Features
AVR® 8-bit RISC Microcontroller with 83 ns Instruction Cycle Time USB Hub with One Attached and Two External Ports USB Function with Three Programmable End-points 24 KB Program Memory, 1 KB Data SRAM 32 x 8 General-purpose Working Registers 27 Programmable I/O Port Pins 12-channel 10-bit ADC Master/Slave SPI Serial Inte...