Datasheet > UPD30131F1

UPD30131F1

更新时间： 2024-10-13 23:39:51

品牌	Logo	应用领域
其他 - ETC		微处理器
页数	文件大小	规格书
4页	594K
描述
Microprocessor

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UPD30131F1 数据手册

VR4131

64-Bit MIPS^®RISC

Microprocessor

VR Series

Description

The VR4131 is the newest member of NEC’s VR Series™ product line. This high-performance

64-bit RISC microprocessor employing the MIPS I, II, III, and MIPS16 instruction sets

delivers 1545 MIPS per watt, one of the highest-performance, lowest power ratios currently

available. In addition to an ultra-low-power-consuming VR4130 CPU core, the device has

cache memory, two-way superscalar pipeline, memory management unit, and peripherals

including a DMA interface, serial interface, IrDA^®interface, and real-time clock, among

others. The VR4131 also has a 32-bit external memory bus and supports a PCI bus interface

for external devices.

Specifications

Applications

• High performance/low power ratio

of 1545 MIPS per watt

• Low power consumption

– 220 mW at 200 MHz (typical)

– 275 mW at 250 MHz (typical)

• High-performance operation

– 340 Dhrystone MIPS at 200 MHz

– 425 Dhrystone MIPS at 250 MHz

• Supply voltage: 1.5 V (internal)

and 3.3 V (external)

• 224-pin FPBGA (16 mm x 16 mm)

• Pin-compatible with NEC’s VR4122

(except N-wire)

• Full industrial -40˚C to +85˚C ambient

operating temperature range

• Storage systems

• Wireless LAN access points

• Network interface cards (NICs)

• Server farms

• Information appliances

– Portable Internet appliances

– Pocket PCs

– Cellular telephones

Block Diagram

32.768 kHz 18.432 kHz

VRC4173

OSB

PLL

RTC

GIU

ICU

PMU

LED

CSI

4130 CPU Core

Touch Panel

LCD Panel

PC Card

LCDC

DSIU

CMU

PCIU

RS-232-C

Driver

DCU

SIU

SDRAM

SDRAMU

BCU

DMAAU

Driver

VR4131

FIR

ROM/

Flash Memory

48 MHz

12 3 4

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