HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 235

• Manufacturer Part Number: HD6417641
• Manufacturer: RENESAS [Renesas Technology Corp]

Table 7.4
[Legend]
* :
Note: The W2LOAD and W3LOAD bits should not be set to 1 at the same time.
Table 7.5
[Legend]
* :
Note: The W2LOAD and W3LOAD bits should not be set to 1 at the same time.
Table 7.6
Cache
Locking
Mode Bit
0
1
1
1
1
1
1
Cache
Locking
Mode Bit
0
1
1
1
1
LRU (Bits 5 to 0)
000000, 000001, 000100, 010100, 100000, 100001, 110000, 110100
000011, 000110, 000111, 001011, 001111, 010110, 011110, 011111
101001, 101011, 111000, 111001, 111011, 111100, 111110, 111111
Don't care
Don't care
Way to be Replaced when a Cache Miss Occurs in PREF Instruction
Way to be Replaced when a Cache Miss Occurs in Other than PREF Instruction
LRU and Way Replacement (when W2LOCK=1 and W3LOCK=0)
W3LOAD
*
*
*
0
0
0
1
W3LOAD
*
*
*
*
*
W3LOCK
*
0
0
1
1
*
1
W3LOCK
*
0
0
1
1
W2LOAD
*
*
0
*
0
1
0
W2LOAD
*
*
*
*
*
W2LOCK
*
0
1
0
1
1
*
W2LOCK
*
0
1
0
1
Rev. 4.00 Sep. 14, 2005 Page 185 of 982
Way to be Replaced
Decided by LRU (table 7.3)
Decided by LRU (table 7.3)
Decided by LRU (table 7.6)
Decided by LRU (table 7.7)
Decided by LRU (table 7.8)
Way 2
Way 3
Way to be Replaced
Decided by LRU (table 7.3)
Decided by LRU (table 7.3)
Decided by LRU (table 7.6)
Decided by LRU (table 7.7)
Decided by LRU (table 7.8)
Way to be Replaced
3
1
0
REJ09B0023-0400
Section 7 Cache