Rtc Seconds Alarm Register; Table 23-8 Rtc Seconds Alarm Register Description - Motorola DragonBall MC9328MX1 Reference Manual

23.2.6 RTC Seconds Alarm Register

The real-time clock seconds alarm (ALRM_SEC) register is used to configure the seconds setting for the
alarm. The alarm settings can be read or written at any time.
ALRM_SEC
BIT 31 30 29
TYPE r r r
0 0 0
RESET
BIT 15 14 13
TYPE r r r
0 0 0
RESET
Table 23-8. RTC Seconds Alarm Register Description
Name
Reserved Reserved—These bits are reserved and should read 0.
Bits 31–6
SECONDS Seconds Setting of the Alarm—Indicates the current
Bits 6–0 seconds setting of the alarm.
MOTOROLA
RTC Seconds Alarm Register
28 27 26 25
r r r r
0 0 0 0
12 11 10 9
r r r r
0 0 0 0
Description
Real-Time Clock (RTC)
24 23 22 21 20
r r r r r
0 0 0 0 0
0x0000
8 7 6 5 4
r r r rw rw
0 0 0 0 0
0x0000
SECONDS can be set to any value
between 0 and 59.
Programming Model
Addr
0x0020400C
19 18 17 16
r r r r
0 0 0 0
3 2 1 0
SECONDS
rw rw rw rw
0 0 0 0
Settings
23-9