At 19:01 04/21/99 -0400, Andy Kunz wrote:
>
> At 03:59 PM 4/21/99 -0400, you wrote:
>>
>> Does anyone have some routines for using the hardware I2C module on the
>> 17C756?  I'm using a 24LC256 and having a devil of a time with getting it to
>> work.  I'm reading and writing about 25 bytes(currently) sequentially in RAM
>> and from the EEPROM.
>
>
> It may not be your I2C stuff - it might be the page size in your EE.  You can
> only write a fixed max number of bytes at a time - I don't have the docs
> handy, but if its "page size" is less than 25 bytes you need to break the
> writes down into 1-page-at-a-time writes with 5ms (or so) between writes.


yes, and make sure that you observe the correct page boundaries (low address
bits zero).

ge