Rainbow Electronics W90P710CDG User Manual
Page 427
W90P710CD/W90P710CDG
Publication Release Date: September 19, 2006
- 427 -
Revision B2
BITS
DESCRIPTIONS
[31:0]
INIR
INIR [31:0]:
The INIR register is used to replace hardware reset circuit. User must
write INIR as “0xa5eb_1357” after RTC is power on.
INIR [0]:
R/W. Once RTC INIR has been written, user can access this bit to find
out whether RTC reset signal is pulled high.
RTC Access Enable Register (RTC_AER)
REGISTER ADDRESS R/W
DESCRIPTION
RESET
VALUE
RTC_AER
0xFFF8_4004
R/W
RTC Access Enable Register
0X0000_0000
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Reserved AER[16]
15
14
13
12
11
10
9
8
AER[15:8]
7
6
5
4
3
2
1
0
AER[7:0]
BITS
DESCRIPTIONS
[31:17]
Reserved
-
[16:0]
AER
AER [16]: Read only
1 = RTC register write enable
0 = RTC register write disable
AER[15:0]: Write only
RTC register write enable/disable password
0xa965 = write enable
0x0000 = write disable