MAX6909EO33 Maxim Integrated, MAX6909EO33 Datasheet - Page 16

• Manufacturer Part Number: MAX6909EO33
• Description: Real Time Clock
• Manufacturer: Maxim Integrated
• Series: MAX6909, MAX6910r

Specifications of MAX6909EO33

• Function: Clock, Calendar, Watchdog Timekeeper, NV SRAM Control
• Rtc Bus Interface: Serial
• Time Format: HH
• Rtc Memory Size: 31 B
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Package / Case: QSOP-20

I
Supervisor and NV RAM Controller
Table 3. Hex Register Address/Description
*This is a read-only register.
16
WRITE (HEX)
2
C-Compatible Real-Time Clocks with µP
______________________________________________________________________________________
CA
CC
DA
DC
8C
9C
BE
C0
C2
C4
C6
C8
CE
D0
D2
D4
D6
D8
DE
80
82
84
86
88
8A
8E
90
92
94
98
9A
9E
A0
A2
A4
A6
A8
E0
E2
—
READ (HEX)
CB
CD
DB
DD
8D
9D
C1
C3
C5
C7
C9
CF
D1
D3
D5
D7
D9
DF
81
83
85
87
89
8B
8F
91
93
95
97
99
9B
9F
A1
A3
A5
A7
A9
BF
E1
E3
Seconds
Minutes
Hours
Date
Month
Day
Year
Control
Trickle charger
Century
Alarm configuration
Test configuration*
CX status
Configuration
Seconds alarm threshold
Minutes alarm threshold
Hours alarm threshold
Date alarm threshold
Month alarm threshold
Day alarm threshold
Year alarm threshold
Clock burst
RAM 0
RAM 1
RAM 2
RAM 3
RAM 4
RAM 5
RAM 6
RAM 7
RAM 8
RAM 9
RAM 10
RAM 11
RAM 12
RAM 13
RAM 14
RAM 15
RAM 16
RAM 17
DESCRIPTION
POR CONTENTS (HEX)
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
N/A
00
00
00
01
01
01
70
00
00
19
00
07
00
00
7F
7F
BF
3F
1F
00
FF
POR CONTENTS (BCD)
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
N/A
BF
00
00
00
01
01
01
70
00
00
19
00
07
00
00
7F
7F
3F
1F
00
FF