Rainbow Electronics MAX6901 - Manual (Page 7)

MAX6901
3-Wire Serial RTC in a TDFN
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Table 2. Register Address/Definition (continued)
REGISTER ADDRESS REGISTER DEFINITION
FUNCTION A7 A6 A5 A4 A3 A2 A1 A0 VALUE D7 D6 D5 D4 D3 D2 D1 D0
0
YEAR
DAY
MONTH
DATE HOUR
MINUTE SECOND
ALARM
CONFIG
1 0 0 1 0 1 0
RD
/W
*POR STATE 0 0 0 0 0 0 0 0
RESERVED 0 0 0 0 0 1 1 1
Do not write
to this location.
1 0 0 1 0 1 1
RD
/W
*POR STATE 0 0 0 0 0 1 1 1
ALARM
THRESHOLDS
00-59 0 10 SEC 1 SEC
SECOND 1 0 0 1 1 0 0
RD
/W
*POR STATE 0 1 1 1 1 1 1 1
00-59 0 10 MIN 1 MIN
MINUTE 1 0 0 1 1 0 1
RD
/W
*POR STATE 0 1 1 1 1 1 1 1
00-23 12/24
10
HR
HOUR 1 0 0 1 1 1 0
RD
/W
01-12 1/0
0
A/P
0/1
10
HR
1 HR
*POR STATE 1 0 1 1 1 1 1 1
01-28/29
01-30
01-31 0 0 10 DATE 1 DATE
DATE 1 0 0 1 1 1 1
RD
/W
*POR STATE 0 0 1 1 1 1 1 1
01-12 0 0 0 10 M 1 MONTH
MONTH 1 0 1 0 0 0 0
RD
/W
*POR STATE 0 0 0 1 1 1 1 1
01-07 0 0 0 0 0 WEEKDAY
DAY 1 0 1 0 0 0 1
RD
/W
*POR STATE 0 0 0 0 0 1 1 1
00-99 10 YEAR 1 YEAR
YEAR 1 0 1 0 0 1 0
RD
/W
*POR STATE 1 1 1 1 1 1 1 1
CLOCK
BURST
1 0 1 1 1 1 1
RD
/W
Note: *POR STATE defines power-on reset state of register content.