MMDSP Debugger 1 5
©1989-2019 Lauterbach GmbH
DRPRE (default: 0) <number> of TAPs in the JTAG chain between the core of
interest and the TDO signal of the debugger. If each core in the system
contributes only one TAP to the JTAG chain, DRPRE is the number of
cores between the core of interest and the TDO signal of the debugger.
DRPOST (default: 0) <number> of TAPs in the JTAG chain between the TDI signal
of the debugger and the core of interest. If each core in the system
contributes only one TAP to the JTAG chain, DRPOST is the number of
cores between the TDI signal of the debugger and the core of interest.
IRPRE (default: 0) <number> of instruction register bits in the JTAG chain
between the core of interest and the TDO signal of the debugger. This is
the sum of the instruction register length of all TAPs between the core of
interest and the TDO signal of the debugger.
IRPOST (default: 0) <number> of instruction register bits in the JTAG chain
between the TDI signal and the core of interest. This is the sum of the
instruction register lengths of all TAPs between the TDI signal of the
debugger and the core of interest.
TAPState (default: 7 = Select-DR-Scan) This is the state of the TAP controller when
the debugger switches to tristate mode. All states of the JTAG TAP
controller are selectable.
TCKLevel (default: 0) Level of TCK signal when all debuggers are tristated.
TriState (default: OFF) If several debuggers share the same debug port, this
option is required. The debugger switches to tristate mode after each
debug port access. Then other debuggers can access the port. JTAG:
This option must be used, if the JTAG line of multiple debug boxes are
connected by a JTAG joiner adapter to access a single JTAG chain.
Slave (default: OFF) If more than one debugger share the same debug port, all
except one must have this option active.
JTAG: Only one debugger - the “master” - is allowed to control the signals
nTRST and nSRST (nRESET).
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