Problem working with RTC DS1337.

Projects Programming
4

srj0408:
and with respect to using PULL-UP resistor while using INTA and INTB , i think when i am not using them at present, it must not bother my main code or functionalities of the RTC.

I looked at the datasheet and you're right, it is allowed to let them float.

In the datasheet on page 10 http://datasheets.maximintegrated.com/en/ds/DS1337-DS1337C.pdf I also found the following, maybe that will help you:

Control Register (0Eh)
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
EOSC 0 0 RS2 RS1 INTCN A2IE A1IE

Bit 7: Enable Oscillator (EOSC). This active-low bit when set to logic 0 starts the oscillator. When this bit is set to
logic 1, the oscillator is stopped. This bit is enabled (logic 0) when power is first applied.