RC64474

RISControllerTM Embedded 64-bit Microprocessor, based on RISCore4000TM Features High performance 64-bit microprocessor, based on the RISCore4000 – Minimized branch and load delays, through streamlined 5-stage scalar pipeline. – Single and double precision floating-point unit – 125 peak MFLOP/s at 250 MHz – 330 Dhrystone MIPS at 250 MHz – Flexible RC4700-compatible MMU – Joint TLB on-chip, for virtual-to-physical address mapping ◆ On-chip two-way set associative caches – 16KB instruction cache (I-cache) – 16KB data cache (D-cache) ◆ Optional I-cache and D-cache locking (per set), provides improved real-time support ◆ Enhanced, flexible bus interface allows simple, low-cost design – 64-bit Bus Interface option, 1000MB/s bandwidth support – 32-bit Bus Interface option, 500MB/s bandwidth support – SDRAM timing protocol, through delayed data in write cycles – RC4000/RC5000 family bus-protocol compatibility – Bus runs at fraction of pipeline clock (1/2 to 1/8) ◆ Implements MIPS-III Instruction Set Architecture (ISA) ◆ 3.3V core with 3.3V I/O ◆ ◆ RC64474™ RC64475™ Software compatible with entire RISController Series of Embedded Microprocessors ◆ Industrial temperature range support ◆ Active power management – Powers down inactive units, through sleep-mode feature ◆ 100% pin compatibility between RC64574, RC64474 and RC4640 ◆ 100% pin compatibility between RC64575, RC64475 and RC4650 ◆ RC64474 available in 128-pin QFP package, for 32-bit only systems ◆ RC64475 available in 208-pin ...