STM32L4A6VGT6TR

Microcontrollers Overview

The STM32L4A6VGT6TR is an ultra-low-power microcontroller based on the high-performance 32-bit ARM Cortex-M4 core with a floating-point unit (FPU), operating at frequencies up to 80 MHz. It features 1 Mbyte of Flash memory and 320 Kbytes of SRAM. The device includes an integrated LCD driver, USB OTG full-speed interface, AES-256 hardware accelerator, and Quad SPI interface. It operates within a voltage range of 1.71 V to 3.6 V and supports an industrial temperature range from -40°C to +85°C.

Microcontrollers Feature Summary

• Integrates a high-performance ARM Cortex-M4 core with FPU for efficient digital signal processing and security-enhancing memory protection.
• Features an embedded LCD driver with internal step-up converter for direct display interfacing without external components.
• Includes robust security mechanisms such as readout protection, write protection, and hardware Firewall for embedded memories.

Microcontrollers Applications

• Industrial applications requiring secure data handling and low power consumption
• Smart home devices utilizing LCD interfaces and wireless connectivity
• Wearable electronics needing extended battery life and real-time processing

Microcontrollers Procurement Notes

Verify the specific package marking and date code against official STMicroelectronics documentation to ensure authenticity. Confirm that the ordering suffix matches the required tape-and-reel configuration for automated assembly processes. Cross-reference the part number with the latest datasheet revision to validate peripheral availability and electrical characteristics.

Microcontrollers Selection Notes

Select this component when design requirements demand a balance between high computational performance and minimal energy usage. The inclusion of dedicated peripherals like the LCD driver and USB OTG reduces external component count. Ensure the application utilizes the available I/Os and memory sizes efficiently to leverage the 100-pin LQFP package capabilities.

Microcontrollers Part Context

This microcontroller belongs to the STM32L4A6xx series, which extends the ultra-low-power portfolio with enhanced multimedia and connectivity features. It shares architectural similarities with other STM32L4 devices but offers higher memory density and specialized interfaces suitable for complex embedded systems requiring robust security and display management.

Microcontrollers Replacement Considerations

Compatible substitutes include STM32L486VGT6TR and STM32L496VGT6TR, provided pin compatibility and peripheral requirements align. Verify that alternative parts support the same 100-pin LQFP package and meet the specific memory and security feature needs of the design.