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IDT79RC64V475-250DZI

Description
RISControllerTM Embedded 64-bit Microprocessor, based on
File Size592KB,25 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
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IDT79RC64V475-250DZI Overview

RISControllerTM Embedded 64-bit Microprocessor, based on

RISController
TM
Embedded
64-bit Microprocessor, based on
RISCore4000
TM
Features
High performance 64-bit microprocessor, based on the
RISCore4000
– Minimized branch and load delays, through streamlined
5-stage scalar pipeline.
– Single and double precision floating-point unit
– 125 peak MFLOP/s at 250 MHz
– 330 Dhrystone MIPS at 250 MHz
– Flexible RC4700-compatible MMU
– Joint TLB on-chip, for virtual-to-physical address mapping
On-chip two-way set associative caches
– 16KB instruction cache (I-cache)
– 16KB data cache (D-cache)
Optional I-cache and D-cache locking (per set), provides
improved real-time support
Enhanced, flexible bus interface allows simple, low-cost
design
– 64-bit Bus Interface option, 1000MB/s bandwidth support
– 32-bit Bus Interface option, 500MB/s bandwidth support
– SDRAM timing protocol, through delayed data in write cycles
– RC4000/RC5000 family bus-protocol compatibility
– Bus runs at fraction of pipeline clock (1/2 to 1/8)
Implements MIPS-III Instruction Set Architecture (ISA)
3.3V core with 3.3V I/O
RC64474
RC64475
Software compatible with entire RISController Series of
Embedded Microprocessors
Industrial temperature range support
Active power management
– Powers down inactive units, through sleep-mode feature
100% pin compatibility between RC64574, RC64474 and
RC4640
100% pin compatibility between RC64575, RC64475 and
RC4650
RC64474 available in 128-pin QFP package, for 32-bit only
systems
RC64475 available in 208-pin QFP package, for full 64/32 bit
systems
Simplified board-level testing, through full Joint Test Action
Group (JTAG) boundary scan
Windows® CE compliant
Block diagram
330 MIPS
64-bit
RISCore4000
CPU Core
System Control
Coprocessor
(CPO)
125 MFLOPS
Single/Double
Precision
FPA
Control Bus
Data Bus
Instruction Bus
16KB
Instruction Cache
(Lockable)
32-/64-bit
Synchronized
System
Interface
16KB
Data Cache
(Lockable)
The IDT logo is a trademark and RC32134, RC32364, RC64145, RC64474, RC64475, RC4650, RC4640, RC4600,RC4700 RC3081, RC3052, RC3051, RC3041, RISController, and RISCore are trademarks of Inte-
grated Device Technology, Inc.
1 of 25
©
2001 Integrated Device Technology, Inc.
April 10, 2001
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