HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 249

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

3. Do not use the same physical addresses for address translation information of different page
The above restrictions apply only when performing accesses using the cache.
Note: When multiple items of address translation information use the same physical memory to
sizes.
provide for future SuperH RISC engine family expansion, ensure that the VPN bits 20 to
10 are the same.
• When using a 4-kbyte page
• When using a 1-kbyte page
31
28
31
28
Virtual address
Physical address
Virtual address
Physical address
VPN
PPN
VPN
PPN
Figure 4.12 Synonym Problem (32-kbyte Cache)
13
13
13
13
12
12
12
12
11
11 10
11
11 10
10
10
Offset
Offset
Offset
Offset
Virtual address 12 to 4
Physical address 28 to 10
Virtual address 12 to 4
Physical address 28 to 10
0
0
0
0
Section 4 Memory Management Unit (MMU)
Rev. 3.00 Jan. 18, 2008 Page 187 of 1458
Cache
Cache
REJ09B0033-0300