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You need to treat them as completely separate devices, eg., all the PS control signals need to be separated.
If you need to have the devices configure in two-device PS mode at some times, and then in single device PS mode at other times, you can use tri-state buffers or bus-switches on the PS signals, and use the CPU to select the appropriate operating mode.
Feel free to post a diagram showing what you are trying to do, and forum members will take a look.
Cheers,
Dave
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Thanks Dave,
it is not clear for me why should I separate the DATA and DCLK signals? and even the nSTATUS and Config_done , as they are open drain according to my knowledge can stay connected together . Can you explain more broadly your recommendation.
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