Control FSM for K = (C + D) * D

ALU

0

1

ALE

BLE

BSEL

ASEL

A

B

X1=C

X2=D

F

ASEL BSEL ALE BLE F

Control FSM

current outputs

state

s1

1 1 1 1 -

s2

0 0 1 0 A+B

s3

Y

Inputs appear at X1 , X2 in first clock cycle alone

Control FSM has no inputs, merely sequences through states

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