CPU-World logo Site news|Microprocessor and microcontroller families|Information about microprocessors, microcontrollers and other chips|Forum|Links to other sites|About this site
Contact Us
   

NEC D30400RJ-40 (VR4000PC-40)

 Information

NEC D30400RJ-40 (VR4000PC-40)
 History

 Architecture

 Identification

 Pinouts

 Support chips
.Zoom
TypeMicroprocessor
Manufacturing process1.3 million transistors
Data bus width64 bit
Package179-pin ceramic PGA
Speed (MHz)40
Clock multiplier2, 3 or 4
On-chip peripherals
  • System control coprocessor
  • Memory management unit
    Physical memory (GB)64
    Virtual memory2 GB (32-bit mode); 1 TB (64-bit mode)
    Level 1 cache size8 KB direct-mapped code cache, can be expanded to 32 KB
    8 KB direct-mapped write-back data cache, can be expanded to 32 KB
    Level 2 cache sizeNone
    Floating Point UnitIntegrated

    Notes:
    • Internal pipeline operates at 80 MHz.
    Comments: 0Add comment / picture
    1 comment was recently rejected. Please see a reason here.
    Last modified: 2 Dec 2005 

    R4000 familyR4000 familyList of processor familiesList of processor families
     
    (c) Copyright 2003 Gennadiy Shvets