Renesas SH7781 用户手册

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页码 1692
8.   Caches 
Rev.1.00  Jan. 10, 2008  Page 219 of 1658 
REJ09B0261-0100 
 
8.2.3
 
Queue Address Control Register 1 (QACR1) 
QACR1 specifies the area onto which store queue 1 (SQ1) is mapped when the MMU is disabled. 
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Bit:
 
Initial value:
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
R
R
R
R/W
R/W
R/W
R
R
R/W:
Bit:
 
Initial value:
R/W:
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
AREA1
 
 
Bit Bit 
Name 
Initial 
Value R/W 
Description 
31 to 5 
⎯ All 
Reserved 
For details on reading from or writing to these bits, see 
description in General Precautions on Handling of 
Product. 
4 to 2 
AREA1 
Undefined  R/W 
When the MMU is disabled, these bits generate 
physical address bits [28:26] for SQ1. 
1, 0 
⎯ All 
Reserved 
For details on reading from or writing to these bits, see 
description in General Precautions on Handling of 
Product.