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79RV3041-33J Datasheet(PDF) 1 Page - Integrated Device Technology |
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79RV3041-33J Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 34 page COMMERCIAL TEMPERATURE RANGE December 2008 ©1996 Integrated Device Technology, Inc. DSC-2905/5 IDT79R3041 ™ INTEGRATED RISController™ FOR LOW-COST SYSTEMS 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) • 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 Figure 1. R3041 Block Diagram Clock Generator Unit Master Pipeline Control System Control Coprocessor Integer CPU Core Exception/Control Registers Bus Interface Registers General Registers (32 x 32) ALU Shifter Mult/Div Unit Address Adder PC Control Virtual Address Data Cache 512B Instruction Cache 2kB Physical Address Bus BIU Control DMA Arbiter 4-deep Read Buffer 4-deep Write Buffer ClkIn Int(5:3), SInt(2:0) 32 32 SBrCond(3:2) Data Bus Address/ Data DMA Ctrl Rd/Wr Ctrl SysClk PortSize Register Counter Registers TC R3051 Superset Bus Interface Unit Data Unpack Unit Data Pack Unit Timing/ Interface Control 2905 drw 01 1 Integrated Device Technology, Inc. RISController, R3041, R3051, R3052, R3081, ORION, IDT/sim, and IDT/kit are trademarks, and the IDT logo is a registered trademark of Integrated Device Technology, Inc. |
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