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Table 2.2 Registers that can be operated for 4580 Group MCUsRegister Reference Modification Register Reference Modification
PC Yes Yes W2 Yes Yes
CY Yes Yes W6 Yes Yes
AYes Yes Q3 Yes Yes
BYes Yes Q4 Yes Yes
XYes Yes K0 Yes Yes
YYes Yes K1 Yes Yes
ZYes Yes K2 Yes Yes
DYes Yes PU0 - Yes
EYes Yes PU1 - Yes
SP Yes - PU2 - Yes
V1 Yes Yes MR Yes Yes
V2 Yes Yes R1 - Yes
I1 Yes Yes R2 - Yes
W1 Yes Yes