Rainbow-electronics W90P710CDG Instrukcja Użytkownika Strona 427

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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
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