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May 13, 2014
11:55 PM
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May 13, 2014
11:55 PM
Hi All,
I am working on XMC4500 Relax Lite Kit, i want to establish a communication between external RTC & Board using IIC communication over USIC channel, but i am unable to get any sort of data or clock over SDA & SCL line even in IIC ideal mode, i am using example code provided by Infineon for IIC module.please help me out.
I am working on XMC4500 Relax Lite Kit, i want to establish a communication between external RTC & Board using IIC communication over USIC channel, but i am unable to get any sort of data or clock over SDA & SCL line even in IIC ideal mode, i am using example code provided by Infineon for IIC module.please help me out.
5 Replies
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May 14, 2014
01:44 AM
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May 14, 2014
01:44 AM
Hi ashishkar,
Did you connect external pull up for your line?
External pull up is required by IIC protocol.
Did you connect external pull up for your line?
External pull up is required by IIC protocol.
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May 14, 2014
04:59 AM
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May 14, 2014
04:59 AM
Hi Jackson,
Thanks for the input. I have connected external pull up now the SCL & SDA line are coming high after IIC initialization.But i am unable to get any acknowledgement from the slave.
Thanks for the input. I have connected external pull up now the SCL & SDA line are coming high after IIC initialization.But i am unable to get any acknowledgement from the slave.
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May 15, 2014
01:10 AM
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May 15, 2014
01:10 AM
Hi ashishkar,
Do you see any data on the SDA line or clock on SCL line when you sending data?
Do you see any data on the SDA line or clock on SCL line when you sending data?
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May 15, 2014
01:59 AM
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May 15, 2014
01:59 AM
hi Jackson,
the start condition is detecting but along with this error condition is also detecting and there is no ack, please help.
the start condition is detecting but along with this error condition is also detecting and there is no ack, please help.
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May 21, 2014
09:54 PM
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May 21, 2014
09:54 PM
hi Jackson,
Finally i am able to write data to the external RTC , but while reading from RTC i am getting Garbage value(0xFF), i am not getting where is the problem.
Finally i am able to write data to the external RTC , but while reading from RTC i am getting Garbage value(0xFF), i am not getting where is the problem.