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ChipScope Pro Software and Cores User Guide
163
UG029 (v14.3) October 16, 2012
CseJtag Tcl Commands
::chipscope::csejtag_tap navigate
This subcommand is used to change the state of the TAP of a device in the JTAG chain.
Note:
The JTAG target must be locked by using the
::chipscope::csejtag_target lock
subcommand before calling this subcommand.
Syntax
::chipscope::csejtag_tap navigate handle newState clockRepeat
microseconds
Arguments
Returns
An exception is thrown if the subcommand fails.
Example
Navigate the TAP state to Test Logic Reset and keep it in this state for five additional clock
cycles.
%::chipscope::csejtag_tap navigate $handle $CSEJTAG_TEST_LOGIC_RESET 5
0
Back to list of all CseJtag Tcl Commands
Table 5-35:
Arguments for Subcommand ::chipscope::csejtag_tap navigate
Argument
Type
Description
handle
Required
Handle to the session that is returned by
::chipscope::csejtag_session create.
newState
New state to navigate into.
clockRepeat
Number of additional times to pulse the TCK pin
after entering the new state.
microseconds
Number of microseconds to sleep after
navigating to the new state.