Field ID (0x0048) Register - 2.5 English

Video Frame Buffer Read and Video Frame Buffer Write LogiCORE IP Product Guide (PG278)

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Field ID is used to identify if the field being read/written is even or odd. This register is only available with interlaced video. The register is R/W for the Frame Buffer Read and Read only for the Frame Buffer Write.

Perform the following to access the 64-bit DDR memory location:

  1. Change the IP address width to 64-bit in the IP GUI.
  2. In Vivado address editor, unmap the HP0_DDR_LOW base name, which has a 0x0000_0000 offset address with a 2G band.
  3. Auto-assign addresses to map DDR_LOW and DDR_HIGH address spaces for 64-bit mode.
  4. Vivado will get DDR_HIGH offset address as 0x0000_0008_0000_0000 with 32G band. The IP can use any address as a source/destination buffer address.