The SSP module does not fully implement Master Mode in hardware. By the way there are 2 ap-notes on the Microchip site relating to I2C on midrange PICs. Go to this URL: http://www.microchip.com/10/Appnote/Category/16CXX/index.htm Then have a look at AN554 and AN578. At 04:33 PM 11/28/98 +0100, you wrote: >Finally I have found how to send messages in plain text, so here is my >message again. For those who have read it already, I'm sorry !! > >Could anybody send me the software for the I2C routines in assembler for a >PIC16C63 !! Master Mode!!!!!!!! >There are two ways to program the I2C possibilities of the PIC : one by >using the SSP module and another one without using the SSP module. If >possible could you send me both. > >The main questions are : > >Can I use the SSP-module of the PIC16C63 to be the single master of a fully >implemented I2C-bus (this means a bus with many slaves !!) If yes, when I >move a byte to the register SSPBUF will it be send to the I2C bus without >writing any software for it ?? > >When I can't use the SSP module, is there anybody who can give me the source >code for the I2C routines ?? Or give me some clues !! > >Can somebody help me please, its very urgent !! > >Greetings from Glenn Goovaerts from Belgium > ****************************** Richard Katezansky Tangent Electronics Ltd. Montreal, Canada ******************************