ARM Cortex-M3 User Manual Page 29

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29
It takes 3 cycles to complete the branch
Worst case scenario
indirect branch taken
Cycle
Address
Operation
0x8000
BX r5
0x8002
SUB
0x8FEE
ORR
0x8FEC
AND
0x8FF0
EOR
0x8004
ORR
1
2
3
4
5
6
7
8
9
F
D
E
F
D
F
E
F
D
E
F
D
F
D
E
F
-
Fetch
D
-
Decode
E
Execute
Branch Pipeline Example
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