This document will help application designers familiar with the megaAVR® families to migrate to the AVR® Dx MCU families, covering both differences and similarities. The comparison is applicable for most of the megaAVR vs. the AVR Dx products but, in this document, the focus is on the ATmega128 and AVR128DA64, two generations of 128

AVR is a family of microcontrollers developed since 1996 by Atmel, acquired by Microchip Technology in 2016. These are modified Harvard architecture 8-bit RISC single-chip microcontrollers.

2025年2月26日 · 最新的avr dx和ex系列整合了更多功能： avr da系列：针对实时控制和电容触摸应用优化，用于实时控制、连接和人机界面（hmi）应用的功能安全就绪微控制器系列。 avr du系列：集成usb 2.0，增强数据通信能力。 avr eb系列：专为电机控制优化，适用于汽车和工业设备。

2010年1月5日 · These parts are the latest and highest spec 8-bit AVRs available, and take the AVR architecture to a whole new level with up to 128k flash, 16k SRAM, 55 I/O pins, 6 UART ports, 2 SPI and I2C ports, type A/B/D timers, and enhanced pin interrupts. I …

The Dx-series is the first AVR (as far as we know) that does what's quite common among ARM chips in order to support small feature sizes and higher speeds - they use an internal regulator to generate a lower voltage for the chip to run from, and only the I/O runs at the full supply voltage.

The AVR Dx devices are equipped with a 10-bit Digital-to-Analog Converter (DAC) that can run up to 140 ksps conversion rate. The output range is between GND and selected voltage reference and can be available on an external pin or to be used by other internal peripherals (like ADC).

The ADC of AVR Dx devices has a 12-bit resolution and a sample rate of up to 130 ksps. Its multiple internal and external inputs can be used in Single or Differential mode, selectable using the Conversion Mode (CONVM) bit in the Control A (ADCn.CTRLA) register.

This document will help application designers to become familiar with the megaAVR® families to migrate to the AVR® Dx MCU families, covering both differences and similarities. The comparison applies to most of the megaAVR vs. the AVR Dx products.

AVR ® Dx Devices Device Core Missing Instructions AVR128DA28 AVRxt EIJMP, EICALL AVR128DA32 AVRxt EIJMP, EICALL AVR128DA48 AVRxt EIJMP, EICALL AVR128DA64 AVRxt EIJMP, EICALL AVR32DA28 ... 7.2.3 AVR Dx Devices

2020年8月8日 · DxCore is here - Arduino support for the new DA-series parts! These are the latest and highest spec 8-bit AVR microcontrollers from Microchip. It's unclear whether these had been planned to be the "1-series" counterpart to the megaAVR 0-series, or whether such a thing was ever planned.