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Development System Reference Guide www.xilinx.com 315
Hprep6 Options
R
–n (Specify Signature Value for Readback)
-n [signature]
The –signature option is applicable to the XC9500/XL/XV devices only. The value entered
in the signature field programs a set of bits in the CPLD that may be read-back via JTAG
after programming. This is often used as to identify the version of a design programmed
into a device.
Note:
The CoolRunner family also allows for a signature value, but it must be entered by the
programming tool (for instance, IMPACT or third party programmer).
–nopullup (Disable Pullups)
The -nopullup option instructs Hprep6 to disable the pullups on empty function blocks. By
default, pullups are enabled to minimize leakage current and prevent floating I/Os.
Note: The –nopullup option applies to XC9500/XL/XV devices only.
–s (Produce ISC File)
The –s option instructs Hprep6 to output an additional programming file in ISC IEEE1532
format.
Note:
ISC IEEE532 output is not available for the CoolRunner XPLA3 family.
–tmv (Specify Test Vector File)
-tmv filename
The -tmv option is used to specify a test vector file for use with iMPACT’s functional test
operation. The output .tmv file is in ABEL format.