Renesas SuperH SH-4A User Manual

Rev. 1.50, 10/04, page 124 of 448
7.2.3 Translation Table Base Register (TTB)
TTB is used to store the base address of the currently used page table, and so on. The contents of
TTB are not changed unless a software directive is issued. This register can be used freely by
software.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Bit:
Initial value:
R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
R/W R/W R/W
TTB
TTB
R/W R/W R/W R/W R/W
R/W:
Bit:
Initial value:
R/W:
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R/WR/W
R/W R/W R/W R/W
R/W
R/W
7.2.4 TLB Exception Address Register (TEA)
After an MMU exception or address error exception occurs, the virtual address at which the
exception occurred is stored. The contents of this register can be changed by software.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16










Bit:
0000000000000000
Initial value:
RRRRRRRRRRRRRRRR
RRR
TC SA2 SA1 SA0
R R/W R/W R/W R/W
R/W:
Bit:
Initial value:
R/W:
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
000000000000
RRRRRRRR

Renesas SuperH SH-4A Specifications

General

Brand	Renesas
Model	SuperH SH-4A
Category	Computer Hardware
Language	English