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IDT79R4640 Datasheet(PDF) 1 Page - Integrated Device Technology

Part No. IDT79R4640
Description  Low-Cost Embedded 64-bit RISController w/ DSP Capability
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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IDT79R4640 Datasheet(HTML) 1 Page - Integrated Device Technology

 
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April 10, 2001
 2001 Integrated Device Technology, Inc.
DSC 3486/2
Block Diagram
Block Diagram
Block Diagram
Block Diagram
The IDT logo is a registered trademark and RC4600, RC4650, RC3081,RC3052,RC3051,RC3041 RISController, and RISCore are trademarks of Integrated Device Technology, Inc.
267 MHz 64-bit CPU
64-bit Register File
64-bit Adder
Store Aligner
Logic Unit
Load Aligner
High-Performance
Integer Multiply
FP Register File
FP Add/Sub/Cvt/
Pack/Unpack
FP Multiply
89 MFlops Single-Precision FPA
Div/Sqrt
32-bit
Synchronized
System Interface
Address Translation/
Cache Attribute Control
Exception Management
Functions
System Control Coprocessor
Data Cache
Data Cache
Instruction Bus
Control Bus
Data Bus
Set A
(Lockable)
Set B
Instruction Cache
Set B
Instruction Cache
Set A
(Lockable)
Features
Features
Features
Features
x
High-performance embedded 64-bit microprocessor
– 64-bit integer operations
– 64-bit registers
– Based on the MIPS RISC Architecture
– 100MHz, 133MHz, 150MHz, 180MHz, 200MHz and 267MHz
operating frequencies
– 32-bit bus interface brings 64-bit power to 32-bit system cost
x
High-performance DSP capability
– 133.5 Million Integer Mul-Accumulate
operations/sec @267MHz
– 89 MFlops floating-point operations @267MHz
x
High-performance microprocessor
– 133.5 M Mul-Add/second @267MHz
– 89 MFlops @267MHz
– >640,000 dhrystone (2.1)/sec capability @267MHz (352
dhrystone MIPS)
x
High level of integration
– 64-bit, 267 MHz integer CPU
– 8KB instruction cache; 8KB data cache
– Integer multiply unit with 133.5M Mul-Add/sec
x
Upwardly software compatible with IDT RISController
Family
x
Easily upgradable to 64-bit system
x
Low-power operation
– Active power management powers-down inactive units
– Standby mode
x
Large, efficient on-chip caches
– Separate 8KB Instruction and 8KB Data caches
– Over 3200MB/sec bandwidth from internal caches
– 2-set associative
– Write-back and write-through support
– Cache locking, to facilitate deterministic response
– High performance write protocols, for graphics and data
communications
x
Bus compatible with RC4000 family
– System interfaces to 125MHz, provides bandwidth up to 500
MB/sec
– Direct interface to 32-bit wide systems
– Synchronized to external reference clock for multi- master
operation
– Socket compatible with IDT RC 64474 and RC64574
x
Improved real-time support
– Fast interrupt decode
– Optional cache locking
Note: “R” refers to 5V parts; “RV” refers to 3.3V parts; “RC”
refers to both
Low-Cost Embedded
64-bit RISController
w/ DSP Capability
IDT79RC4640


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