If two enables EN1 & EN2 are high at the same time which INPUT will be considered for output?
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LTC4314
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The LTC4314 is a hot-swappable 4-channel 2-wire bus multiplexer that allows one upstream bus to connect to any combination of downstream busses or channels...
Datasheet
LTC4314 on Analog.com
If two enables EN1 & EN2 are high at the same time which INPUT will be considered for output?
Hi Diode,
Both. Each of the LTC4314 multiplexer's ENABLEx pins is going to connect(or disconnect) the corresponding SCLOUTx/SDAOUTx bus segment. So if both ENABLE1 and ENABLE2 are driven high, the LTC4314 device is going to connect both SCLOUT1/SDAOUT1 and SCLOUT2/SDAOUT2 to SCLIN/SDAIN
Regards,
Jason
Hi Jason,
Could you please suggest a part? Like Priority based I2C multiplexer. In my case EN1 is high and if EN2 is pulled high there be no operation until EN1 is released.
Thanks
Dharma
Hi Dharma,
No such part to my knowledge. The LTC4306 would be another type of I2C multiplexor... the '4306 sets the connections by commands from the IN bus segment rather than using enable pins.
Is this a multi-master system, or do you have multiple slaves with non-unique addresses? Could you describe what you are trying to accomplish with this application?
Thanks,
Jason
Thank you Jason.