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Generel CharacteristicsGenerel Characteristics: 
DesignerCompany which designed the semiconductor component NEC
Type VR4122
Year Released 1999
FunctionMain function of the component  Application Processor

ArchitectureArchitecture: 
Width of Machine WordMaximum bitwidth of ALU operands. Width of machine word can also be defined in different ways (register width, instruction width, etc.) in case of recent microprocessors. 64 bit
Supported Instruction Set(s) MIPS I, MIPS II, MIPS III, MIPS16
Number of processor core(s) 1
Type of processor core(s)Type and allocation of processor core(s) MIPS R4400 (NEC VR4121)

BusesBuses: 
Memory Interface(s):   Yes
Data Bus WidthMaximum selectable bit width of primary data bus (RAM) of memory interface 64 bit
Number of data bus channels 1 ch
Non-volatile Memory InterfaceInterface which determines physical layer towards the NV memory  No


Clock FrequenciesClock Frequencies: 
Recommended Maximum Clock Frequency N/A

Cache MemoriesCache Memories: 
L1 Instruction Cache per CoreCapacity of level 1 instruction cache per processor core 32 Kbyte I-Cache
L1 Data Cache per CoreCapacity of level 1 data cache per processor core 16 Kbyte D-Cache

Technology and PackagingTechnology and Packaging: 
Semiconductor Technology:   CMOSComplementary Metal-oxide - Semiconductor Field Effect Transistor
Number of Transistors Integrated 2300000

Graphical SubsystemGraphical Subsystem: 
Embedded GPUManufactuer (or IP designer) and type of embedded graphics coprocessor(s). N/A

Cellular CommunicationCellular Communication: 
Supported Cellular Data LinksList of supported cellular data links  No

Communication InterfacesCommunication Interfaces: 
Supported USB Specification:   No
Bluetooth supportThis field specifies the supported BT version  No
Wireless LAN supportThis field enumerates the supported Wi-Fi protocols  No
Supported Audio/Video Interface:   No

Satellite NavigationSatellite Navigation: 
Supported GPS protocol(s):   No

Additional InformationAdditional Information: 
Special Features
VRC4173 coprocessor, 128MB DRAM / 128MB ROM addressing

Datasheet AttributesDatasheet Attributes: 

Related Page URL
Data IntegrityData integrity level determines the integrity of the published information. Final datasheets are not intended to be modified in the future, preliminary ones can be based on unofficial information or speculations, incomplete ones are also preliminary b  Final
AddedThe exact time of the datasheet addition 2006-01-01 06:00
 
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