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CDCM6208V1F: the power of the cdcm6208

Part Number: CDCM6208V1F

I want get 1.8v-LVCMOS  and 3.3v-LVCMOS at the same time .I wander if i give 1.8v to DVDD,then i give 1.8v and 3.3v to different VDD_Yx_Yy. Does this setting can realize? 

or the DVDD MUST ≥ VDD_Yx_Yy?

  • "RESETN/PWR: In Pin mode this pin controls device core and I/O supply voltage
    setting. 0 = 1.8 V, 1 = 2.5/3.3 V for the device core and I/O power
    supply voltage. In pin mode, it is not possible to mix and match the
    supplies. All supplies should either be 1.8 V or 2.5/3.3 V."

    So do not use pin mode.

    Use register bits SUPPLY_CHx to define power supply for output channels.