4.5.1.2 debugWIRE OCD Features
The debugWIRE OCD is a specialized OCD module with a limited feature set specially designed for AVR devices with low pin-count. It supports the following features:
- Complete program flow control
 - Full access to all registers and memory areas
 - Unlimited user program breakpoints
                (using 
BREAKinstruction) - Automatic baud rate configuration based on target clock
 
