Transcript lc4_datapath

16
LC4 Non-Pipelined
Datapath - Spring 2011
insn[2:0]
3
insn[11:9]
insn[11:9]
insn[8:6]
insn[11:9]
3
3
3’b111
3’b111
16
PC
16
Memory
16
216 by 16 bit
r1sel r2sel
we
16
Reg.
File
r1data
Reg.
File
16
addr
16
we
wsel
16
wdata
out
r2data
Memory
216 by 16 bit
in
16
n/z/p
3
NZP Reg
16
3
Branch 16
Unit
16
+1
16
we
NZP Reg