Table 3. hex register address/description – Rainbow Electronics MAX6901 User Manual
Page 9
MAX6901
3-Wire Serial RTC in a TDFN
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9
WRITE
ADDRESS/COMMAND
BYTE (HEX)
READ
ADDRESS/COMMAND
BYTE (HEX)
DESCRIPTION
POR CONTENTS
(HEX)
80
81
SECONDS
00
82
83
MINUTES
00
84
85
HOUR
00
86
87
DATE
01
88
89
MONTH
01
8A
8B
DAY
01
8C
8D
YEAR
70
8E
8F
CONTROL
00
90
91
RESERVED
Nonapplicable
92
93
CENTURY
19
94
95
ALARM CONFIGURATION
00
96
97
RESERVED
07
98
99
SECONDS ALARM THRESHOLD
7F
9A
9B
MINUTES ALARM THRESHOLD
7F
9C
9D
HOURS ALARM THRESHOLD
BF
9E
9F
DATE ALARM THRESHOLD
3F
A0
A1
MONTH ALARM THRESHOLD
1F
A2
A3
DAY ALARM THRESHOLD
07
A4
A5
YEAR ALARM THRESHOLD
FF
BE
BF
CLOCK BURST
Nonapplicable
C0
C1
RAM 0
Indeterminate
C2
C3
RAM 1
Indeterminate
C4
C5
RAM 2
Indeterminate
C6
C7
RAM 3
Indeterminate
C8
C9
RAM 4
Indeterminate
CA
CB
RAM 5
Indeterminate
CC
CD
RAM 6
Indeterminate
CE
CF
RAM 7
Indeterminate
D0
D1
RAM 8
Indeterminate
D2
D3
RAM 9
Indeterminate
D4
D5
RAM 10
Indeterminate
D6
D7
RAM 11
Indeterminate
D8
D9
RAM 12
Indeterminate
DA
DB
RAM 13
Indeterminate
DC
DD
RAM 14
Indeterminate
DE
DF
RAM 15
Indeterminate
E0
E1
RAM 16
Indeterminate
E2
E3
RAM 17
Indeterminate
Table 3. HEX Register Address/Description