
© G.N. Khan ARM Processors/Cores – EE8205: Embedded Computer Systems Page: 18
ARM7TDMI and ARM9 Pipeline
The ARM10TDMI pipeline
instruction
fet ch
instr uction
fetch
Thumb
decompress
ARM
decode
reg
read
reg
write
shift/ALU
reg
write
shift/ALU
r. read
decode
data memor y
access
Fetch Decode Execute
Memory WriteFetch Decode Execute
ARM 9TD MI
:
ARM7TDMI
:
branch
prediction
reg
write
r. re ad
decode
data memory
access
Memory WriteFetch Decode Execute
decode
Issue
multiplier
partials add
instruction
fetch
data
write
shift/ALU
addr.
calc.
multiply
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