W90N745CD Datasheet, PDF (90/422 Pages) Winbond – 16/32-bit ARM microcontroller

W90N745CD/W90N745CDG
Configuration Register (CAHCNF)
Cache controller has a configuration register to enable or disable the I-Cache, D-Cache, and Write
buffer.
REGISTER
CAHCNF
ADDRESS
0xFFF0_2000
R/W
DESCRIPTION
R/W Cache configuration register
RESET VALUE
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
[31:3]
[2]
[1]
[0]
RESERVED
WRBEN
DCAEN
ICAEN
DESCRIPTION
-
Write buffer enable
Write buffer is disabled after reset.
1 = enable write buffer
0 = disable write buffer
D-Cache enable
D-Cache is disabled after reset.
1 = enable D-cache
0 = disable D-cache
I-Cache enable
I-Cache is disabled after reset.
1 = enable I-cache
0 = disable I-cache
Publication Release Date: September 22, 2006
- 85 -
Revision A2