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-rw-r--r--doc/openocd.texi2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi
index 1aaac584..323136f3 100644
--- a/doc/openocd.texi
+++ b/doc/openocd.texi
@@ -3369,7 +3369,7 @@ hardware to find these values.
option. When vendors put out multiple versions of a chip, or use the same
JTAG-level ID for several largely-compatible chips, it may be more practical
to ignore the version field than to update config files to handle all of
-the various chip IDs.
+the various chip IDs. The version field is defined as bit 28-31 of the IDCODE.
@item @code{-ircapture} @var{NUMBER}
@*The bit pattern loaded by the TAP into the JTAG shift register
on entry to the @sc{ircapture} state, such as 0x01.