MAX6902 Maxim, MAX6902 Datasheet - Page 7

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

Figure 2. Register Address Definition (Sheet 3 of 3)
Table 2. Register Address and Description
WRITE (HEX)
RAM
RAM BURST
FUNCTION
Note: *POR STATE defines power-on reset state of register contents.
0B
0D
1B
1D
01
03
05
07
09
0F
13
15
17
19
1F
21
23
25
3F
RAM 30
RAM 0
•
•
•
_______________________________________________________________________________________
RD 1
RD 1
RD 1
A7 A6 A5 A4 A3 A2 A1 A0
/W
/W
/W
REGISTER ADDRESS
READ (HEX)
0
1
1
8D
9D
8B
9B
A1
A3
A5
BF
81
83
85
87
89
8F
93
95
97
99
9F
0
1
1
•
•
•
0
1
1
0
1
1
0
0
1
SPI-Compatible RTC in a TDFN
1
1
1
Seconds Alarm Threshold
Minutes Alarm Threshold
Month Alarm Threshold
Hours Alarm Threshold
Date Alarm Threshold
Year Alarm Threshold
Day Alarm Threshold
Alarm Configuration
DESCRIPTION
Clock Burst
Reserved
Seconds
Minutes
Century
Control
VALUE
Month
RAM DATA 30
Hours
Date
Year
Day
RAM DATA 0
•
•
•
D7
x
x
REGISTER DEFINITION
D6 D5 D4
x
x
x
x
x
•
•
•
x
POR CONTENTS (HEX)
D3
x
x
Not applicable
D2 D1
x
x
BF
00
00
00
01
01
01
70
00
19
00
07
7F
7F
3F
1F
07
FF
x
x
D0
x
x
7