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NEC VR4122 Full Processor Specifications

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Generel Characteristics

Designer

NEC

Type

VR4122

Year Released

1999

Function

Application Processor

Architecture

Width of Machine Word

64 bit

Supported Instruction Set(s)

MIPS I, MIPS II, MIPS III, MIPS16

Number of processor core(s)

Type of processor core(s)

MIPS R4400 (NEC VR4121)

Buses

Memory Interface(s)

Yes

Data Bus Width

64 bit

Number of data bus channels

1 ch

Non-volatile Memory Interface

Clock Frequencies

Recommended Maximum Clock Frequency

N/A

Cache Memories

L1 Instruction Cache per Core

32 Kbyte I-Cache

L1 Data Cache per Core

16 Kbyte D-Cache

Technology and Packaging

Semiconductor Technology

CMOS

Number of Transistors Integrated

2300000

Graphical Subsystem

Embedded GPU

N/A

Cellular Communication

Supported Cellular Data Links

Satellite Navigation

Supported GPS protocol(s)

Additional Information

Special Features

VRC4173 coprocessor, 128MB DRAM / 128MB ROM addressing

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