AVR64DB32-E/PT

Overview

The AVR64DB32-E/PT is an 8-bit microcontroller from the AVR DB family, featuring a 64 KB Flash memory, 8 KB SRAM, and 512 bytes of EEPROM. It operates at clock speeds up to 24 MHz with a supply voltage range of 1.8V to 5.5V. The device includes a 12-bit differential ADC, 10-bit DAC, three op amps, and three zero-cross detectors. It supports multiple communication interfaces including USART, SPI, and TWI/I2C. The -E suffix indicates an extended temperature range of -40°C to +125°C, housed in a TQFP-32 package.

Feature Summary

• AVR CPU with hardware multiplier running up to 24 MHz
• Multi-Voltage I/O (MVIO) on Port C for flexible logic levels
• Configurable Custom Logic (CCL) with programmable Look-up Tables
• Event System for CPU-independent inter-peripheral signaling

Applications

• Analog signal conditioning
• Sensor applications
• IoT terminal nodes

Procurement Notes

Verify the ordering suffix 'E' confirms the extended temperature range (-40°C to +125°C) as specified in the datasheet designation table. Confirm the 'PT' suffix corresponds to the TQFP package style. Ensure compatibility with the AVR DB family pinout if migrating from other variants like AVR64DB28 or AVR64DB48.

Selection Notes

Select this part when extended industrial temperature operation is required alongside high analog performance. The 64 KB Flash and 8 KB SRAM support complex control algorithms. The presence of MVIO allows interfacing with 3.3V or 5V peripherals directly on Port C without level shifters.

Part Context

This component belongs to the AVR64DB28/32/48/64 series within the broader AVR DB microcontroller family. It shares architectural features with the AVR32DB and AVR128DB variants but offers higher memory capacity. The device is designed for vertical migration within the family without code modification.

Replacement Considerations

AVR64DB32-I/PT is available for industrial temperature range requirements.