鈩?/div>
Features
High-performance embedded RISController
TM
microprocessor, based on IDT RISCore32300
TM
32-bit CPU
core
鈥?Based on MIPS 32 RISC architecture with enhancements
鈥?Scalar 5-stage pipeline minimizes branch and load delays
鈥?66 Million multiply accumulate (MAC) Mul-Add/second
@ 133MHz
鈥?100 and 133 frequencies
x
MIPS 32 (ISA) instruction set architecture
鈥?MIPS IV compatible conditional move instructions
鈥?MIPS IV superset PREF (prefetch) instruction
鈥?Fast multiplier with atomic multiply-add, multiply-sub
鈥?Count leading zeros/ones instructions
x
Large, efficient on-chip caches
鈥?Separate 8kB Instruction cache and 2kB Data cache
鈥?2-way set associative
鈥?Write-back and write-through support on a per page basis
鈥?Optional cache locking with 鈥減er line鈥?resolution, to facilitate
deterministic response
鈥?Simultaneous instruction and data fetch in each clock cycle,
sustained rate, achieves over 1 GB/sec bandwidth
x
Flexible RC4000 compatible MMU with 32-page TLB on-chip
鈥?Variable page size
鈥?Variable number of locked entries
鈥?No performance penalty for address translation
x
Flexible bus interface allows simple, low-cost designs
鈥?Bus interface runs at a fraction of pipeline rate
鈥?Programmable port-width interface (8-,16-, 32-bit memory and
I/O regions)
鈥?Programmable bus turnaround times (BTA)
鈥?Supports single data or burst transactions
x
Improved real-time support
鈥?Fast interrupt decode
x
Low-power operation
鈥?Active power management: powers down inactive units
鈥?Typical power 700mW @ 133MHz
鈥?Stand-by mode <300mW
x
Enhanced JTAG interface, for low-cost in-circuit emulation
(ICE)
x
MIPS architecture ensures applications software
compatibility throughout the RISController series of
embedded processors
x
Industrial temperature range support
x
3.3V operation (core and I/O)
x
Block Diagram
RISCore32300
TM
Extended MIPS 32
Integer CPU Core
MMU RISCore4000 Compatible
System Control
w/
TLB Coprocessor (CPO)
Enhanced JTAG (ICE Interface)
8kB I-Cache,
2-set, lockable
2kB D-Cache, 2-set,
lockable, write-back/write-through
Clock
Generation
Unit
RISCore32300 Internal Bus Interface
RC32364 Bus Interface Unit
The IDT logo is a registered trademark and ORION, RC4650, RC4640, RV4640, RC4600, RC3081, RC3052, RC3051, RC3041, RISController, and RISCore are trademarks of Integrated Device Technology, Inc.
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2000 Integrated Device Technology, Inc.
*Notice: The information in this document is subject to change without notice
June 20, 2000
DSC 4510
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