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UPD30181A - 64/32 Bit Microcontroller

Description

The µPD30181A and 30181AY (VR4181A), which are high-performance 64-/32-bit microprocessors employing the TM TM RISC (reduced instruction set computer) architecture developed by MIPS , are products in the VR Series of microprocessors manufactured by NEC.

Features

  • { VR4120 core (64-bit RISC core) on chip as CPU { Pipeline clock: 131 MHz { Conforms to MIPS III (except for FPU, LL and SC instructions) and MIPS16 instruction sets { Supports MACC and DMACC high-speed product-sum operation instructions { On-chip cache memory Capacity includes 8 KB instruction cache and 8 KB data cache { Employs a writeback cache { Physical addresses: 32 bits Virtual addresses: 40 bits { On-chip 32 double-entry TLB { Effective power management using four modes: Fullspeed, Stand.

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Datasheet Details

Part number UPD30181A
Manufacturer NEC
File Size 573.25 KB
Description 64/32 Bit Microcontroller
Datasheet download datasheet UPD30181A Datasheet

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Full PDF Text Transcription

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DATA SHEET MOS INTEGRATED CIRCUIT µPD30181A, 30181AY VR4181A 64-/32-BIT MICROPROCESSOR TM DESCRIPTION The µPD30181A and 30181AY (VR4181A), which are high-performance 64-/32-bit microprocessors employing the TM TM RISC (reduced instruction set computer) architecture developed by MIPS , are products in the VR Series of microprocessors manufactured by NEC. The VR4181A includes as its CPU the VR4120™ core, an ultra-low-power-consumption core featuring cache memory, a high-speed product-sum operation unit, and a memory management unit.
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