Lpc2000

Hi Rick,

at time of occurrence of an I2C-Interrupt, the I2STAT should have a value mentioned here: 

http://www.semiconductors.philips.com/acrobat_download/various/8XC552_562OVERVIEW_2.pdf 
 
(start at page 23).

If not: no idea, sorry.
You say, your value varies. Do you use a debugger? Perhaps you got a timing problem, see
[lpc2000] What is th different between working in real time and real time debug?

I got such a problem too, and I think Marco too.

Jan

 


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	Von: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com] Im Auftrag von mithilesh naik
	Gesendet: Donnerstag, 16. März 2006 15:39
	An: lpc2000@yahoogroups.com
	Betreff: Re: AW: [lpc2000] I2C interface.
	
	
	Hi Jan,
	  as per ur suggestion i did monitored the content of I2STAT.sometimes it gives nack in response to SLA+R/W or sometimes i do get ack.on getting ack when i x'mit position address the I2STAT simply returns any random value which is not being mentioned anywhere in data sheets.i hope Jan u would give me a solution for this.
	   
	  Thank you.  
	
	Jan Hansen <j.hansen@...> wrote:
	  Hi Rick,
	
	so what do you get then? if the slave responds at all, one on them you will get; ack and nack only describe the state of SDA and SCL. try to catch the I2STAT register when interrupt service routine is called.
	
	Jan
	
	
	________________________________
	
	      Von: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com] Im Auftrag von rick_frenz
	      Gesendet: Mittwoch, 15. März 2006 05:52
	      An: lpc2000@yahoogroups.com
	      Betreff: [lpc2000] I2C interface.
	      
	      
	      Hi!I am interfacing EEPROM with LPC2138 through I2C engine.I do egt 
	      acknowledgement for slave address but when I do send address and data 
	      it simply doen't give me ack or nack.Can anyone help me out with this.
	      
	      Thank you. 
	      
	      
	      
	      
	      
	      
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