4.5.1.3 megaAVR OCD Features

The megaAVR OCD is based on the JTAG physical interface. It supports the following features:

Complete program flow control.
Full access to all registers and memory areas.
Four program memory (hardware) breakpoints (one is reserved).
Hardware breakpoints can be combined to form data breakpoints.
Unlimited number of program breakpoints (using BREAK) (except ATmega128[A]).

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