AVR32DA48ST-I/6MX

Overview

The AVR32DA48ST-I/6MX is an 8-bit microcontroller from Microchip Technology, featuring the AVR core. It provides 32 kB of Flash program memory and 4 kB of SRAM data memory. The device operates at a maximum clock frequency of 24 MHz and supports a supply voltage range of 1.8 V to 5.5 V. It includes a 12-bit ADC with multiple channels, three comparators, a temperature sensor (PTC), zero-crossing detectors, and a DAC. Communication interfaces include UART, SPI, and TWI. The component is housed in a 48-lead VQFN package and is rated for industrial temperatures between -40°C and +85°C.

Feature Summary

• Integrated Precision Digital Interface Device (PDID) for unique identification
• High-resolution 12-bit Analog-to-Digital Converter with programmable gain
• Built-in Peripheral Temperature Controller (PTC) and Zero-Crossing Detectors
• Flexible communication peripherals including USART, SPI, and TWI

Applications

• Industrial control systems requiring precise analog signal monitoring
• Smart energy metering applications utilizing PDID and low-power features
• Motor control circuits leveraging zero-crossing detection capabilities
• Sensor interface nodes integrating temperature and voltage measurements

Procurement Notes

Verify the specific suffix I/6MX corresponds to the industrial temperature grade and tape-and-reel packaging configuration. Confirm that the 48-lead VQFN footprint matches your PCB design constraints. Ensure compatibility with the 1.8V to 5.5V operating voltage range for your target application environment. Cross-reference the datasheet revision to confirm peripheral availability and electrical characteristics.

Selection Notes

Select this model when a compact 48-pin form factor is required alongside high-precision analog input capabilities. The inclusion of PDID makes it suitable for secure or traceable manufacturing environments. Consider the 24 MHz processing speed sufficient for real-time control loops involving multiple analog channels. Evaluate the integrated PTC and ZCD features to reduce external component count in thermal and AC-sensing designs.

Part Context

This part belongs to the AVR32DA family, which emphasizes digital integration and analog precision within an 8-bit architecture. It shares architectural similarities with other AVR32 devices but distinguishes itself through the specific combination of PDID, PTC, and ZCD features. The DA series targets applications needing robust analog performance without moving to higher-bit architectures.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.