||Using MCC I2C Bus Adapters in SMBus Applications
Using MCC I2C Bus Adapters in SMBus Applications
MCC I2C Bus adapters are designed to meet I2C
Bus Specifications. SMBus is based upon the I2C Bus Specification,
but includes some additional rules primarily designed to help support master
devices operating in a multi-master environment. With the following considerations,
our I2C Bus adapters can be used in many SMBus applications.
In regard to SMBus V1.0, V1.1, and V2.0 Specifications, our I2C Bus
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Do not implement the SMBus 35 millisecond slave device time-out.
Can be directed to operate faster than the maximum SMBus 100 KHz clock
Can operate slower than the minimum SMBus 10 KHz clock rate.
Have a minimum signal high voltage of 3.3V, as compared to SMBus 2.1V.
Note: With the addition of our iVoLT (#IVOLT, Datasheet)
Voltage Level Translator, our I2C Bus adapters can operate with
a minimum signal high voltage of 1.5V.
Can sink up to 3 mA on Clock and Data signals, as compared to SMBus 350
Do not automatically support the optional SMBus slave device Suspend Mode
Do not automatically support the optional SMBus slave device Alert Response
Note: Our I2C Bus adapters support the /INTERRUPT
signal which can be used to support SMBSUS# or SMBALERT# signals.
Do not automatically support the SMBus (V1.1) Packet Error Check byte slave
Do not automatically support the SMBus (V2.0) Address Resolution Protocol.
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