diff options
| -rw-r--r-- | doc/openocd.texi | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index 18077ccd..7c3b70e8 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -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. |