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Please give your code... It will be easier to see your problem ...

You should use $A1 or $A0 as far as I know...

Is you control register set to the right value??
I2CWrite DPIN,CPIN, $A1,$00,[ $09 ] ( See datasheets for the value you need)

Thanks man, by checking your code and comparing it to mine, I realised that I made my "DAY" variable WORD instead of BYTE. It works perfectly now...

Thank you for your help and time.

Cheers

Yes, I have masked it ( I2CWrite DPIN,CPIN, RTC,$00,[ $09 ] ).

Could it be because I'm reading the RTC every second, it is confuses the RTC when it wants to update the date the same time as I'm...

Hi, I am working with a PCF 8583 real time clock. I can read and write to the device correctly, but as soon as the time changes to 00:00:00, the day and month gets incremented by the RTC...

Has PortA been changed to digital outputs?

Hi, I'm using a 24lc256 EEPROM and a PCF8583 Real time clock. I'm using I2C to communicate with them. My question is, how do I tell the pic to communicate to the clock and not the EEPROM? Both has...

I think I now know how to read and write to the DS1996 tag, but I have a different problem now. I can't read the serial number. It read the DS1990 and DS1994 tag serial number fine, but doesn't read...

Yes, it uses 1-wire.

Hi, I would like to know which commands I should use to read and write the ds1996 memory. I know how to read the serial number, but don't know the rest. I'm new to this and will appretiate any help.