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IDT79RC64T575-200DPI Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDT79RC64T575-200DPI Datasheet(HTML) 1 Page - Integrated Device Technology |
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1 / 28 page  1 of 28 December 14, 2001 © 2001 Integrated Device Technology, Inc. DSC 5607 IDT and the IDT logo are trademarks of Integrated Device Technology, Inc. Advanced 64-bit Microprocessors Product Family 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 ◆ Big- or Little-endian capability ◆ RC5000 compatible memory management – On-chip 48-entry, 96-page TLB, for advanced operating system support – Compatible with major operating systems: Windows®CE, VxWorks, and others ◆ Bus compatible with IDT 64-bit microprocessor families – Pipeline runs at 2 to 8 times the bus frequency – Bus speeds to 125MHz – 32-bit bus option, for lower cost systems – Enhanced timing protocol for SyncDRAM systems (compatible with IDT79RC64474/475) ◆ RC64574: – 32-bit SysAd bus, for low-cost systems – Pin compatible with RC4640 and RC64474 – 128-pin QFP package ◆ RC64575: – 64-bit SysAd bus interface – Pin compatible with RC4650 and RC64475 – 208-pin QFP package ◆ Industrial temperature range support ◆ JTAG Boundary Scan Interface ◆ 2.5V operation with 3.3V tolerant I/O Block Diagram Figure 1 RC64574/RC64575 Block Diagram 64-bit Integer DSP Accelerator Execution Unit 666 MFIOPS Floating-Point Accelerator PLL Dual-Issue Instruction Fetch Unit Primary Cache Controller RC5000 Compatible System Control Coprocessor 48-entry 96-page TLB 32kB 2 set-associative Instruction Cache 32kB 2 set-associative Data Cache 64-bit/32-bit RC64474/475 Compatible System Interface ClkIn (Lockable) (Lockable) IEEE 1284 79RC64574™ 79RC64575™ |
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