Panasonic MN101L Series

Chapter 12
Real Time Clock (RTC)
XII - 6 Control Registers
 Alarm 0 Hours Setting Register (AL0IRQH: 0x03ED5)
 Alarm 0 Day of Week Setting Register (AL0IRQW: 0x03ED6)
..
Alarm 0 interrupt is not guaranteed if the prohibited value is set in AL0IRQMI, AL0IRQH, and
AL0IRQW.
RTCAL0IRQ, AL0IRQMI, AL0IRQH and AL0IRQW must be set when
RTCAL0IRQ.AL0IRQSET is "0".
..
bp76543210
Bit name - AL0IRQH6 AL0IRQH5-0
At reset00000000
Access R R/W R/W R/W R/W R/W R/W R/W
bp Bit name Description
7 - Always read as 0.
6 AL0IRQH6
Alarm 0 "AM/PM" setting
0: AM
1: PM
* This bit must be set in 12-hour clock mode.
In 24-hour clock mode, this bit must be set to "0".
5 to 0 AL0IRQH5-0
Alarm 0 "Hour" setting
<24-hour clock mode>
Set a value within the range of "00" to "23" using the BCD format.
<In 12-hour clock>
Set a value within the range of "00" to "11" using the BCD format.
* The value which doesn’t exist must not be set.
bp76543210
Bit name----- AL0IRQW2-0
At reset00000000
Access R R R R R R/W R/W R/W
bp Bit name Description
7 to 3 - Always read as 0.
2 to 0 AL0IRQW2-0
Alarm 0 "Day of the week" setting
000: Sunday
001: Monday
010: Tuesday
011: Wednesday
100: Thursday
101: Friday
110: Saturday
111: Setting Prohibited