David Brownell <david-b@pacbell.net>:
authorntfreak <ntfreak@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Fri, 7 Aug 2009 09:29:41 +0000 (09:29 +0000)
committerntfreak <ntfreak@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Fri, 7 Aug 2009 09:29:41 +0000 (09:29 +0000)
Better explanation for the TAP "-ircapture" parameter.

git-svn-id: svn://svn.berlios.de/openocd/trunk@2577 b42882b7-edfa-0310-969c-e2dbd0fdcd60

doc/openocd.texi

index 18077ccd6debc5ac15908814b5e71702d5822061..7c3b70e85928a1d6e49d7250798e7f05405a993e 100644 (file)
@@ -2198,7 +2198,10 @@ Every TAP requires at least the following @var{configparams}:
 
 @itemize @bullet
 @item @code{-ircapture} @var{NUMBER}
-@*The IDCODE capture command, such as 0x01.
+@*The bit pattern loaded by the TAP into the JTAG shift register
+on entry to the @sc{ircapture} state, such as 0x01.
+JTAG requires the two LSBs of this value to be 01.
+The value is used to verify that instruction scans work correctly.
 @item @code{-irlen} @var{NUMBER}
 @*The length in bits of the
 instruction register, such as 4 or 5 bits.

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