Addressing on I2C

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ZOT

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Mar 19, 2021, 4:33:49 AMMar 19
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Are they some 'reserved' 'well known' addresses on i2c?
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Les politiciens sont imprévoyants, les électeurs sans mémoire.

David Brown

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Mar 19, 2021, 5:07:18 AMMar 19
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On 19/03/2021 09:33, ZOT wrote:
> Are they some 'reserved' 'well known' addresses on i2c?

No. You only have 7 bits for the address - that is too small a range to
be able to reserve addresses for particular purposes.

Stef

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Mar 19, 2021, 5:34:05 AMMar 19
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On 2021-03-19 ZOT wrote in comp.arch.embedded:
> Are they some 'reserved' 'well known' addresses on i2c?

A little search shuld get you started. ;-)
https://www.csd.uoc.gr/~hy428/reading/i2c_spec.pdf
https://i2c.info/i2c-bus-specification
https://en.wikipedia.org/wiki/I%C2%B2C

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Stef (remove caps, dashes and .invalid from e-mail address to reply by mail)

If you didn't have to work so hard, you'd have more time to be depressed.

Stef

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Mar 19, 2021, 5:40:05 AMMar 19
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And even in that small range, there are reserved and allocated addresses,
see other post.

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Stef (remove caps, dashes and .invalid from e-mail address to reply by mail)

knowledge, n.:
Things you believe.

David Brown

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Mar 19, 2021, 6:28:12 AMMar 19
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On 19/03/2021 10:37, Stef wrote:
> On 2021-03-19 David Brown wrote in comp.arch.embedded:
>> On 19/03/2021 09:33, ZOT wrote:
>>> Are they some 'reserved' 'well known' addresses on i2c?
>>
>> No. You only have 7 bits for the address - that is too small a range to
>> be able to reserve addresses for particular purposes.
>
> And even in that small range, there are reserved and allocated addresses,
> see other post.
>

I stand corrected. Thank you.

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