MAX6900 Maxim, MAX6900 Datasheet - Page 9

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

Table 1. Register Address Definition (continued)
Note: POR STATE defines power-on reset state of register contents.
Table 2. Hex Register Address Definition
RAM
COMMAND
ADDRESS/
CLOCK
RAM BURST
FUNCTION
WRITE
(HEX)
BYTE
CC
CA
CE
8A
8C
8E
BE
C0
C2
C4
C6
C8
80
82
84
86
88
92
96
RAM 30
RAM 0
_______________________________________________________________________________________
A7 A6 A5 A4 A3 A2 A1 A0
1
1
1
1
1
1
0
1
1
0
1
1
0
1
1
COMMAND
ADDRESS/
HEX REGISTER ADDRESS/DESCRIPTION
0
1
1
READ
(HEX)
BYTE
CD
CB
8B
8D
BF
C1
C3
C5
C7
C9
CF
81
83
85
87
89
8F
93
97
I
0 RD
0 RD
1 RD
2
/W
/W
/W
C-Compatible RTC in a TDFN
VALUE
RAM DATA 30
RAM DATA 0
DESCRIPTION
Clock Burst
Reserved
Seconds
Minutes
Century
Control
RAM 0
RAM 1
RAM 2
RAM 3
RAM 4
RAM 5
RAM 6
RAM 7
Month
Hours
Date
Year
Day
D7 D6
x
x
x
x
D5 D4
x
x
x
x
D3
x
x
D2 D1
x
x
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
CONTENTS
x
x
POR
N/A
00
00
00
01
01
01
70
00
19
07
D0
x
x
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