AVR64DA64T-I/MR

Overview

The AVR64DA64T-I/MR is an 8-bit microcontroller from the AVR DA family, featuring a 24 MHz AVR CPU with hardware multiplier. It includes 64 KB of Flash memory, 8 KB of SRAM, and 512 B of EEPROM. The device provides up to 55 programmable I/O pins and operates within a supply voltage range of 1.8 V to 5.5 V across an industrial temperature range of -40°C to +85°C. Peripherals include six USARTs, two SPIs, two TWIs, three analog comparators, one 12-bit ADC, one 10-bit DAC, three zero-cross detectors, and a Peripheral Touch Controller.

Feature Summary

• Supports vertical migration without code modification due to full pin and feature compatibility within the AVR DA(S) family.
• Integrates an Event System for CPU-independent inter-peripheral signaling and Configurable Custom Logic (CCL).
• Includes advanced analog features such as a 12-bit differential ADC with programmable gain amplifier and window compare functions in analog comparators.
• Features a Peripheral Touch Controller (PTC) supporting driven shield and boost mode technologies for capacitive touch applications.

Applications

• Industrial control systems requiring real-time processing and multi-voltage operation.
• Smart home appliances utilizing capacitive touch interfaces via the PTC.
• Internet of Things (IoT) devices needing low-power architecture and secure firmware upgrades.
• Automotive electronics operating under extended environmental conditions.

Procurement Notes

Verify that the ordering suffix 'T' corresponds to the Tape & Reel carrier type and 'MR' indicates the VQFN-64 package style. Confirm the 'I' suffix matches the required industrial temperature range of -40°C to +85°C. Ensure the specific silicon revision aligns with your design requirements by consulting the latest Silicon Errata document provided by Microchip Technology.

Selection Notes

Select this component when a high pin count (64-pin) is necessary alongside extensive peripheral availability, including multiple communication interfaces and touch sensing capabilities. Consider the AVR64DA64T-I/MR for designs requiring vertical migration flexibility within the AVR DA family while maintaining a compact surface-mount footprint suitable for dense PCB layouts.

Part Context

This part belongs to the AVR64DA28/32/48/64(S) series, which shares a common core architecture and instruction set. Devices in this series offer varying pin counts and peripheral configurations but maintain software compatibility. The AVR64DA64 variant represents the highest pin count option in the 64 KB Flash segment of this family.

Replacement Considerations

AVR64DA64-I/MR