Thursday, December 6, 2007

[oopic] Re: Speed of I2C clock in OOPic R

--- In oopic@yahoogroups.com, "Samitha Ransara" <samitharansara@...>
wrote:
>
> Hi,
> Can anyone tell me the clock speed of I2C bus used in OOPic R module?
> because this is essential when communicating two microcontrollers
(such as
> OOPic and Microchip Pic ex: 16F877A) via I2C bus.
>
> Thank you very much.
>
>
> Regards,
> Samitha Ransara

Unless you are connecting two OOPIcs with oDDELink, you won't be using
the internal I2C hardware. You will be using the bit-banged local I2C
bus that also connects to the EEPROM. It is quite SLOW! Maybe 16 kHz
or so...

Richard



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