Datasheet Summary
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Features
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- AVR® Microcontroller-based USB Hub and Function Controller One Upstream Port Plus Four External and One Attached Downstream Ports USB Hub with Two Endpoints Embedded USB Function with 3 Endpoints 32 Programmable I/O Port Pins High-performance and Low-power AVR RISC Microcontroller 120 Powerful Instructions
- Most with 83 ns Execution Cycle Times 128K Bytes Program Memory Address Range 512 Bytes Internal SRAM 32 x 8 General-purpose Working Registers Programmable UART and SPI Serial Interface One 8-bit Timer/Counter with Separate Prescaler One 16-bit Timer/Counter with Separate Prescaler External and Internal Interrupt...