+=====-========-========-========-========-========-========-========-========+ | Bit| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |Byte | | | | | | | | | |=====+=======================================================================| | 0 | Reserved | |-----+-----------------------------------------------------------------------| | 1 | Count basis | Cause | Type | +=============================================================================+