2006/03
VR : VRC5477.. (uPD31577; companion chip for VR5432, 5500)
   USB controller
VR : VRC4173..( uPD31173 ; companion chip for VR4100 )
   USB controller
VR : VR5000/A..( uPD30500/A )
   Block write
   Startup
VR : VR4310..( uPD30210 )
   Hazards
VR : VR4300..( uPD30200 )
   Hazards
VR : VR4181, VR4181A..( uPD30181, uPD30181A )
   PC card controller
   A/D converter and D/A converter
   Clock oscillator
   Hazards
   Power modes
   Clock
   ISA bridge
   Address mapping
   USB controller
   Touch panel interface
   Memory access
VR : VR4133..( uPD30133 )
   Supported OS
VR : VR4131..( uPD30131 )
   PCI bus interface
   Communications control
   Hazards
   Power modes
   Reset
   Clock
   Memory access
   Address mapping
VR : VR4122..( uPD30122 )
   Hazards
   Reset
   Clock
   Power modes
VR : VR4121..( uPD30121 )
   Hazards
   Power modes
   Reset
   Clock
   Compiler
VR : RX4000
   FPU instruction
   UserPool
   System calls
VR : Evaluation Board
   RockHopper
VR : Differences of device
   VR Series (general)
VR : Common
   Shutdown
   Initialization
   Benchmark performance

2002/04
VR : VRC4173..( uPD31173 ; companion chip for VR4100 )
   PCI pull-up connection

2001/08
VR : VR4111..( uPD30111 ; planed to discontinue)
   Software interrupt settings