MAX6902ETA+T Maxim Integrated Products, MAX6902ETA+T Datasheet - Page 5

• Manufacturer Part Number: MAX6902ETA+T
• Description: IC RTC SPI COMPAT 8-TDFN
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAMr

Specifications of MAX6902ETA+T

• Memory Size: 31B
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX6902ETA+TTR

Figure 2. Register Address Definition (Sheet 1 of 3)
CLOCK
FUNCTION
SECONDS
CONTROL
Note: *POR STATE d efi nes p ow er - on r eset state of r eg i ster contents.
CENTURY
MINUTES
MONTH
HOURS
DATE
YEAR
DAY
_______________________________________________________________________________________
RD 0
RD 0
RD 0
RD 0
RD 0
RD 0
RD 0
RD 0
RD 0
A7 A6 A5 A4 A3 A2 A1 A0
/W
/W
/W
/W
/W
/W
/W
/W
/W
REGISTER ADDRESS
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
1
1
1
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
1
SPI-Compatible RTC in a TDFN
1
1
1
1
1
1
1
1
1
VALUE
*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
01-12
01-30
01-12
01-07
00-99
00-99
0-31
12/24
ALM
OUT
1/0
WP
D7
0
0
0
0
0
0
0
0
0
0
0
0
0
1000 YEAR
10 YEAR
REGISTER DEFINITION
D6 D5 D4
0
0
0 10 DATE
0
0
0
0
0
0
0
1
0
0
0
10 SEC
10 MIN
A/P
HR
0/1
10
0
0
0
0
0 10M
0
0
0
1
0
0
0
HR
10
0
0
0
0
0
0
0
0
1
0
1
D3
0
0
0
0
0
0
0
1
0
0
0
1 MONTH
100 YEAR
1 YEAR
D2 D1
1 DATE
0
0
0
0
0
0
0
0
0
0
1 SEC
1 MIN
WEEK DAY
1 HR
0
0
0
0
0
0
0
0
0
0
D0
0
1
1
1
0
0
0
1
0
0
5