Torwards
AT8563
July
0
0
0
1
1
1
0
1
1
0
0
0
1
0
0
0
0
0
1
0
0
0
0
1
1
0
1
0
1
0
August
September
October
November
December
Table 18 Years register bits description
08H
Symbol
Description
This register represents the current year value coded in BCD format; value
= 00 to 99.
b7..0 <years>
2.7.5 Alarm registers
When one or more of the alarm registers are loaded with a valid minute, hour, day or
———
weekday and its corresponding AE(Alarm Enable) bit is a logic 0, then that information will be
compared with the current minute, hour, day and weekday. When all enabled comparisons first
match, the bit AF (Alarm Flag) is set.
AF will remain set until cleared by software. Once AF has been cleared it will only be set
again when the time increments to match the alarm condition once more. Alarm registers
———
which have their AE bit set at logic 1 will be ignored.
Table 19 Minute alarm register bits description
09H
b7
Symbol
Description
———
———
———
AE= 0; minute alarm is enabled. A E= 1; minute alarm is disabled.
AE
These bits represents the minute alarm information coded in BCD
format; value = 00 to 59.
b6..0 <minute alarm>
Table 20 Hour alarm register bits description
0AH
7
Symbol
Description
———
———
———
AE
AE= 0; hour alarm is enabled. A E= 1; hour alarm is disabled.
These bits represents the hour alarm information coded in BCD
format; value = 00 to 23.
6 to
0
<hour alarm>
Table 21: Day alarm register bits description
0BH
b7
Symbol
Description
———
———
———
AE
AE= 0; day alarm is enabled. A E= 1; day alarm is disabled.
•
9
•
深圳市宏达科技有限公司 Mobile：13530382140 曾先生
Narda-ATM [ Narda-ATM ]
