IDT79R4700-100G

IDT79R4700-100G Datasheet

IDT79R4700

Part	Datasheet
IDT79R4700-100G	IDT79R4700-100G (pdf)

Related Parts	Information
IDT79R4700-133DP	IDT79R4700-133DP
IDT79R4700-100DP	IDT79R4700-100DP
IDT79R4700-133G	IDT79R4700-133G
IDT79RV4700-100GH	IDT79RV4700-100GH
IDT79RV4700-100DP	IDT79RV4700-100DP
IDT79RV4700-133DP	IDT79RV4700-133DP
IDT79RV4700-133GH	IDT79RV4700-133GH
IDT79RV4700-150DP	IDT79RV4700-150DP
IDT79RV4700-150GH	IDT79RV4700-150GH
IDT79RV4700-200GH	IDT79RV4700-200GH
IDT79RV4700-175DP	IDT79RV4700-175DP
IDT79RV4700-175GH	IDT79RV4700-175GH
IDT79RV4700-200DP	IDT79RV4700-200DP

PDF Datasheet Preview
64-Bit RISC Microprocessor IDT79R4700 True 64-bit microprocessor 64-bit integer operations 64-bit floating-point operations 64-bit registers 64-bit virtual address space High-performance microprocessor 260 Dhrystone MIPS at 200MHz 100 peak MFLOP/s at 200MHz Two-way set associative caches Simple 5-stage pipeline High level of integration 64-bit, 200 MHz integer CPU 64-bit floating-point unit 16KB instruction cache 16KB data cache Flexible MMU with large, fully associative TLB Low-power operation 3.3V power supply, for the “RV” part 5V power supply, for the “R” part Dynamic power management Standby mode reduces internal power Fully software & pin-compatible with 40XX Processor Family Available in 179-pin PGA or 208-pin QFP Available at 80-200MHz, with mode bit dependent output clock frequencies 64GB physical address space Processor family for a wide variety of embedded applications LAN switches Routers Color printers The IDT79R4700 64-bit RISC Microprocessor is both software and pin-compatible with the R4XXX processor family. With 64-bit processing capabilities, the R4700 provides more computational power and data movement bandwidth than is delivered to typical embedded systems by 32-bit processors. The R4700 is upwardly software compatible with the IDT79R3000 microprocessor family, including the IDTRISController 79R3051 , R3052 , R3041 , R3081 as well as the R4640 , R4650 , RC64474/ 475 and R5000 . An array of development tools facilitates rapid development of R4700-based systems, allowing a variety of customers access to the MIPS Open Architecture philosophy. Block Diagram Data Set A Store Buffer Data Tag A DTLB Physical Data Tag B Instruction Set A SysAD Write Buffer Read Buffer Control Data Set B DBus Floating-point Register File Unpacker/Packer Floating-point Add/Sub/Cvt/Div/Sqrt Integer Divide Floating-point/Integer Multiply Phase Lock Loop, Clocks Floating-point Control Address Buffer Instruction Tag A ITLB Physical Instruction Tag B Instruction Select Instruction Register Instruction Set B IBus Tag AuxTag Joint TLB Load Aligner Integer Register File Integer/Address Adder Coprocessor 0 Data TLB Virtual DVA Shifter/Store Aligner Logic Unit December 5, 2008 Removed IDT from ordering codes on Ordering Information page. 8 of 25 December 5, 2008 IDT79R4700 Mode bit Mode bit reserved must be zero 14:13 Output driver strength 10 100% strength fastest , 11 83% strength, 00 67% strength, 01 50% strength slowest Writeback data rate 1 DDx, 2 DDxx, 3 DxDx, 4 DDxxx, 5 DDxxxx, 6 DxxDxx, 8 DxxxDxxx, reserved bit 15 0 TClock[0] enabled 1 TClock[0] disabled Clock divisor 7 reserved bit 16 0 TClock[1] enabled 1 TClock[1] disabled 0 Little endian, 1 Big endian bit 17 0 enabled 1 RClock[0] disabled 10:9 00 R4000 compatible, 01 reserved, 10 pipelined writes, 11 write re-issue bit 18 0 RClock[1] enabled 1 disabled Disable the timer interrupt on Int[5]. 255:19 Reserved must be zero 0 Enabled 1 Disabled reserved must be zero Ordering Information 79 YY Configuration XXXX Device Type 999 Speed A Package Process/ Temperature Range Blank Commercial to Case PGA 179 208-Pin QFP 80 100 133 150 175 200 4700 80 MHz 100 MHz 133 MHz 150 MHz 175 MHz 200 MHz Enhanced 64-bit CPU 3.3Vℜ± 5 5.0Vℜ± 5 Valid Combinations 79R4700 - 80, 100, 133 - GH, DP 79RV4700 -100, 133, 150, 175, 200 - GH, DP PGA, QFP Package PGA, QFP Package CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 for SALES 800-345-7015 or 408-284-8200 fax 408-284-2775 The IDT logo is a trademark of Integrated Device Technology, Inc. 25 of 25 for Tech Support email phone 408-284-8208 December 5, 2008

PDF Datasheet Preview

64-Bit RISC Microprocessor

IDT79R4700

True 64-bit microprocessor 64-bit integer operations 64-bit floating-point operations 64-bit registers 64-bit virtual address space

High-performance microprocessor 260 Dhrystone MIPS at 200MHz 100 peak MFLOP/s at 200MHz Two-way set associative caches Simple 5-stage pipeline

High level of integration 64-bit, 200 MHz integer CPU 64-bit floating-point unit 16KB instruction cache 16KB data cache Flexible MMU with large, fully associative TLB

Low-power operation 3.3V power supply, for the “RV” part 5V power supply, for the “R” part Dynamic power management Standby mode reduces internal power

Fully software & pin-compatible with 40XX Processor Family

Available in 179-pin PGA or 208-pin QFP

Available at 80-200MHz, with mode bit dependent output clock frequencies
64GB physical address space Processor family for a wide variety of embedded
applications LAN switches Routers Color printers

The IDT79R4700 64-bit RISC Microprocessor is both software and pin-compatible with the R4XXX processor family. With 64-bit processing capabilities, the R4700 provides more computational power and data movement bandwidth than is delivered to typical embedded systems by 32-bit processors.

The R4700 is upwardly software compatible with the IDT79R3000 microprocessor family, including the IDTRISController 79R3051 , R3052 , R3041 , R3081 as well as the R4640 , R4650 , RC64474/ 475 and R5000 . An array of development tools facilitates rapid development of R4700-based systems, allowing a variety of customers access to the MIPS Open Architecture philosophy.

Block Diagram

Data Set A Store Buffer

Data Tag A DTLB Physical

Data Tag B

Instruction Set A

SysAD

Write Buffer Read Buffer

Control

Data Set B DBus

Floating-point Register File

Unpacker/Packer

Floating-point Add/Sub/Cvt/Div/Sqrt

Integer Divide

Floating-point/Integer Multiply

Phase Lock Loop, Clocks

Floating-point Control

Address Buffer Instruction Tag A

ITLB Physical Instruction Tag B

Instruction Select Instruction Register

Instruction Set B

IBus

Tag AuxTag Joint TLB

Load Aligner Integer Register File

Integer/Address Adder

Coprocessor 0

Data TLB Virtual DVA

Shifter/Store Aligner

Logic Unit
December 5, 2008 Removed IDT from ordering codes on Ordering Information page.
8 of 25

December 5, 2008

IDT79R4700

Mode bit

Mode bit
reserved must be zero
14:13

Output driver strength 10 100% strength fastest , 11 83% strength, 00 67% strength, 01 50% strength slowest

Writeback data rate
1 DDx,
2 DDxx,
3 DxDx,
4 DDxxx,
5 DDxxxx,
6 DxxDxx,
8 DxxxDxxx,
reserved
bit 15
0 TClock[0] enabled 1 TClock[0] disabled

Clock divisor
7 reserved
bit 16
0 TClock[1] enabled 1 TClock[1] disabled
0 Little endian,
1 Big endian
bit 17
0 enabled 1 RClock[0] disabled
10:9
00 R4000 compatible,
01 reserved,
10 pipelined writes,
11 write re-issue
bit 18
0 RClock[1] enabled 1 disabled

Disable the timer interrupt on Int[5].
255:19

Reserved must be zero
0 Enabled
1 Disabled
reserved must be zero
Ordering Information
79 YY Configuration

XXXX

Device Type
999 Speed

A Package

Process/ Temperature

Range

Blank

Commercial to Case

PGA 179
208-Pin QFP
80 100 133 150 175 200
4700
80 MHz 100 MHz 133 MHz 150 MHz 175 MHz 200 MHz

Enhanced 64-bit CPU
3.3Vℜ± 5
5.0Vℜ± 5

Valid Combinations
79R4700 - 80, 100, 133 - GH, DP 79RV4700 -100, 133, 150, 175, 200 - GH, DP

PGA, QFP Package PGA, QFP Package

CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138
for SALES 800-345-7015 or 408-284-8200 fax 408-284-2775

The IDT logo is a trademark of Integrated Device Technology, Inc.
25 of 25
for Tech Support email phone 408-284-8208

December 5, 2008

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived IDT79R4700-100G Datasheet file may be downloaded here without warranties.

Datasheet ID: IDT79R4700-100G 637388