Lpc2000

On 23 Dec 2005, at 9:31 AM, Rob Jansen wrote:
>  Please note, there are 3 different types of devices (seen from an ACK
>  point of view):
>
>      1) Regular devices that always respons with an ACK immediately 
> after
>  receiving the databits.
>      2) EEPROM devices that may strech the clock by holding the ACK 
> until
>  a programming cycle is complete
>      3) special devices that never generate an ACK.

Well the eeprom's I am familiar with (such as the 24LC515) simply don't 
ack the
address byte at all if they are busy writing (i.e. you've just written 
to it). Once they
are done writing (which is normally a few milliseconds), they start 
acking again.

--Craig

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