra-low-power MCU for applications that prioritize even lower active current over raw M4 performance.

Categories

Microcontrollers > ARM Cortex-M4 Microcontrollers > STMicroelectronics Wearables & Medical > Ultra-Low Power MCUs