W90N745CD/W90N745CDG
ROM/Flash Control Register （ROMCON）
REGISTER
ADDRESS
R/W
DESCRIPTION
RESET VALUE
ROMCON
R/W ROM/FLASH control register
0xFFF0_1004
0x0000_0XFC
31
23
15
7
30
22
29
21
28
27
19
11
3
26
18
10
2
25
24
16
8
BASADDR
20
12
4
17
SIZE
9
BASADDR
13
14
6
RESERVED
tPA
5
1
0
tACC
BTSIZE
PGMODE
BITS
DESCRIPTION
Base address pointer of ROM/Flash bank
The start address is calculated as ROM/Flash bank base pointer << 18.
The base address pointer together with the “SIZE” bits constitutes the
whole address range of each bank.
[31:19]
BASADDR
The size of ROM/FLASH memory
SIZE [10:8]
Byte
256K
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
512K
1M
[18:16]
[15:12]
SIZE
2M
4M
RESERVED
RESERVED
RESERVED
RESERVED
-
- 64 -
WINBOND [ WINBOND ]
