IP2022 User’s Manual—In-System Debugging www.ubicom.com 331 transmitted and received, so commands that do not return data
return zero. Figure 5-1  Command/Acknowledge Formats 515-049.eps  In-Circuit
Debugger /Programmer IP2022 3 Bytes Opcode With Operand Operand 0 Opcode No Operand 0x0000 0 Command 3 Bytes 16-Bits Opcode With Return Value Return Value 1 Opcode No Return Value DONE Bit
Set when IP2022 is indicating
previous command has completed. 0x0000 1 Acknowledge 16-Bits