r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 203

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

7.4.2
Figure 7.13 shows the configuration of the ITLB in TLB extended mode.
1-Kbyte page
4-Kbyte page
8-Kbyte page
64-Kbyte page
256-Kbyte page
1-Mbyte page
4-Mbyte page
64-Mbyte page
Figure 7.12 Relationship between Page Size and Address Format (TLB Extended Mode)
Entry 0
Entry 1
Entry 2
Entry 3
Note: Bits EPR[4], EPR[1],
Instruction TLB (ITLB) Configuration
ASID[7:0]
ASID[7:0]
ASID[7:0]
ASID[7:0]
31
31
31
31
31
31
31
31
VPN
Figure 7.13 ITLB Configuration (TLB Extended Mode)
26 25
VPN
VPN
VPN
22 21
VPN[31:10]
VPN[31:10]
VPN[31:10]
VPN[31:10]
VPN
VPN
20 19
D, and WT are not supported.
VPN
VPN
Virtual address
18 17
16 15
V
V
V
V
Offset
Offset
13 12
Offset
12 11
PPN[28:10]
PPN[28:10]
PPN[28:10]
PPN[28:10]
Offset
Offset
10 9
Offset
Offset
Offset
ESZ[3:0]
ESZ[3:0]
ESZ[3:0]
ESZ[3:0]
0
0
0
0
0
0
0
0
SH
SH
SH
SH
28
28
28
28
28
28
28
28 26 25
Rev.1.00 Jan. 10, 2008 Page 173 of 1658
PPN
C
C
C
C
PPN
PPN
7. Memory Management Unit (MMU)
EPR[5]
EPR[5]
EPR[5]
EPR[5]
PPN
22 21
PPN
PPN
20 19
PPN
EPR[3]
EPR[3]
EPR[3]
EPR[3]
Physical address
PPN
18 17
16 15
Offset
EPR[2]
EPR[2]
EPR[2]
EPR[2]
Offset
13 12
Offset
REJ09B0261-0100
12 11
Offset
Offset
EPR[0]
EPR[0]
EPR[0]
EPR[0]
10 9
Offset
Offset
Offset
0
0
0
0
0
0
0
0