Enhanced Flags1

      Has the following settings (see Remarks for more information):

      Bit 0

        Enhanced mode supported by hardware.
      Bit 1
        Enable the Enhanced mode (default)
      Bits 2-3
        DMA Receive Operation request. Has the following:

          Bit 3

            Bit 2 Description
          0
            0 Disable DMA Receive Capability
          0
            1 Enable DMA Receive Capability (Default)
          1
            0 Dedicate a DMA channel to Receive operation
          1
            1 Reserved
          Bits 4-5
            DMA Transmit operation request. Has the following:

              Bit 5

                Bit 4 Description
              0
                0 Disable DMA Transmit Capability
              0
                1 Enable DMA Transmit Capability (Default)
              1
                0 Dedicate a DMA channel to Transmit operation
              1
                1 Reserved
              Bit 6
                Receive operation in DMA mode
              Bit 7
                Transmit operation in DMA mode

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