7. Memory Management Unit (MMU)
Rev.1.00 Jan. 10, 2008 Page 152 of 1658
REJ09B0261-0100
7.2
Register Descriptions
The following registers are related to MMU processing.
Table 7.1
Register Configuration
Register Name
Abbreviation R/W
P4 Address
*
Area 7
Address
*
Size
Page table entry high register
PTEH
R/W
H'FF00 0000
H'1F00 0000
32
Page table entry low register
PTEL
R/W
H'FF00 0004
H'1F00 0004
32
Translation table base register
TTB
R/W
H'FF00 0008
H'1F00 0008
32
TLB exception address register
TEA
R/W
H'FF00 000C
H'1F00 000C
32
MMU control register
MMUCR
R/W
H'FF00 0010
H'1F00 0010
32
Page table entry assistance
register
PTEA
R/W
H'FF00 0034
H'1F00 0034
32
Physical address space control
register
PASCR
R/W
H'FF00 0070
H'1F00 0070
32
Instruction re-fetch inhibit control
register
IRMCR
R/W
H'FF00 0078
H'1F00 0078
32
Note:
*
These P4 addresses are for the P4 area in the virtual address space. These area 7
addresses are accessed from area 7 in the physical address space by means of the
TLB.
Table 7.2
Register States in Each Processing State
Register Name
Abbreviation
Power-on
Reset
Manual
Reset
Sleep
Standby
Page table entry high register
PTEH
Undefined Undefined Retained Retained
Page table entry low register
PTEL
Undefined
Undefined
Retained
Retained
Translation table base register
TTB
Undefined Undefined Retained Retained
TLB exception address register
TEA Undefined
Retained
Retained
Retained
MMU control register
MMUCR
H'0000 0000 H'0000 0000 Retained
Retained
Page table entry assistance
register
PTEA
H'0000 xxx0 H'0000 xxx0 Retained
Retained
Physical address space control
register
PASCR
H'0000 0000 H'0000 0000 Retained
Retained
Summary of Contents for SH7781
Page 4: ...Rev 1 00 Jan 10 2008 Page iv of xxx REJ09B0261 0100 ...
Page 74: ...2 Programming Model Rev 1 00 Jan 10 2008 Page 44 of 1658 REJ09B0261 0100 ...
Page 272: ...8 Caches Rev 1 00 Jan 10 2008 Page 242 of 1658 REJ09B0261 0100 ...
Page 376: ...10 Interrupt Controller INTC Rev 1 00 Jan 10 2008 Page 346 of 1658 REJ09B0261 0100 ...
Page 694: ...13 PCI Controller PCIC Rev 1 00 Jan 10 2008 Page 664 of 1658 REJ09B0261 0100 ...
Page 762: ...14 Direct Memory Access Controller DMAC Rev 1 00 Jan 10 2008 Page 732 of 1658 REJ09B0261 0100 ...
Page 788: ...15 Clock Pulse Generator CPG Rev 1 00 Jan 10 2008 Page 758 of 1658 REJ09B0261 0100 ...
Page 828: ...17 Power Down Mode Rev 1 00 Jan 10 2008 Page 798 of 1658 REJ09B0261 0100 ...
Page 846: ...18 Timer Unit TMU Rev 1 00 Jan 10 2008 Page 816 of 1658 REJ09B0261 0100 ...
Page 1292: ...24 Multimedia Card Interface MMCIF Rev 1 00 Jan 10 2008 Page 1262 of 1658 REJ09B0261 0100 ...
Page 1326: ...25 Audio Codec Interface HAC Rev 1 00 Jan 10 2008 Page 1296 of 1658 REJ09B0261 0100 ...
Page 1482: ...28 General Purpose I O Ports GPIO Rev 1 00 Jan 10 2008 Page 1452 of 1658 REJ09B0261 0100 ...
Page 1538: ...30 User Debugging Interface H UDI Rev 1 00 Jan 10 2008 Page 1508 of 1658 REJ09B0261 0100 ...
Page 1688: ...Appendix Rev 1 00 Jan 10 2008 Page 1658 of 1658 REJ09B0261 0100 ...
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Page 1692: ...SH7785 Hardware Manual ...