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ManualsBrandsMICROCHIP TECHNOLOGY ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller TLLGA 48 (5.5x5.5) 32-Bit 50 MHz I/O number 36
841842843844845846847848849850
850
32142D–06/2013
ATUC64/128/256L3/4U
Figure 34-2. JTAG-based Debugger
Figure 34-3. aWire-based Debugger
34.3.6.1 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