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by JohnCrow
Thu Mar 28, 2013 10:30 am
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Re: DS1307 RTC

Hi
With the 18F4550 (and the 18F4455) the I2C is on Port B

SDA = RB0
SCL = RB1

You will need to connect the RTC device to these pins and move the LCD to another port
Let me know if this sorts it for you, if not Ill try it on my hardware over the weekend.