Watchpoints in IAR
------------------

1. Right-click a variable (global).

2. Select ``Set Data Breakpoint for 'myVar'`` to add it to the active breakpoints.

3. Go to the list of breakpoints (View --> Breakpoints)

4. Choose ``Edit...`` to set up whether the watchpoint should match on read,
   write, or any access.

.. figure:: /debugging/resources/iar_watchpoint_configure.png
    :align: center

    Configuring a hardware watchpoint to break on 8-bit write with value 0x42.
