IDT79R4640
Overview
- High-performance embedded 64-bit microprocessor - 64-bit integer operations - 64-bit registers - Based on the MIPS RISC Architecture - 80MHz, 100MHz, 133 MHz and 150MHz operation frequency - 32-bit bus interface brings 64-bit power to 32-bit system cost
- High-performance DSP capability - 75 Million Integer Mul-Accumulate operations/sec @150MHz - 50 MFlops floating-point operations @150MHz
- High-performance microprocessor - 75 M Mul-Add/second @150MHz - 50 MFlops @150MHz - >340,000 dhrystone (2.1)/sec capability @133MHz (197 dhrystone MIPS)
- High level of integration - 64-bit, 150 MHz integer CPU - 50MFlops single-precision floating-point unit - 8KB instruction cache; 8KB data cache - Integer multiply unit with 75M Mul-Add/sec
- Upwardly software compatible with IDT RISController Family
- Easily upgradable to 64-bit system
- Low-power operation - Active power management powers-down inactive units - Standby mode
- Large, efficient on-chip caches - Separate 8KB Instruction and 8KB Data caches - Over 1800MB/sec bandwidth from internal caches - 2-set associative - Write-back and write-through support - Cache locking to facilitate deterministic response - High performance write protocols for graphics and data communications
- Bus compatible with ORION family - System interfaces to 67 MHz, provides bandwidth up to 266 MB/sec - Direct interface to 32-bit wide systems - Synchronized to external reference clock for multimaster operation
- Improved real-time support - Fast interrupt decode - Optional cache locking
