IDT79RV3081E

IDT79R3081 RISController MILITARY AND COMMERCIAL TEMPERATURE RANGES Integrated Device Technology, Inc. IDT79R3081 RISController™ with FPA IDT 79R3081™ , 79R3081E IDT 79RV3081, 79RV3081E FEATURES Instruction set compatible with IDT79R3000A, R3041, R3051, and R3071 RISC CPUs High level of integration minimizes system cost — R3000A Compatible CPU — R3010A Compatible Floating Point Accelerator — Optional R3000A compatible MMU — Large Instruction Cache — Large Data Cache — Read/Write Buffers 43VUPS at 50MHz — 13MFlops Flexible bus interface allows simple, low cost designs Optional 1x or 2x clock input 20 through 50MHz operation "V" version operates at 3.3V 50MHz at 1x clock input and 1/2 bus frequency only Large on-chip caches with user configurability — 16kB Instruction Cache, 4kB Data Cache — Dynamically configurable to 8kB Instruction Cache, 8kB Data Cache — Parity protection over data and tag fields Low cost 84-pin packaging Superset pin- and software-compatible with R3051, R3071 Multiplexed bus interface with support for low-cost, lowspeed memory systems with a high-speed CPU On-chip 4-deep write buffer eliminates memory write stalls On-chip 4-deep read buffer supports burst or simple block reads On-chip DMA arbiter Hardware-based Cache Coherency Support Programmable power reduction mode Bus Interface can operate at half-processor frequency R3081 BLOCK DIAGRAM ClkIn Clock Generator Unit/Clock Doubler Master Pipeline Control System Co...