Data Check Flow On Store Operations; Data Check Flow On Index_Invalidate Operations - NEC uPD98502 User Manual

CHAPTER 2 V
Figure 2-74. Data Check Flow on Store Operations
Start
Tag Check
Miss
V bit, W bit
V = 1 ( valid) and
W = 1 (dirty)
Write-back and
Refill (see
Figure 2-86)
Data Write
to Data Cache
END
Figure 2-75. Data Check Flow on Index_Invalidate Operations
Valid bit Clear
Preliminary User's Manual S15543EJ1V0UM
4120A
R
Hit
V = 0 (invalid)
or
W = 0 (clean)
Refill (see
Figure 2-85)
Start
END
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