MAX6900 Maxim, MAX6900 Datasheet - Page 8

• Manufacturer Part Number: MAX6900
• Description: I2C-Compatible RTC in a TDFN
• Manufacturer: Maxim

I
8
Table 1. Register Address Definition
2
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C-Compatible RTC in a TDFN
CLOCK
FUNCTION
RESERVED
CONTROL
CENTURY
MONTH
CLOCK
BURST
DATE
YEAR
DAY
SEC
MIN
HR
A7 A6 A5 A4 A3 A2 A1 A0
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
1
1
1
1
0
0
1
0
0
1
1
0
0
1
1
0
1
1
0 RD
1 RD
0 RD
1 RD
0 RD
1 RD
0 RD
1 RD
1 RD
1 RD
1 RD
/W
/W
/W
/W
/W
/W
/W
/W
/W
/W
/W
VALUE
*POR STATE
*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 12/24
01-12
01-30
01-31
01-12
01-07
00-99
00-99
WP
D7 D6
1/0
0
0
7
0
0
0
0
0
0
0
0
0
0
0
0
0
1000 YEAR
10 YEAR
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
10 SEC
10 MIN
10 DATE
D5 D4
A/P
HR
0/1
0
0
0
10
0
1
0
0
0
0
0
0 10M
0
0
0
0
HR
0
0
10
0
0
0
0
0
0
0
1
0
1
D3
0
0
0
0
0
0
0
0
0
0
1
0
0
1 MONTH
100 YEAR
1 YEAR
D2 D1
0
1 DATE
WEEK DAY
0
0
0
0
0
0
0
0
0
0
1
1 SEC
1 MIN
1 HR
0
0
1
0
0
0
0
0
0
0
0
0
D0
1
0
1
1
0
0
0
1
0
1
0
0