MAX6902 Maxim, MAX6902 Datasheet - Page 6

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

SPI-Compatible RTC in a TDFN
Figure 2. Register Address Definition (Sheet 2 of 3)
6
_______________________________________________________________________________________
ALARM
THRESHOLDS
to this location.
FUNCTION
Do not write
RESERVED
SECONDS
MINUTES
CONFIG
MONTH
HOURS
CLOCK
ALARM
BURST
DATE
YEAR
DAY
RD 0
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
/W
REGISTER ADDRESS
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
0
0
0
1
0
0
1
1
1
1
0
0
0
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
1
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
01-31
01-12
01-07
00-99
12/24
D7
1/0
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
REGISTER DEFINITION
10 YEAR
D6
1
0
0
0
0
0
0
1
0
1
0
0
0
0
10 SEC
10 MIN
10 DATE
A/P
HR
0/1
D5 D4
10
1
1
1
0
0
0
1
0 10M
0
0
0
1
HR
10
0
0
1
0
1
1
0
1
1
0
1
D3 D2 D1
0
0
0
0
0
1
1
1
1
1
1
1 MONTH
1 YEAR
0
1
1
1
1
1 DATE
1
1
1
1
1
1 SEC
1 MIN
WEEK DAY
1 HR
1
1
1
0
1
1
1
1
1
1
D0
0
1
1
1
1
1
1
1
1
1