IDT79R3041

IDT79R3041™ INTEGRATED RISController™ FOR LOW-COST SYSTEMS Integrated Device Technology, Inc. IDT79R3041 IDT79RV3041 FEATURES: Instruction set compatible with IDT79R3000A and RISController Family MIPS RISC CPUs High level of integration minimizes system cost — RISC CPU — Multiply/divide unit — Instruction Cache — Data Cache — Programmable bus interface — Programmable port width support On-chip instruction and data caches — 2KB of Instruction Cache — 512B of Data Cache Flexible bus interface allows simple, low-cost designs — Superset pin-compatible with RISController — Adds programmable port width interface (8-, 16-, and 32-bit memory sub-regions) — Adds programmable bus interface timing support (Extended address hold, Bus turn around time, Read/write masks) ClkIn Clock Generator Unit Double-frequency clock input 16.67MHz, 20MHz, 25MHz and 33MHz operation 20MIPS at 25MHz Low cost 84-pin PLCC packaging On-chip 4-deep write buffer eliminates memory write stalls On-chip 4-word read buffer supports burst or simple block reads On-chip DMA arbiter On-chip 24-bit timer Boot from 8-bit, 16-bit, or 32-bit wide PROMs Pin- and software-compatible family includes R3041, R3051, R3052™, and R3081™ Complete software support — Optimizing compilers — Real-time operating systems — Monitors/debuggers — Floating Point emulation software — Page Description Languages Master Pipeline Control System Control Coprocessor Exception/Control Registers Bus Interface Regis...