The ρμ-code unit. The internal organization of the ρμ-
code unit is depicted in Figure 4. The ρμ-code unit comprises
three main parts: the sequencer, the reconfigurable
control (ρ-control) store, and the reconfigurable microcode
(ρμ-code) loading unit. The start op signal is generated
by the arbiter and initiates a CCU operation. The ρμ-code
loading unit, loads (ρμ-code) into the ρ-control store from
main memory address mc addr. Once the desired microprogram
is available in the ρ-control store, the sequencer
starts generating the microcode addresses towards the rCSAR
(reconfigurable Control Store Address Register).