In-System Debugging—IP2022 User’s Manual 342 www.ubicom.com NOP 1. 0000000
2. None
3. STATUS || W Run/Break mode:
No operation. May be used to read
response to an earlier command
when there is no new command to
be issued. Also, may be used to
check for “chip live” verification. OPEN 1. 0111111
2. None
3. ISP_STATUS Run/Break mode:
Open communication performed
after connecting to an external
device. RESET_ALL 1. 0000110
2. None
3. STATUS || W Run/Break mode:
Resets the processor to a reset
state; however the surrounding
external logic is not affected, i.e.,
not reset. It is equivalent to power-
on reset operation, and processor
will begin execution at the reset
vector. After this command, the pro-
cessor is placed in Run mode. This
command also performs an implicit
CLOSE command. RUN 1. 0011110
2. None
3. STATUS || W Break mode:
Start or resume program execution. Table 5-1  ISD/ISP Command Set (continued) Command Name  Opcode (1.),
Operand (2.), Return Value (3.) Description