Field Name             Bits   Default Description
KR                     7:0    0x0     Specifies the number of iterations. Unsigned 8-bit integer
                                      in [0, 255].
KG                     15:8   0x0     Specifies the initial value of the loop register (aL).
                                      Unsigned 8-bit integer in [0, 255].
KB                     23:16  0x0     Specifies the increment used to change the loop register
                                      (aL) on each iteration. Signed 7-bit integer in [-128,
                                      127].