MAX6902 Maxim, MAX6902 Datasheet - Page 5

• Manufacturer Part Number: MAX6902
• Description: I2C-Compatible RTC in a TDFN
• Manufacturer: Maxim

Figure 2. Register Address Definition (Sheet 1 of 3)
CLOCK
FUNCTION
SECONDS
CONTROL
Note: *POR STATE d efi nes p ow er - on r eset state of r eg i ster contents.
CENTURY
MINUTES
MONTH
HOURS
DATE
YEAR
DAY
_______________________________________________________________________________________
RD 0
RD 0
RD 0
RD 0
RD 0
RD 0
RD 0
RD 0
RD 0
A7 A6 A5 A4 A3 A2 A1 A0
/W
/W
/W
/W
/W
/W
/W
/W
/W
REGISTER ADDRESS
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
1
1
1
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
1
SPI-Compatible RTC in a TDFN
1
1
1
1
1
1
1
1
1
VALUE
*POR STATE
*POR STATE
*POR STATE
*POR STATE
*POR STATE
*POR STATE
*POR STATE
*POR STATE
*POR STATE
01-28/29
00-59
00-59
00-23
01-12
01-30
01-12
01-07
00-99
00-99
0-31
12/24
ALM
OUT
1/0
WP
D7
0
0
0
0
0
0
0
0
0
0
0
0
0
1000 YEAR
REGISTER DEFINITION
10 YEAR
D6 D5 D4
0
0
0 10 DATE
0
0
0
0
0
0
0
1
0
0
0
10 SEC
10 MIN
A/P
HR
0/1
10
0
0
0
0
0 10M
0
0
0
1
0
0
0
HR
10
0
0
0
0
0
0
0
0
1
0
1
D3
0
0
0
0
0
0
0
0
0
0
1
1 MONTH
100 YEAR
1 YEAR
D2 D1
1 DATE
0
0
0
0
0
0
0
0
0
0
1 SEC
1 MIN
WEEK DAY
1 HR
0
0
0
0
0
0
0
0
0
0
D0
0
0
0
1
1
1
0
0
0
1
5