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RC64474 Datasheet

  • RC64474

  • RISControllerTM Embedded 64-bit Microprocessor, based on RIS...

  • 395.70KB

  • 25頁

  • IDT

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RISController
TM
Embedded
64-bit Microprocessor, based on
RISCore4000
TM
Features
High performance 64-bit microprocessor, based on the
RISCore4000
鈥?Minimized branch and load delays, through streamlined
5-stage scalar pipeline.
鈥?Single and double precision floating-point unit
鈥?125 peak MFLOP/s at 250 MHz
鈥?330 Dhrystone MIPS at 250 MHz
鈥?Flexible RC4700-compatible MMU
鈥?Joint TLB on-chip, for virtual-to-physical address mapping
x
On-chip two-way set associative caches
鈥?16KB instruction cache (I-cache)
鈥?16KB data cache (D-cache)
x
Optional I-cache and D-cache locking (per set), provides
improved real-time support
x
Enhanced, flexible bus interface allows simple, low-cost
design
鈥?64-bit Bus Interface option, 1000MB/s bandwidth support
鈥?32-bit Bus Interface option, 500MB/s bandwidth support
鈥?SDRAM timing protocol, through delayed data in write cycles
鈥?RC4000/RC5000 family bus-protocol compatibility
鈥?Bus runs at fraction of pipeline clock (1/2 to 1/8)
x
Implements MIPS-III Instruction Set Architecture (ISA)
x
3.3V core with 3.3V I/O
x
x
RC64474
鈩?/div>
RC64475
鈩?/div>
Software compatible with entire RISController Series of
Embedded Microprocessors
x
Industrial temperature range support
x
Active power management
鈥?Powers down inactive units, through sleep-mode feature
x
100% pin compatibility between RC64574, RC64474 and
RC4640
x
100% pin compatibility between RC64575, RC64475 and
RC4650
x
RC64474 available in 128-pin QFP package, for 32-bit only
systems
x
RC64475 available in 208-pin QFP package, for full 64/32 bit
systems
x
Simplified board-level testing, through full Joint Test Action
Group (JTAG) boundary scan
x
Windows廬 CE compliant
Block diagram
330 M IPS
64-bit
RISCore4000
CPU Core
System Control
Coprocessor
(CPO)
125 M FLOPS
Single/Double
Precision
FPA
C ontrol B us
D ata B us
Instru ction B us
16KB
Instruction Cache
(Lockable)
32-/64-bit
Synchronized
System
Interface
16KB
Data Cache
(Lockable)
The IDT logo is a registered trademark and RC32134, RC32364, RC64145, RC64474, RC64475, RC4650, RC4640, RC4600,RC4700 RC3081, RC3052, RC3051, RC3041, RISController, and RISCore are trade-
marks of Integrated Device Technology, Inc.
1 of 25
錚?/div>
2001 Integrated Device Technology, Inc.
April 10, 2001
DSC 4952

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