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SMBus

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Revision as of 05:50, 14 January 2025 by Dank (talk | contribs) (Created page with "SMBus, designed by Intel and Duracell, is very similar to I<sup>2</sup>C from Philips. It is a single-ended two-wire protocol. It supports V<sub>DD</sub> from 3V to 5V (SMBus 2.0) or 1.8V to 5V (SMBus 3.0). ==Differences from I<sup>2</sup>C== * Clock low timeout at 35ms, and a minimum clock frequency of 10 kHz to support this. * Shared alert/interrupt signal")
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SMBus, designed by Intel and Duracell, is very similar to I2C from Philips. It is a single-ended two-wire protocol. It supports VDD from 3V to 5V (SMBus 2.0) or 1.8V to 5V (SMBus 3.0).

Differences from I2C

  • Clock low timeout at 35ms, and a minimum clock frequency of 10 kHz to support this.
  • Shared alert/interrupt signal
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