AVR128DB64-E/PT

Overview

The AVR128DB64-E/PT is an 8-bit microcontroller from the AVR DB family, featuring a 24 MHz AVR CPU with hardware multiplier. It includes 128 KB of Flash memory, 16 KB of SRAM, and 512 bytes of EEPROM. The device operates within a supply voltage range of 1.8V to 5.5V and supports up to 55 programmable I/O pins. Key peripherals include a 12-bit ADC, three analog comparators, three op amps, and multiple communication interfaces such as USART, SPI, and TWI.

Feature Summary

• Multi-Voltage I/O (MVIO) capability on Port C for flexible interface compatibility
• Advanced analog subsystems including differential ADC and configurable op amps
• Event System enabling CPU-independent peripheral signaling
• Configurable Custom Logic (CCL) with Look-up Tables

Applications

• Industrial control systems requiring robust analog signal processing
• Smart energy metering applications utilizing multi-voltage interfaces
• Motor control designs leveraging zero-cross detectors and PWM timers
• Low-power embedded devices using sleep modes and event-driven architectures

Procurement Notes

Verify the specific suffix 'E' indicates the extended temperature range (-40°C to +125°C) compared to the industrial grade variant. Confirm package type 'PT' corresponds to the 64-pin TQFP form factor. Ensure ordering documentation matches the exact part number to avoid confusion with other memory or package variants within the AVR DB family.

Selection Notes

Select this component when high pin count and extensive analog features are required in an 8-bit architecture. The extended temperature rating makes it suitable for harsh environments. Consider vertical migration within the AVR DB family if future design changes require different memory sizes without code modification.

Part Context

This device belongs to the AVR DB family, which emphasizes low power consumption and advanced analog capabilities. It shares architectural similarities with other AVR microcontrollers but introduces enhanced peripherals like the Event System and Multi-Voltage I/O. The family supports seamless migration between different pin counts and memory configurations.

Replacement Considerations

AVR128DB64-I/PT serves as the industrial temperature range equivalent.