Device Core = AVR / Data Bus Width Bit = 8 / Instruction Set Architecture = RISC / Family Name = ATmega128A / Clock Frequency Max. MHz = 16 / Program Memory Type = Flash / Program Memory Size KB = 4 / Data Memory Size KB = 128 / RAM Memory Size KB = 4 / Interfaces = SPI / Interfaces = USART / ADC Channels = 8 / ADC Resolution Bit = 10 / Number of Programmable I/Os = 53 / Number of Timers/Counters = 4 / Comparators = 1 / Supply Voltage Min. V = 1.8 / Supply Voltage Max. V = 5.5 / Operating Temperature Min. °C = -40 / Operating Temperature Max. °C = 85 / Package Type = VQFN / Pins = 64 / Mounting Type = SMD / Length mm = 9 / Width mm = 9 / Height mm = 1