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i2c

kppp kpp

heiio everyone;
i hav some queries regarding i2c communication

1.what is the range an i2c communication travel without affecting the data

2.how many devices can we connect on i2c-i have read 127 addresses, can u explain me this?

3. what is the difference between i2c,rs232 and rs484

thank u all

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  • 0 in reply to Catcus Blip

    I was just giving an example for a total bus capacitance of 400 p/F
    the "total bus capacitance" you can handle, again depends on the pullup resistors.

    no "head biting" just facts.

    everything re IIC depends on.

    Yes, if you use the minimum pullup resistors (can your uC handle that??) you can handle the maximum capacitance.

    Erik

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  • 0 in reply to Catcus Blip

    I was just giving an example for a total bus capacitance of 400 p/F
    the "total bus capacitance" you can handle, again depends on the pullup resistors.

    no "head biting" just facts.

    everything re IIC depends on.

    Yes, if you use the minimum pullup resistors (can your uC handle that??) you can handle the maximum capacitance.

    Erik

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