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Power Management
1.5.4.2 RTC Interrupt Flag Register (RTCINTFL) [1920h]
The RTC interrupt flag register (RTCINTFL) is shown in Figure 1-19 and described in Table 1-29.
Figure 1-19. RTC Interrupt Flag Register (RTCINTFL) [1920h]
15 14 8
ALARMFL Reserved
R-0 R-0
7 6 5 4 3 2 1 0
Reserved EXTFL DAYFL HOURFL MINFL SECFL MSFL
R-0 R-0 R-0 R-0 R-0 R-0 R-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 1-29. RTC Interrupt Flag Register (RTCINTFL) Field Descriptions
Bit Field Value Description
15 ALARMFL Indicates that an alarm interrupt has been generated.
0 Alarm interrupt did not occur.
1 Alarm interrupt occurred (write 1 to clear).
14-6 Reserved 0 Reserved.
5 EXTFL External event (WAKEUP pin assertion) has occurred.
0 External event interrupt has not occurred.
1 External event interrupt occurred (write 1 to clear).
4 DAYFL Day event has occurred.
0 Periodic Day event has not occurred.
1 Periodic Day event occurred (write 1 to clear).
3 HOURFL Hour event has occurred.
0 Periodic Hour event has not occurred.
1 Periodic Hour event occurred (write 1 to clear).
2 MINFL Minute Event has occurred.
0 Periodic Minute event has not occurred.
1 Periodic Minute event occurred (write 1 to clear).
1 SECFL Second Event occurred.
0 Periodic Second event has not occurred.
1 Periodic Second event occurred (write 1 to clear).
0 MSFL Millisecond event occurred.
0 Periodic Millisecond event has not occurred.
1 Periodic Millisecond event occurred (write 1 to clear).
47
SPRUFX5A–October 2010–Revised November 2010 System Control
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