M41T60_05 STMICROELECTRONICS [STMicroelectronics], M41T60_05 Datasheet - Page 14

• Manufacturer Part Number: M41T60_05
• Description: Serial access real-time clock
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Clock operation
3.5
14/24
Initial power-on defaults
Upon initial application of power to the device, the OUT Bit will be set to a '1,' while the ST,
OFIE, and FT Bits will be set to '0.' All other Register bits will initially power-on in a random
state.
Table 3. Century Bits Examples
1. Leap year occurs every four years (for years evenly divisible by four), except for years evenly divisible by
100. The only exceptions are those years evenly divisible by 400 (the year 2000 was a leap year, year
2100 is not).
CB0
0
0
1
1
CB1
0
1
0
1
Leap Year?
Yes
No
No
No
Example
2000
2100
2200
2300
M41T60
(1)