RM5261-200-QI PMC-Sierra Inc, RM5261-200-QI Datasheet - Page 10
RM5261-200-QI
Manufacturer Part Number
RM5261-200-QI
Description
RM5261 Microprocessor with 64-Bit System Bus Data Sheet Released
Manufacturer
PMC-Sierra Inc
Datasheet
1.RM5261-200-QI.pdf
(40 pages)
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Proprietary and Confidential to PMC-Sierra, Inc and for its Customer’s Internal Use
Document ID: PMC-2002241, Issue 1
2
Block Diagram
Figure 1
Store Buffer
MultAdd, Add, Sub,
Packer/Unpacker
Floating-Point
Floating-Point
Floating-Point
2-way Set Associative
Cvt, Div, Sqrt
Register File
Primary Data Cache
Load/Align
D Bus
Block Diagram
Write Buffer
Read Buffer
System/Memory
DTLB
DTag
Branch PC Adder
Program Counter
Control
PC Incrementer
RM5261™ Microprocessor with 64-Bit System Bus Data Sheet
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
Released
10
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