[Openocd-svn] r2577 - trunk/doc

[ntfreak at B. <nt...@ma...>]

Author: ntfreak
Date: 2009-08-07 11:29:41 +0200 (Fri, 07 Aug 2009)
New Revision: 2577

Modified:
   trunk/doc/openocd.texi
Log:
David Brownell <da...@pa...>:
Better explanation for the TAP "-ircapture" parameter.


Modified: trunk/doc/openocd.texi
===================================================================
--- trunk/doc/openocd.texi	2009-08-07 09:19:06 UTC (rev 2576)
+++ trunk/doc/openocd.texi	2009-08-07 09:29:41 UTC (rev 2577)
@@ -2198,7 +2198,10 @@
 
 @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.