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I2C and TX/RX at the same PIC

 
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theasus



Joined: 31 May 2009
Posts: 79

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I2C and TX/RX at the same PIC
PostPosted: Thu Oct 08, 2009 10:41 am     Reply with quote
The pic that I will be using is PIC16F877A. I want to use TX/RX pin and I2C pins for different operations. Can it be? Does it affect PIC performance?
TX/RX for computer communication.
I2C for DS1302(real time clock).
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Thu Oct 08, 2009 1:22 pm     Reply with quote
DS1302 uses 3-wire SPI. It doesn't use i2c. Read the data sheet.

Look at this CCS example file for the DS1302. It uses rs-232 to send
data to the PC.
Quote:
c:\program files\picc\examples\ex_rtclk.c
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