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Section 7 Cache
Rev. 4.00 Sep. 14, 2005 Page 185 of 982
REJ09B0023-0400
Table 7.4
Way to be Replaced when a Cache Miss Occurs in PREF Instruction
Cache
Locking
Mode Bit
W3LOAD
W3LOCK
W2LOAD
W2LOCK
Way to be Replaced
0
* * * *
Decided by LRU (table 7.3)
1
*
0
*
0
Decided by LRU (table 7.3)
1
*
0
0
1
Decided by LRU (table 7.6)
1 0 1
*
0
Decided by LRU (table 7.7)
1 0 1 0 1 Decided
by
LRU
(table
7.8)
1 0
*
1 1 Way
2
1 1 1 0
*
Way 3
[Legend]
*
:
Don't care
Note: The W2LOAD and W3LOAD bits should not be set to 1 at the same time.
Table 7.5
Way to be Replaced when a Cache Miss Occurs in Other than PREF Instruction
Cache
Locking
Mode Bit
W3LOAD
W3LOCK
W2LOAD
W2LOCK
Way to be Replaced
0
* * * *
Decided by LRU (table 7.3)
1
*
0
*
0
Decided by LRU (table 7.3)
1
*
0
*
1
Decided by LRU (table 7.6)
1
*
1
*
0
Decided by LRU (table 7.7)
1
*
1
*
1
Decided by LRU (table 7.8)
[Legend]
*
:
Don't care
Note: The W2LOAD and W3LOAD bits should not be set to 1 at the same time.
Table 7.6
LRU and Way Replacement (when W2LOCK=1 and W3LOCK=0)
LRU (Bits 5 to 0)
Way to be Replaced
000000, 000001, 000100, 010100, 100000, 100001, 110000, 110100
3
000011, 000110, 000111, 001011, 001111, 010110, 011110, 011111
1
101001, 101011, 111000, 111001, 111011, 111100, 111110, 111111
0
Summary of Contents for HD6417641
Page 2: ...Rev 4 00 Sep 14 2005 Page ii of l...
Page 7: ...Rev 4 00 Sep 14 2005 Page vii of l...
Page 11: ...Rev 4 00 Sep 14 2005 Page xi of l USB Universal serial bus WDT Watch dog timer...
Page 12: ...Rev 4 00 Sep 14 2005 Page xii of l...
Page 28: ...Rev 4 00 Sep 14 2005 Page xxviii of l...
Page 204: ...Section 4 Clock Pulse Generator CPG Rev 4 00 Sep 14 2005 Page 154 of 982 REJ09B0023 0400...
Page 212: ...Section 5 Watchdog Timer WDT Rev 4 00 Sep 14 2005 Page 162 of 982 REJ09B0023 0400...
Page 228: ...Section 6 Power Down Modes Rev 4 00 Sep 14 2005 Page 178 of 982 REJ09B0023 0400...
Page 246: ...Section 8 X Y Memory Rev 4 00 Sep 14 2005 Page 196 of 982 REJ09B0023 0400...
Page 318: ...Section 11 User Break Controller UBC Rev 4 00 Sep 14 2005 Page 268 of 982 REJ09B0023 0400...
Page 454: ...Section 12 Bus State Controller BSC Rev 4 00 Sep 14 2005 Page 404 of 982 REJ09B0023 0400...
Page 504: ...Section 14 U Memory Rev 4 00 Sep 14 2005 Page 454 of 982 REJ09B0023 0400...
Page 566: ...Section 17 Compare Match Timer CMT Rev 4 00 Sep 14 2005 Page 516 of 982 REJ09B0023 0400...
Page 868: ...Section 21 A D Converter Rev 4 00 Sep 14 2005 Page 818 of 982 REJ09B0023 0400...
Page 914: ...Section 23 I O Ports Rev 4 00 Sep 14 2005 Page 864 of 982 REJ09B0023 0400...
Page 956: ...Section 24 List of Registers Rev 4 00 Sep 14 2005 Page 906 of 982 REJ09B0023 0400...
Page 1016: ...Section 25 Electrical Characteristics Rev 4 00 Sep 14 2005 Page 966 of 982 REJ09B0023 0400...
Page 1024: ...Appendix Rev 4 00 Sep 14 2005 Page 974 of 982 REJ09B0023 0400...
Page 1032: ...Rev 4 00 Sep 14 2005 Page 982 of 982 REJ09B0023 0400 X X Y data addressing 52 X Y memory 193...
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Page 1036: ...SH7641 Hardware Manual...