ECE 545Hands on Session 3

1
ECE 545-Hands on Session 3

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ECE 545 Introduction to VHDL
2
Datapath Block Diagram
3
Top-Level Interface Diagram
read
out_addr
in_addr
in_data
write
clk
reset
START
2
n
m
datapath
controller
reg_reset
Esum, Emin
Emax, ECi
comp
ltMIN
gtMAX
zi
n
out_data
DONE
4
Detailed Controller ASM
reset
S3
S0
reg_reset
comp, EsumEminltltMINEmaxltgtMAX
ECi
1
reset
0
0
zi
1
S1
S4
DONE
0
START
1
reset
(to state S0)
1
0
S2
reg_reset
0
START
1