AT43USB325 Datasheet | Atmel

Features - - - - - - - - - - - - - - - - AVR® 8-bit RISC Microcontroller with 83 ns Instruction Cycle Time USB Hub with One Attached and Four External Ports USB Keyboard Function with Four Programmable Endpoints 16 KB Program Memory, 512-Byte Data SRAM 32 x 8 General-purpose Working Registers 42 Programmable I/O Port Pins Support for 20 x 8 Keyboard Matrix Keyboard Scan Inputs with Pull-up Resistor Four LED Driver Outputs One 8-bit Timer/Counter with Separate Pre-scaler One 16-bit Timer/Counter with Separate Pre-scaler and Dual 8-, 9- or 10-bit PWM External and Internal Interrupt Sources Programmable Watchdog Timer 6-MHz Oscillator with On-chip PLL 5V Operation with On-chip 3.3V Power...