Rainbow Electronics W90N745CDG User Manual
Page 69
Advertising
W90N745CD/W90N745CDG
- 64 -
ROM/Flash Control Register （ROMCON）
REGISTER ADDRESS R/W
DESCRIPTION
RESET
VALUE
ROMCON
0xFFF0_1004
R/W ROM/FLASH control register
0x0000_0XFC
31
30
29
28
27
26
25
24
BASADDR
23
22
21
20
19
18
17
16
BASADDR SIZE
15
14
13
12
11
10
9
8
RESERVED tPA
7
6
5
4
3
2
1
0
tACC
BTSIZE
PGMODE
BITS
DESCRIPTION
[31:19] BASADDR
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.
[18:16] SIZE
The size of ROM/FLASH memory
SIZE [10:8]
Byte
0 0 0
256K
0 0 1
512K
0 1 0
1M
0 1 1
2M
1 0 0
4M
1 0 1 RESERVED
1 1 0 RESERVED
1 1 1 RESERVED
[15:12]
RESERVED
-
Advertising