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SH7708 Fiches technique(PDF) 123 Page - Renesas Technology Corp

No de pièce SH7708
Description  SuperH??RISC engine
PDF  633 Pages
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Fabricant  RENESAS [Renesas Technology Corp]
Site Internet  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7708 Fiches technique(HTML) 123 Page - Renesas Technology Corp

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105
is way 2, 11 is way 3 in normal mode; 00 and 10 are way 0, and 01 and 11 are way 1 in RAM
mode), and H'F1 to indicate data array access (bits 31–24).
Both reading and writing use the longword of the data array specified by the entry address, way
number and longword address. The access size of the data array is fixed at longword.
W
*
––––
*
0
** *
4
Entry
11110000
31
Read access
23
24
3
2
0
12
13
10
11
W
*
––––
*
A
* **
4
Entry
11110000
31
Write access
Address specification
23
24
3
2
0
12
13
10
11
W
*
––––
*
L
* *
4
Entry
11110001
31
23
24
3
2 1
0
12
13
10
11
XX
U
V
4
LRU
Address tag (31–10)
31
Data specification (both read and write accesses)
32
1
0
10
9
(2) Data array access (both read and write accesses)
Address specification
(1) Address array access
Longword
31
0
Data specification
X:
:
0 for read, don’t care bit for write
Don’t care bit
*
Figure 5.5 Specifying Address and Data for Memory-Mapped Cache Access



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