STM32L476JGY6PTR

Microcontrollers Overview

The STM32L476JGY6PTR is an ultra-low-power microcontroller based on the high-performance Arm Cortex-M4 32-bit RISC core operating at a frequency of up to 80 MHz. It features a Floating Point Unit (FPU) and Memory Protection Unit (MPU). The device embeds up to 1 Mbyte of Flash memory, 128 Kbytes of SRAM, and a flexible external memory controller (FSMC) for static memories. Key peripherals include three fast 12-bit ADCs, two comparators, two operational amplifiers, two DAC channels, an internal voltage reference buffer, a low-power RTC, and various timers. Communication interfaces comprise three I2Cs, three SPIs, three USARTs, two UARTs, one Low-Power UART, two SAIs, one SDMMC, one CAN, and one USB OTG.

Microcontrollers Feature Summary

• Integrates an LCD driver with an internal step-up converter for display applications.
• Supports four digital filters for external sigma delta modulators (DFSDM).
• Includes hardware protection mechanisms such as readout protection, write protection, and Firewall.
• Offers multiple independent power domains for analog peripherals and specific I/Os.

Microcontrollers Applications

• Industrial applications requiring robust peripheral integration.
• Medical devices utilizing DFSDM and precision analog components.
• Consumer electronics featuring LCD displays and capacitive sensing.
• Battery-powered systems leveraging ultra-low-power modes.

Microcontrollers Procurement Notes

Verify the complete part number including suffixes to ensure correct package type, temperature range, and tape-and-reel specifications. Confirm that the specific revision matches project requirements for pin compatibility and electrical characteristics. Cross-reference official datasheets for exact ordering codes to avoid discrepancies in manufacturing or assembly processes.

Microcontrollers Selection Notes

Select this component when high computational performance is required alongside strict power constraints. The inclusion of an FPU makes it suitable for complex signal processing tasks. Ensure the application utilizes the available communication interfaces and memory capacity efficiently. Consider the package availability and thermal management requirements for the chosen form factor during design.

Microcontrollers Part Context

This device belongs to the STM32L476xx series within the STM32L4 family. It shares the same core architecture and peripheral set with other variants in the series, differing primarily in memory size, package options, and pin count. The JG designation typically indicates a specific package configuration within this product line.

Microcontrollers Replacement Considerations

Compatible substitutes within the same family include STM32L476JGT6 and STM32L476JGY6TR. Verify pin-to-pin compatibility and memory specifications before substitution. Other series members may require firmware adjustments due to peripheral differences.