AT43USB326 Datasheet | Atmel

Features - - - - - - - - - - - - - - - AVR® 8-bit RISC Microcontroller with 83 ns Instruction Cycle Time USB Hub with One Attached and Two External Ports USB Keyboard Function with Three Programmable Endpoints 16 KB Program Memory, 512 Bytes Data SRAM 32 x 8 General-purpose Working Registers 32 Programmable I/O Port Pins Support for 18 x 8 Keyboard Matrix Keyboard Scan Inputs with Pull-up Resistor Four LED Driver Outputs One 8-bit Timer/Counter with Separate Pre-scaler External and Internal Interrupt Sources Programmable Watchdog Timer 6 MHz Oscillator with On-chip PLL 5V Operation with On-chip 3.3V Power Supply 48-lead LQFP Package Multimedia USB Keyboard Controller with Embedded Hub...