Rainbow Electronics W90N745CDG - Manual (Page 90)

W90N745CD/W90N745CDG
Publication Release Date: September 22, 2006
- 85 - 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