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Overview

SWUSB is a software-only USB library for the BASCOM-AVR BASIC compiler for Atmel AVR series microcontrollers. It allows most AVRs to act as low-speed USB devices without the addition of a USB chip.

Limitations

• Requires a crystal
  • 12MHz or 15MHz
• Low-speed only
• No other interrupts allowed in the design while USB is enabled
• Requires a part with 4k program flash