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IDT79R3051-20MJ Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDT79R3051-20MJ Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 23 page COMMERCIAL TEMPERATURE RANGE SEPTEMBER 1995 ©1995 Integrated Device Technology, Inc. 5.3 DSC-3000/5 IDT79R3051/79R3052 RISControllers™ IDT79R3051™, 79R3051E IDT79R3052™, 79R3052E FEATURES: • Instruction set compatible with IDT79R3000A and IDT79R3001 MIPS RISC CPUs • High level of integration minimizes system cost, power consumption — IDT79R3000A /IDT79R3001 RISC Integer CPU — R3051 features 4KB of Instruction Cache — R3052 features 8KB of Instruction Cache — All devices feature 2kB of Data Cache — “E” Versions (Extended Architecture) feature full function Memory Management Unit, including 64- entry Translation Lookaside Buffer (TLB) — 4-deep write buffer eliminates memory write stalls — 4-deep read buffer supports burst refill from slow memory devices — On-chip DMA arbiter — Bus Interface minimizes design complexity • Single clock input with 40%-60% duty cycle • 35 MIPS, over 64,000 Dhrystones at 40MHz • Low-cost 84-pin PLCC packaging that's pin-/package- compatible with thermally enhanced 84-pin MQUAD. • Flexible bus interface allows simple, low-cost designs • 20, 25, 33, and 40MHz operation • Complete software support — Optimizing compilers — Real-time operating systems — Monitors/debuggers — Floating Point Software — Page Description Languages 1 Clock Generator Unit Master Pipeline Control System Control Coprocessor Integer CPU Core Exception/Control Registers Memory Management Registers Translation Lookaside Buffer (64 entries) General Registers (32 x 32) ALU Shifter Mult/Div Unit Address Adder PC Control Virtual Address Data Cache (2kB) Instruction Cache (8kB/4kB) Physical Address Bus BIU Control DMA Arbiter 4-deep Read Buffer 4-deep Write Buffer Clk2xIn Int(5:0) 32 32 BrCond(3:0) Data Bus Bus Interface Unit Address/ Data DMA Ctrl Rd/Wr Ctrl SysClk 2874 drw 01 The IDT logo is a registered trademark, and RISChipset, RISController, R3041, R3051, R3052, R3071, R3081, R3720, R4400 and R4600 are trademarks of Integrated Device Technology, Inc. Figure 1. R3051 Family Block Diagram Integrated Device Technology, Inc. |
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