Rainbow Electronics W90P710CDG User Manual
Page 437
W90P710CD/W90P710CDG
Publication Release Date: September 19, 2006
- 437 -
Revision B2
Continued
BITS
DESCRIPTIONS
[0]
Alarm_int_st
RTC Alarm Interrupt Indication REGISTER
1 = It indicates that time counter and calendar counter have
counted
to a specified time recorded in TAR and CAR. RTC alarm
interrupt
has been activated.
0 = It indicates that alarm interrupt has never occurred. Software
can
Also clear this bit after RTC interrupt has occurred.
Note : User can clear these two bits by writing 0x0 to RIIR
RTC Tick Time Register (RTC_TTR)
REGISTER ADDRESS R/W
DESCRIPTION
RESET
VALUE
RTC_TTR
0xFFF8_4030
R/W
RTC Tick Time 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
TTI