RM7000-263S datasheet(10/54 Pages) PMC

Part #	RM7000-263S

Description	RM7000??Microprocessor with On-Chip Secondary Cache Datasheet Released

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Manufacturer	PMC [PMC-Sierra, Inc]

Direct Link	http://www.pmc-sierra.com

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10 / 54 page

Proprietary and Confidential to PMC-Sierra, Inc and for its Customer’s Internal Use

10

Document ID: PMC-2002175, Issue 1

RM7000™ Microprocessor with On-Chip Secondary Cache Datasheet

Released

2

Block Diagram

Figure 1

Block Diagram

F Pipe

M Pipe

Instruction Dispatch Unit

Secondary Tags

Set A

Secondary Tags

Set B

Secondary Tags

Set D

Secondary Tags

Set C

Primary Data Cache

4-way Set Associative

Primary Instruction Cache

4-way Set Associative

DTag

DTLB

ITag

ITLB

Prefetch Buffer

F Pipe Register

M Pipe Register

Store Buffer

Write Buffer

Read Buffer

Pad Buffer

Address Buffer

Load Aligner

Integer Register File

Adder

DTLB Virtual

StAln/Sh

Logicals

PLL/Clocks

Floating-Point

Load/Align

Floating-Point

Register File

Packer/Unpacker

Comparator

Floating-Point

MultAdd, Add, Sub,

Cvt, Div, Sqrt

Multiplier Array

Joint TLB

Coprocessor 0

System/Memory

Control

PC Incrementer

Branch PC Adder

ITLB Virtual

Program Counter

Int Mult, Div, Madd

DVA

IVA

Extenal Cache Controller

On-chip 256K Byte Secondary Cache, 4-way Set Associative

Adder

Shifter

Logicals

Pad Bus

D Bus

F-Pipe Bus

M-Pipe Bus

FA Bus

A/D Bus

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RM7000-263S Datasheet(PDF) 10 Page - PMC-Sierra, Inc

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