IDT79R4700 Datasheet | IDT

64-Bit RISC Microprocessor .. Features x True 64-bit microprocessor - 64-bit integer operations - 64-bit floating-point operations - 64-bit registers - 64-bit virtual address space x High-performance microprocessor - 260 Dhrystone MIPS at 200MHz - 100 peak MFLOP/s at 200MHz - Two-way set associative caches - Simple 5-stage pipeline x High level of integration - 64-bit, 200 MHz integer CPU - 64-bit floating-point unit - 16KB instruction cache - 16KB data cache - Flexible MMU with large, fully associative TLB x Low-power operation - 3.3V power supply, for the “RV” part - 5V power supply, for the “R” part - Dynamic power management - Standby mode reduces internal power x Fully software & pin-patible with 40XX Processor Family x Available in 179-pin PGA or 208-pin QFP Available at 80-200MHz, with mode bit dependent output clock frequencies x 64GB physical address space x Processor family for a wide variety of embedded applications - LAN switches - Routers - Color printers x Description The IDT79R4700 64-bit RISC Microprocessor is both software and pin-patible with the R4XXX processor family. With 64-bit processing capabilities, the R4700 provides more putational power and data movement bandwidth than is delivered to typical embedded systems by 32-bit processors. The R4700 is upwardly software patible with the IDT79R3000™ microprocessor family, including the IDTRISController™ 79R3051™, R3052™, R3041™, R3081™ as well as the R4640™, R4650™, RC64474/ 475™ and R5000™. An array of development tools facilitates rapid development of R4700-based systems, allowing a variety of customers access to the MIPS Open Architecture philosophy. Block Diagram Data Tag A Data Set A Store Buffer Sys AD Instruction Select Write Buffer Read Buffer Data Set B DBus IBus Control Tag Floating-point Register File Unpacker/Packer Floating-point...