RM5261A-300-HI PMC [PMC-Sierra, Inc], RM5261A-300-HI Datasheet - Page 10

• Manufacturer Part Number: RM5261A-300-HI
• Manufacturer: PMC [PMC-Sierra, Inc]

Proprietary and Confidential to PMC-Sierra, Inc and for its Customer’s Internal Use
Document ID: PMC-2002240, Issue 2
2
Block Diagram
Figure 1
Store Buffer
MultAdd, Add, Sub,
Packer/Unpacker
Floating-Point
Floating-Point
Floating-Point
Cvt, Div, Sqrt
2-way Set Associative
Register File
Primary Data Cache
Load/Align
D Bus
Block Diagram
Write Buffer
Read Buffer
System/Memory
DTLB
DTag
RM5261A™ Microprocessor with 64-Bit System Bus Data Sheet
Branch PC Adder
Program Counter
Control
PC Incrementer
Coprocessor 0
ITLB Virtual
Joint TLB
Pad Buffer
Address Buffer
IVA
ITLB
ITag
DVA
FP Bus
FA Bus
PLL/Clocks
DTLB Virtual
Integer Address/Adder
Integer Register File
Shifter/Store Aligner
Load Aligner
Primary Instruction Cache
Instruction
Logic Unit
2-way Set Associative
Register
Instruction Dispatch Unit
A/D Bus
FP
Int Mult, Div, Madd
Integer Bus
Instruction
Register
Pad Bus
Integer
Preliminary
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