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TCAN1044V: UVcc, protected mode

Part Number: TCAN1044V


Tool/software:

Hi team,

RXD pin status at <UVCC, >UVIO, STB=Low is specified as "Recessive" below. 

Does it mean even if Vcc is not powered, if Vio is powered, RXD pin will drive output High?

In my configuration, Vio powered up earlier than Vcc. As soon as Vio is powered, RDX will driven High without Vcc, 

is my understanding correct?

Is there any concern in my power up/down sequence?

Power up : Vio --> Vcc

Power down : Vcc --> Vio

regards,