Features
◆ High-performance 64-bit embedded Microprocessor
– 250MHz operating frequency
– >330 Dhrystone MIPS performance
– 300MFLOPS/s floating-point performance
– Up to 125 million multiply accumulate per second (MAC/s)
– MIPS-IV Instruction Set Architecture (ISA), with integer DSP
and 3-operand integer multiply extensions
– Limited dual-issue microarchitecture
◆ Compatible with RC4640 and RC32364 DSP extensions
– DSP Extensions, for consumer applications
– 2-cycle repeat rate, on atomic Multiply-add
– Multiply-subtract (MSUB) support, for complex number
processing
– Count-leading-zero/one support, for string searches and
normalization
◆ High-performance on-chip cache subsystem
– 32kB, two-set associative instruction cache (I-cache)
– 32kB, two-set associative data cache (D-cache)
– Write-through and write-back data cache operations
– High-performance cache-ops, bandwidth management
◆ I-cache and D-cache locking capability (per line), provides
improved real-time support
◆ Joint TLB on-chip, for virtual-to-physical address mapping