AVR64DB64-I/PT

Overview

The AVR64DB64-I/PT is an 8-bit microcontroller from the AVR DB family, featuring a hardware multiplier CPU running at up to 24 MHz. It includes 64 KB of Flash memory, 8 KB of SRAM, and 512 bytes of EEPROM. The device provides 55 programmable I/O pins in a TQFP-64 package. Key peripherals include a 12-bit ADC with 22 channels, three op amps, three zero-cross detectors, a 10-bit DAC, six USARTs, two SPIs, and two TWI interfaces. Operating voltage ranges from 1.8 V to 5.5 V, with an industrial temperature range of -40°C to +85°C.

Feature Summary

• Features Multi-Voltage I/O (MVIO) on Port C for flexible voltage threshold selection.
• Includes an analog signal conditioning peripheral with up to three op amps and internal resistor ladders.
• Supports CPU-independent inter-peripheral signaling via an integrated Event System.
• Provides Configurable Custom Logic with programmable Look-up Tables for complex digital functions.

Applications

• Power control systems utilizing optimized PWM timers and zero-cross detection.
• Industrial communication networks requiring multiple serial interfaces.
• Sensor interface designs leveraging high-resolution differential ADCs.
• Applications necessitating multi-voltage logic level translation.

Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing design constraints regarding pin count and memory requirements. Confirm that the selected variant meets all necessary regulatory standards for the intended deployment environment.

Selection Notes

Select this component when vertical migration within the AVR DB family is required without code modification. Consider the device if the application demands high-speed analog processing alongside robust digital control capabilities. Evaluate the extensive peripheral set against system complexity to optimize resource utilization.

Part Context

This part belongs to the AVR64DB28/32/48/64 series, designed for full pin and feature compatibility across the family. It utilizes the latest AVR architecture technologies, emphasizing low-power operation and advanced analog subsystems. The device supports seamless horizontal migration to lower pin counts or vertical scaling within the same footprint.

Replacement Considerations

AVR64DB48-I/PT

FAQ

What is the maximum operating frequency of the AVR64DB64-I/PT?

The device features an AVR CPU with a hardware multiplier that runs at clock speeds up to 24 MHz.

Does the AVR64DB64 support simultaneous host and client operations on its I2C interface?

Yes, the TWI/I2C interface can operate simultaneously as a host and client on different pins.