
4
AMD-K5 Processor Data Sheet 18522F/0—Jan1997
PRELIMINARY INFORMATION
2 Block Diagram
Fetch
Decode
Load
Store
Execute
8 Ports
64
Result
Retire
Fastpath Hardware ROPs
M Code Microcode ROPs
R.S. Reservation Station
Port 41 bits
Address
Data
32
8 Ports
4 Ports
5 Ports
2 Ports
Load
Store
Prefetch & Predecode
Branch Prediction
Instruction
Cache
Linear Tags
Byte
Queue
Fast
Path
M
Code
Fast
Path
M
Code
Fast
Path
M
Code
Fast
Path
M
Code
R.S.
R.S.
ALU
R.S.
ALU
R.S.
Branch
R.S.
FPU
Load
Store
Load
Store
Reorder Buffer
(ROB)
Register File
(x86 GPRs, FPRs)
Memory Management Unit
(TLBs and Physical Tags)
Bus Interface Unit
Data
Cache
Linear Tags
Store
Buffer
4 Ports
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