MC9S12NE64 - Problem with I2C, in debug, pins SDA holds low

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MC9S12NE64 - Problem with I2C, in debug, pins SDA holds low

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erooll
Contributor II

Hi, I have a problem with my I2C bus, I use a NE64 microcontroller and a memory 24LC256, when I put my I2C module in Master Reciver mode and just I reset microcontroller, the line SDA holds low, and when I restart the nodule, just before I enable the module, the flag IBB is set because the state of SDA line, who I can fix this problem?

 

 

 

Added part number to subject.



Message Edited by NLFSJ on 2007-06-14 10:34 PM
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mjbcswitzerland
Specialist V
Hi

What value of pull-up do you have on the SDA line?

Regards

Mark Butcher
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