r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 196

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

7. Memory Management Unit (MMU)
• D: Dirty bit
• WT: Write-through bit
Rev.1.00 Jan. 10, 2008 Page 166 of 1658
REJ09B0261-0100
Figure 7.7 Relationship between Page Size and Address Format (TLB Compatible Mode)
1: Cacheable
When the control register area is mapped, this bit must be cleared to 0.
Indicates whether a write has been performed to a page.
0: Write has not been performed
1: Write has been performed
Specifies the cache write mode.
0: Copy-back mode
1: Write-through mode
• 1-Kbyte page
• 4-Kbyte page
• 64-Kbyte page
• 1-Mbyte page
31
31
31
31
VPN
VPN
VPN
VPN
20 19
Virtual address
Virtual address
Virtual address
Virtual address
16 15
12 11
10 9
Offset
Offset
Offset
Offset
0
0
0
0
28
28
28
28
PPN
PPN
PPN
Physical address
Physical address
Physical address
Physical address
PPN
20 19
16 15
12 11
10 9
Offset
Offset
Offset
Offset
0
0
0
0