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Generel CharacteristicsGenerel Characteristics: 
DesignerCompany which designed the semiconductor component NEC
Type:  VR4121
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
Type of processor core(s)Type and allocation of processor core(s) MIPS R4400 (NEC VR4120)
Number of processor core(s):  single-core

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: 
Internal Systembus Clock:  42 MHz
Recommended Maximum Clock Frequency:  N/A

Cache MemoriesCache Memories: 
L1 Instruction Cache per CoreCapacity of level 1 instruction cache per processor core 16 Kbyte I-Cache
L1 Data Cache per CoreCapacity of level 1 data cache per processor core 8 Kbyte D-Cache
Total L2 CacheCapacity of level 2 cache shared between processor core(s) 1024 Kbyte L2

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

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

Datasheet AttributesDatasheet Attributes: 
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
 

NEC VR4121

Applications of the Processor

NEC MobilePro 800
NEC MobilePro 800
245x189x27 mm, Microsoft Handheld PC 3.0 Professional Edition (Jupiter), NEC VR4121, 32 MiB RAM, 24 MiB ROM, 9.4 inch, 800x600 | All detailsAll details | Add this item to the comparisonAdd to compare

NEC MobilePro 880
NEC MobilePro 880
245x189x27 mm, Microsoft Handheld PC 3.01 Professional Edition (Jupiter), NEC VR4121, 32 MiB RAM, 24 MiB ROM, 9.4 inch, 800x600 | All detailsAll details | Add this item to the comparisonAdd to compare

Casio Cassiopeia E-100
Casio Cassiopeia E-100
83.6x131.2x20 mm, Microsoft Palm-size PC 1.2 Color (Wyvern), NEC VR4121, 16 MiB RAM, 16 MiB ROM, 3.8 inch, 240x320 | All detailsAll details | Add this item to the comparisonAdd to compare

Casio Cassiopeia E-105
Casio Cassiopeia E-105
83.6x131.2x20 mm, Microsoft Palm-size PC 1.2 Color (Wyvern), NEC VR4121, 32 MiB RAM, 16 MiB ROM, 3.8 inch, 240x320, 1700 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Casio Cassiopeia E-115
Casio Cassiopeia E-115
83.6x131.2x20 mm, Microsoft Pocket PC 2000 (Rapier), NEC VR4121, 32 MiB RAM, 16 MiB ROM, 3.8 inch, 240x320 | All detailsAll details | Add this item to the comparisonAdd to compare

NTT DoCoMo Sigmarion
NTT DoCoMo Sigmarion
189x107x27 mm, Microsoft Handheld PC 3.0 Professional Edition (Jupiter), NEC VR4121, 32 MiB RAM, 32 MiB ROM, 6.2 inch, 640x240 | All detailsAll details | Add this item to the comparisonAdd to compare

Compare All Applications of the Processor side by side

See also

NEC V30MX
1995, 16 bit, single-core, Embedded GPU: N/A | All detailsAll details | Add this item to the comparisonAdd to compare

NEC V25+ uPD70325
1986, 16 bit, single-core, Embedded GPU: N/A | All detailsAll details | Add this item to the comparisonAdd to compare

NEC V25 uPD70320
1985, 16 bit, single-core, Embedded GPU: N/A | All detailsAll details | Add this item to the comparisonAdd to compare

NEC V30H uPD70116H
1989, 16 bit, single-core, Embedded GPU: N/A | All detailsAll details | Add this item to the comparisonAdd to compare

NEC V30 uPD70116
1983, 16 bit, single-core, Embedded GPU: N/A | All detailsAll details | Add this item to the comparisonAdd to compare

NEC V20H uPD70108H
1982, 8 bit, single-core, Embedded GPU: N/A | All detailsAll details | Add this item to the comparisonAdd to compare

NEC V20 uPD70108
1982, 8 bit, single-core, Embedded GPU: N/A | All detailsAll details | Add this item to the comparisonAdd to compare

NEC VR5500
2001, 64 bit, single-core, 32 Kbyte I-Cache, 32 Kbyte D-Cache, 1024 Kbyte L2, Embedded GPU: N/A | All detailsAll details | Add this item to the comparisonAdd to compare

More options

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