MCUs

AVR128DB28 microcontroller

Build your own Super Arduino - 24MHz - no crystal required

Above and beyond the ATmega328 of the UNO and Nano the ACR128DB28

Features:

• 3 UARTs
• 2 SPI buses
• 2 I2C
• Dual Power Domains - Individual GPIOs can be set in software
• for 5V or 3V3 operation for example
• Software Selectable Operating Frequency from 1 - 24MHz
• Possible overclock to 36MHz
• 1.8V to 5.5V operation
• Single pin UPDI Upload/Debug
• Many other detailed functions