> From: Clewer,Brian <brian.clewer@TELEMATICS.COM>
> To: PICLIST@MITVMA.MIT.EDU
> Subject: eeprom write time
> Date: Thursday, 5 June 1997 09:27
>
> Hi all,
>      I have just finished my code for IIC and now have a new problem.  I
can
> read and write to my eeprom but the time taken to write the page when I
send
> the stop bit is not known.  Does any one know how long the info takes to
go
> from the cache to the eeprom cells?  From this I will know how long I
will
> have to wait to read the eeprom after a page write.

How about using acknowledge polling, rather than a fixed delay?  This means
you don't need to reference delay loop to clock.

Quote from Microchip's data
"Since the device will not acknowledge during a write cycle, this can be
used to determine when  the cycle is complete. (this feature can be used to
maximise bus thruput.)  Once the stop condition for a write cycle has been
issued from the master, the device initiates the internally timed write
cycle.  ACK polling can be initiated immediately. " ...

MikeS
<mikesmith_oz@relaymail.net>