Datasheet

1200
32117D–AVR-01/12
AT32UC3C
Figure 39-2. JTAG-based Debugger
Figure 39-3. aWire-based Debugger
39.3.6.1 Debug Communication Channel
The Debug Communication Channel (DCC) consists of a pair OCD registers with associated
handshake logic, accessible to both CPU and debugger. The registers can be used to exchange
data between the CPU and the debugmaster, both runtime as well as in debug mode.
32-bit AVR
JTAG-based
debug tool
PC
JTAG
10-pin IDC
32-bit AVR
aWire-based
debug tool
PC
aWire