AT91F40416 ATMEL Corporation, AT91F40416 Datasheet - Page 15

• Manufacturer Part Number: AT91F40416
• Description: At91 Arm(r) Thumb(r) Microcontroller
• Manufacturer: ATMEL Corporation

RTC Status Register
Name:
Access:
• ACKUPD: Acknowledge for Update flag
0 = Time and Calendar registers cannot be updated.
1 = Time and Calendar registers can be updated.
If enabled on this flag, the interrupt is set.
• ALARM: Alarm flag
0 = No Alarm matching condition occurred.
1 = An Alarm matching condition has occurred.
If enabled on this flag, the interrupt is set.
• SEC: Second Event flag
0 = No second event has occurred since the last clear.
1 = At least one second event has occurred since the last clear.
If enabled on this flag, the interrupt is set.
• TIMEV: Time Event
0 = No time event has occurred since the last clear
1 = At least one time event has occurred since the last clear.
The time event is selected in the SELTIM field in RTC_INT_SEL (Interupt Select Register) and can be any one of the follow-
ing events: minute change, hour change, noon, midnight (day change).
• CALEV: Calendar Event
0 = No calendar event has occurred since the last clear
1 = At least one calendar event has occurred since the last clear.
1302B–07/01
Bit
BaseAdr
Read/Write
Initial value
RTC_SR
Read-only
---
7
R
0
---
6
R
0
---
5
R
0
CALEV
4
R
0
TIMEV
3
R
0
SEC
2
R
0
ALARM
1
R
0
ACKUPD
0
R
0
RTC
15