ADE5166 Datasheet, PDF (114/148 Pages) Analog Devices – Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver

ADE5166/ADE5169/ADE5566/ADE5569
Preliminary Technical Data
Table 119. RTC Configuration SFR (TIMECON, 0xA1)
Bit Mnemonic
Default Description
7
Reserved
N/A
Reserved.
6
ALFLAG
0
Alarm flag. This bit is set when the RTC registers match the enabled alarm registers. It can be cleared
by the user to indicate that the alarm has been serviced.
5 to 4 ITS[1:0]
0
INTVAL timebase select bits.
ITS[1:0]
Timebase
00
1/128 sec
01
Second
10
Minute
11
Hour
3
SIT
0
Interval timer one-time alarm.
SIT
Result
0
The ALARM flag is set after INTVAL counts and then another interval count starts.
1
The ALARM flag is set after one time interval.
2
ITFLAG
0
Interval timer flag. This bit is set when the configured time interval has elapsed. It can be cleared by
the user to indicate that the alarm event has been serviced.
1
ITEN
0
Interval timer enable.
ITEN
Result
0
The interval timer is disabled. The 8-bit interval timer counter is reset.
1
Set this bit to enable the interval timer.
0
Unused
N/A
Table 120. RTC Configuration 2 SFR (TIMECON2, 0xA2)
Bit Mnemonic
Default Description
7 to 5 Reserved
N/A
Reserved.
4
ALDAT_EN
0
Alarm date enable. When this bit is set, the data in the AL_DATE register is compared to the data in
the RTC DATE register. If the two values match and any other enabled RTC alarms also match, the
ALFLAG is set. If enabled, an RTC interrupt occurs.
3
ALDAY_EN
0
Alarm day enable. When this bit is set, the data in the AL_DAY register is compared to the data in the
RTC DAY register. If the two values match and any other enabled RTC alarms also match, the ALFLAG
is set. If enabled, an RTC interrupt occurs.
2
ALHR_EN
0
Alarm hour enable. When this bit is set, the data in the AL_HOUR register is compared to the data in
the RTC HOUR register. If the two values match and any other enabled RTC alarms also match, the
ALFLAG is set. If enabled, an RTC interrupt occurs.
1
ALMIN_EN
0
Alarm minute enable. When set, the data in the AL_MIN register is compared to the data in the RTC
MIN register. If the two values match and any other enabled RTC alarms also match, the ALFLAG is
set. If enabled, an RTC interrupt occurs.
0
ALSEC_EN
0
Alarm second enable. When this bit is set, the data in the AL_SEC register is compared to the data in
the RTC SEC register. If the two values match and any other enabled RTC alarms also match, the
ALFLAG is set. If enabled, an RTC interrupt occurs.
Rev. PrB | Page 114 of 148