Clock operation

M41T60

16/27

Doc ID 10396 Rev 13

3.5

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

CB0

CB1

Leap year?

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).

00

Yes

2000

0

1

No

2100

1

0

No

2200

1

1

No

2300