AVR32DA48-I/6LX

Overview

The AVR32DA48-I/6LX is an 8-bit microcontroller from the AVR DA family, featuring a 48-pin VQFN package. It integrates 32 KB of Flash memory, 4 KB of SRAM, and 512 B of EEPROM. The device operates at a maximum frequency of 24 MHz with a supply voltage range of 1.8 V to 5.5 V. Key peripherals include a 12-bit ADC, three analog comparators, one DAC, two zero-cross detectors, and a Peripheral Touch Controller. It supports industrial temperature ranges from -40°C to +85°C.

Feature Summary

• Integrates a Peripheral Touch Controller (PTC) with Driven Shield+ technology for capacitive touch sensing.
• Includes Program and Debug Interface Disable (PDID) for secure firmware protection against unauthorized access.
• Features an Event System for CPU-independent inter-peripheral signaling to reduce power consumption.
• Supports flexible clock options including high-precision internal oscillators and external crystal inputs.

Applications

• Battery-powered consumer electronics requiring low-power operation.
• Industrial control systems utilizing zero-cross detection and analog monitoring.
• Smart home devices incorporating capacitive touch interfaces.
• Embedded applications needing secure boot and firmware update capabilities.

Procurement Notes

Verify the ordering suffix '6LX' corresponds to the VQFN48 package style as defined in the datasheet designation table. Confirm the 'I' suffix indicates the industrial temperature range (-40°C to +85°C). Ensure compatibility with the AVR DA family pinout if migrating from other variants. Check for specific PDID requirements if security features are mandatory for the application.

Selection Notes

Select this component when a balance of 8-bit simplicity and advanced peripheral integration is required. The 48-pin VQFN package suits space-constrained designs. Consider the AVR32DA48 over smaller pin-count variants if more I/O or touch channels are needed. Verify that the 24 MHz performance meets timing constraints. Evaluate the need for PDID security features versus standard AVR DA devices.

Part Context

This part belongs to the AVR DA(S) family, which offers vertical migration compatibility within the series. It shares architectural similarities with AVR32DA28 and AVR32DA32 but provides increased I/O count and touch channels due to the 48-pin form factor. The family emphasizes low-power efficiency and robust analog features for modern embedded applications.

Replacement Considerations

AVR32DA48-S/6LX: Identical specifications but includes the PDID security feature.

FAQ

What does the '6LX' suffix indicate for this microcontroller?

The '6LX' suffix designates the 48-pin VQFN package style for the AVR32DA48 device.

Is the PDID feature available on the AVR32DA48-I/6LX?

No, the PDID feature is only available on AVR DAS devices. This standard AVR32DA48 variant does not include PDID.

Can this device operate with an external crystal oscillator?

Yes, the device supports a 32.768 kHz external crystal oscillator (XOSC32K) for the Real-Time Counter and low-power modes.