I2C is always MSB-first I believe. So 10000000 is 0x80.

On Sun, Jan 12, 2014 at 2:23 AM, Matanel <[email protected]> wrote:

> Thanks.
>
> About the second question: for example, my device start sending this
> binary nubmer - 10000000, which the '1' is the first bit was sent.
> what the IOIO respose byte buffer will receive, 00000001 or 10000000
>
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