Owner manual

MAX6902
SPI-Compatible RTC in a TDFN
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Figure 2. Register Address Definition (Sheet 1 of 3)
REGISTER ADDRESS REGISTER DEFINITION
FUNCTION A7 A6 A5 A4 A3 A2 A1 A0 VALUE D7 D6 D5 D4 D3 D2 D1 D0
CLOCK
SECONDS RD 0000001 00-59
0 10 SEC 1 SEC
/W *POR STATE 0 000 0000
MINUTES RD 0000011 00-59
ALM
OUT
10 MIN 1 MIN
/W *POR STATE 0 0 0 0 0 0 0 0
HOURS RD 0000101 00-23 12/24
10
HR
/W 01-12 1/0
0
A/P
0/1
10
HR
1 HR
*POR STATE 0 0 00 0 0 0 0
DATE RD 0000111
01-28/29
01-30
0-31
0 0 10 DATE 1 DATE
/W *POR STATE 0 0 000001
MONTH RD 0001001 01-12 0 0 0 10M 1 MONTH
/W *POR STATE 0 0 0 00001
DAY RD 0001011 01-07 0 0 0 0 0 WEEK DAY
/W *POR STATE 0 0 0 0 0 001
YEAR RD 0001101 00-99 10 YEAR 1 YEAR
/W *POR STATE 0 1 1 1 0000
CONTROL RD 0001111 WP 0 0 0 0 0 0 0
/W *POR STATE 0 0 0 0 0 0 0 0
CENTURY RD 0010011 00-99 1000 YEAR 100 YEAR
/W *POR STATE 0 0 0 1 1001
Note: *POR STATE d efi nes p ow er - on r eset state of r eg i ster contents.