AVR128DA64S-I/5LX

Overview

The AVR128DA64S-I/5LX is an 8-bit microcontroller from the AVR DA(S) family, featuring a 24 MHz AVR CPU with hardware multiplier. It includes 128 KB Flash, 16 KB SRAM, and 512 B EEPROM. The device operates between 1.8 V and 5.5 V within the industrial temperature range of -40°C to +85°C. It utilizes a 48-pin VQFN package (designated by '5LX') and provides up to 41 programmable I/O pins. Key peripherals include a 12-bit ADC with 18 channels, three analog comparators, three zero-cross detectors, and a Peripheral Touch Controller supporting up to 32 self-capacitance and 256 mutual capacitance channels.

Feature Summary

• Integrated Program and Debug Interface Disable (PDID) for secure firmware protection against unauthorized access.
• Advanced analog signal conditioning capabilities including a 12-bit differential ADC and multiple voltage references.
• Supports capacitive touch interfaces via the Peripheral Touch Controller with Driven Shield+ technology.
• Features an Event System for predictable inter-peripheral signaling without CPU intervention.

Applications

• Industrial control systems requiring secure firmware updates
• Smart energy metering applications utilizing zero-cross detection
• Consumer devices employing capacitive touch user interfaces

Procurement Notes

Verify that the specific ordering suffix matches the required package style and temperature grade. Confirm the presence of the PDID feature if security requirements are mandatory. Ensure compatibility with existing design tools and programming interfaces before finalizing procurement decisions.

Selection Notes

Select this component when vertical migration within the AVR DA(S) family is needed without code modification. Choose this part for designs requiring high pin counts in compact packages while maintaining advanced analog features. Consider the 48-pin form factor for balancing peripheral availability with board space constraints.

Part Context

This device belongs to the AVR128DA28/32/48/64(S) series, which offers horizontal and vertical migration paths. The 'S' designation indicates the inclusion of the PDID security feature. The 'I' suffix specifies the industrial temperature range, ensuring reliable operation in demanding environments compared to commercial variants.

Replacement Considerations

AVR128DA64-E/5LX

FAQ

What does the 'S' suffix indicate in the model number?

The 'S' suffix denotes that the device includes the Program and Debug Interface Disable (PDID) feature for enhanced security.

How many general-purpose I/O pins are available on this package?

The 48-pin variant provides up to 41 programmable general-purpose I/O pins.

Is the device compatible with other members of the AVR DA family?

Yes, it supports vertical migration without code modification to other devices in the AVR DA(S) family.