Xilinx ChipScope Pro

162 www.xilinx.com ChipScope Pro Software and Cores User Guide
UG029 (v14.3) October 16, 2012
Chapter 5: ChipScope Engine Tcl Interface
::chipscope::csejtag_tap set_device_idcode
This subcommand sets the IDCODE for a given device in the current JTAG chain. Passing a
null string indicates the device does not support the
IDCODE instruction.
Note: The JTAG target must be locked by using the ::chipscope::csejtag_target lock
subcommand before calling this subcommand. Also, the device count must be set prior to calling this
subcommand using the
::chipscope::csejtag_tap set_device_count.
Syntax
::chipscope::csejtag_tap set_device_idcode handle deviceIndex idcode
Arguments
Returns
An exception is thrown if the subcommand fails.
Example
Set the IDCODE of the device at index 0 to 01010101010101010101010101010101.
%::chipscope::csejtag_tap set_device_idcode $handle 0
“01010101010101010101010101010101”
Back to list of all CseJtag Tcl Commands
Table 5-34: Arguments for Subcommand ::chipscope::csejtag_tap
set_device_idcode
Argument Type Description
handle
Required
Handle to the session that is returned by
::chipscope::csejtag_session create.
deviceIndex Device index (0 to n-1) in the n-length JTAG chain.
idcode A 32-character string of ones and zeros
representing the 32-bit IDCODE of the device.