diff options
Diffstat (limited to 'doc/openocd.texi')
| -rw-r--r-- | doc/openocd.texi | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index d4e60a80..c1c49a8f 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -1447,7 +1447,8 @@ Adaptive clocking provides a partial workaround, but a more complete solution just avoids using that instruction with JTAG debuggers. @end quotation -If the board supports adaptive clocking, use the @command{jtag_rclk} +If both the chip and the board support adaptive clocking, +use the @command{jtag_rclk} command, in case your board is used with JTAG adapter which also supports it. Otherwise use @command{jtag_khz}. Set the slow rate at the beginning of the reset sequence, @@ -2387,7 +2388,8 @@ However, it introduces delays to synchronize clocks; so it may not be the fastest solution. @b{NOTE:} Script writers should consider using @command{jtag_rclk} -instead of @command{jtag_khz}. +instead of @command{jtag_khz}, but only for (ARM) cores and boards +which support adaptive clocking. @deffn {Command} jtag_khz max_speed_kHz A non-zero speed is in KHZ. Hence: 3000 is 3mhz. |