ATXMEGA8E5-M4U

Overview

The ATXMEGA8E5-M4U is an 8/16-bit microcontroller from the AVR XMEGA E5 family, manufactured by Microchip Technology. It features 8KB of in-system self-programmable flash memory, 1KB of internal SRAM, and 512Bytes of EEPROM. The device operates at a maximum frequency of 32MHz with a supply voltage range of 1.6V to 3.6V. It includes a four-channel enhanced DMA controller, an eight-channel event system, three 16-bit timer/counters, two USARTs, one SPI interface, and one TWI interface. The component is housed in a 32-lead UQFN package measuring 4x4mm.

Feature Summary

• Supports high-resolution PWM generation with fault extension for safe driver handling
• Integrates a sixteen-channel 12-bit ADC with offset/gain correction and oversampling capabilities
• Includes a two-channel 12-bit DAC and analog comparators with window compare functions
• Features an XMEGA Custom Logic module for programmable logic functions

Applications

• Motor control systems
• Industrial control applications
• Battery charger designs
• Utility metering devices

Procurement Notes

Verify the specific ordering suffix M4U corresponds to the 32-lead Ultra Thin Quad No Lead (UQFN) package with dimensions 4x4mm. Confirm that the device revision matches the required specifications for your application. Ensure compliance with RoHS directives as the packaging is lead-free and halide-free. Check datasheet errata for any known silicon revisions affecting performance.

Selection Notes

Select this component when a compact 32-pin footprint is required alongside rich peripheral integration. The UQFN package offers a small form factor suitable for space-constrained designs. Consider the 32MHz operating speed and low power consumption modes for battery-operated applications requiring efficient processing.

Part Context

This part belongs to the AVR XMEGA E5 family, which provides high-performance, low-power solutions based on the AVR enhanced RISC architecture. The family ranges from 8KB to 32KB of Flash memory. The ATXMEGA8E5-M4U represents the entry-level storage capacity within this specific package variant, offering essential peripherals for embedded control tasks.

Replacement Considerations

ATXMEGA8E5-MU

FAQ

What programming interface does the ATXMEGA8E5-M4U support?

The device supports the Program and Debug Interface (PDI), which is a fast, two-pin interface used for programming and debugging.

Does the ATXMEGA8E5-M4U support capacitive touch sensing?

Yes, the device supports QTouch library functionality, enabling the implementation of capacitive touch buttons, sliders, and wheels.