Rainbow Electronics W90N745CDG User Manual
Page 90

W90N745CD/W90N745CDG
Publication Release Date: September 22, 2006
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85
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Revision
A2
Configuration Register (CAHCNF)
Cache controller has a configuration register to enable or disable the I-Cache, D-Cache, and Write
buffer.
REGISTER ADDRESS R/W
DESCRIPTION
RESET
VALUE
CAHCNF
0xFFF0_2000
R/W Cache configuration register
0x0000_0000
31
30
29
28
27
26
25
24
RESERVED
23
22
21
20
19
18
17
16
RESERVED
15
14
13
12
11
10
9
8
RESERVED
7
6
5
4
3
2
1
0
RESERVED WRBEN
DCAEN
ICAEN
BITS
DESCRIPTION
[31:3] RESERVED
-
[2] WRBEN
Write buffer enable
Write buffer is disabled after reset.
1 = enable write buffer
0 = disable write buffer
[1] DCAEN
D-Cache enable
D-Cache is disabled after reset.
1 = enable D-cache
0 = disable D-cache
[0] ICAEN
I-Cache enable
I-Cache is disabled after reset.
1 = enable I-cache
0 = disable I-cache