AVR64DA48ST-I/6MX

Overview

The AVR64DA48ST-I/6MX is an 8-bit microcontroller from the AVR DA family, featuring a 48-pin VQFN package with the 'S' suffix indicating Program and Debug Interface Disable (PDID) support. It utilizes an AVR CPU running at up to 24 MHz, equipped with 64 KB of Flash memory, 8 KB of SRAM, and 512 B of EEPROM. The device includes advanced peripherals such as a 12-bit ADC, three analog comparators, a 10-bit DAC, and a Peripheral Touch Controller. Operating within an industrial temperature range of -40°C to +85°C, it supports supply voltages from 1.8V to 5.5V.

Feature Summary

• Features Program and Debug Interface Disable (PDID) for secure firmware protection against unauthorized access.
• Integrates intelligent analog features including a 12-bit differential ADC and zero-cross detectors for power control applications.
• Supports vertical migration within the AVR DA(S) family without code modification due to pin and feature compatibility.
• Includes a Peripheral Touch Controller with driven shield technology for capacitive touch sensing.

Applications

• Secure firmware upgrade implementations requiring boot code authentication
• Closed-loop control systems utilizing hardware multipliers and timers
• Sensor nodes leveraging low-power architecture and event system signaling
• Secondary safety monitoring devices in automotive or industrial environments

Procurement Notes

Verify that the specific ordering suffix matches the required package style and temperature grade. Confirm the presence of the 'S' designation if PDID security features are mandatory for the application. Ensure the component source is authorized to guarantee authenticity and compliance with RoHS directives. Cross-reference the full part number against official Microchip documentation to validate all functional specifications before integration.

Selection Notes

Select this variant when 48 pins and 64 KB of program memory are required alongside enhanced security features. The inclusion of PDID distinguishes it from standard versions, making it suitable for applications needing protection against physical tampering. Consider the VQFN package constraints for thermal management and PCB layout. Evaluate peripheral counts against project requirements to ensure optimal resource utilization compared to other pin-count variants in the series.

Part Context

This component belongs to the AVR DA(S) family, which represents Microchip's latest generation of 8-bit microcontrollers. The family emphasizes flexibility through an Event System and Core Independent Peripherals. Devices in this series share a common architectural foundation, allowing developers to scale designs across different pin counts and memory sizes while maintaining software compatibility.

Replacement Considerations

AVR64DA48-I/PT serves as a pin-compatible alternative without PDID support. AVR64DA48T-I/6MX offers identical functionality but in a tape-and-reel packaging format. Verify that any substitute lacks the specific security configuration if PDID is not required by the design.