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VR4102 Datasheet(PDF) 154 Page - NEC

Part # VR4102
Description  64/32-bit Microprocessor
PDF  701 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

VR4102 Datasheet(HTML) 154 Page - NEC

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CHAPTER 5 MEMORY MANAGEMENT SYSTEM
154
Figure 5-20. TLB Address Translation
Virtual address (input)
VPN
and
ASID
Exception
Exception
Exception
Exception
Exception
Exception
Physical address (output)
Address
error
No
Yes
Yes
Yes
No
Yes
Yes
No
Legal
address?
Supervisor
mode?
User
mode?
Legal
address?
Address
error
Legal
address?
Address
error
No
No
Yes
Yes
Yes
Mapped
address?
No
VPN
match?
Dirty
Valid
Global
No
G = 1?
No
V = 1?
Yes
Yes
No
D = 1?
No
Yes
Uncached
area?
No
ASID
match?
No
32-bit
address?
Yes
Yes
TLB
Mismatch
XTLB
Mismatch
TLB
Invalid
No
No
Yes
Write?
TLB
Modified
Access
main
memory
Access
cache
memory
Exception



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