- I2c slaves at different clocks
- Posted by sajeera on May 16th, 2008
Hi,
My question is a very basic one. Can an I2C Master run a slave at 100
kz and another slave at 400 khz?
Thank you,
Sharaf
- Posted by Arlet Ottens on May 16th, 2008
sajeera wrote:
No, because the timing violates the requirements of the 100 kHz slave,
its behavior becomes undefined. If this results in random bit errors, it
may occasionally find its own address on the bus, and perform random
commands.
- Posted by Stef on May 16th, 2008
In comp.arch.embedded,
Arlet Ottens <usenet+5@c-scape.nl> wrote:
You are right when that slave can only handle 100kHz (this information is
missing in the original post). But when both slaves can at least handle
400kHz, you can run one at 100kHz the other at 400kHz, no problem. Why
you would want to do that is another matter.
--
Stef (remove caps, dashes and .invalid from e-mail address to reply by mail)
