Microchip Technology, Inc. Microcontrollers ATXMEGA32A4U-MN

The ATXMEGA32A4U-MN is a high-performance, low-power 8/16-bit microcontroller from the Microchip AVR XMEGA family. It features a nonvolatile memory configuration that includes 32KB of in-system self-programmable flash, 2KB of internal SRAM, and 1KB of EEPROM. The device operates within a voltage range of 1.6V to 3.6V and supports clock frequencies up to 32MHz. This microcontroller is equipped with a variety of peripheral features, including a four-channel DMA controller, an eight-channel event system, and five 16-bit timer/counters with advanced waveform generation capabilities. It also includes a USB 2.0 device interface, multiple USARTs, I2C, SPI interfaces, and a 12-bit ADC with a 2msps sampling rate. Additional features include a real-time counter, programmable watchdog timer, and support for capacitive touch sensing through the QTouch library. The ATXMEGA32A4U-MN is available in a compact 44-lead VQFN package, making it suitable for space-constrained applications. Its combination of processing power, memory, and peripheral options makes it a versatile choice for various embedded system designs.