9 REAL-TIME CLOCK (RTCA)
9-14
Seiko Epson Corporation
S1C17M20/M21/M22/M23/M24/M25
TECHNICAL MANUAL (Rev. 1.0)
Bits 11–9 Reserved
Bit 8
ALARMIE
Bit 7
1DAYIE
Bit 6
1HURIE
Bit 5
1MINIE
Bit 4
1SECIE
Bit 3
1_2SECIE
Bit 2
1_4SECIE
Bit 1
1_8SECIE
Bit 0
1_32SECIE
These bits enable real-time clock interrupts.
1 (R/W): Enable interrupts
0 (R/W): Disable interrupts
The following shows the correspondence between the bit and interrupt:
RTCINTE.ALARMIE bit: Alarm interrupt
RTCINTE.1DAYIE bit:
1-day interrupt
RTCINTE.1HURIE bit: 1-hour interrupt
RTCINTE.1MINIE bit:
1-minute interrupt
RTCINTE.1SECIE bit:
1-second interrupt
RTCINTE.1_2SECIE bit: 1/2-second interrupt
RTCINTE.1_4SECIE bit: 1/4-second interrupt
RTCINTE.1_8SECIE bit: 1/8-second interrupt
RTCINTE.1_32SECIE bit: 1/32-second interrupt