Video Control Register (0x14) - 2.0 English

UHD SDI Audio LogiCORE IP Product Guide (PG309)
Document ID
PG309
Release Date
2021-12-01
Version
2.0 English
Table 1. Video Control Register - UHD-SDI Audio (Embed)
Bit Field Name Access Type Default Value Description
31:17 reserved N/A 0 Reserved
16 ext_line_en R/W 0 This bit selects the source of video line number
  • 0 - Use line numbers decoded from video stream
  • 1 - Use line numbers decoded from ancillary control bus “sdi_embed_anc_ctrl_in”
15:9 reserved N/A 0 Reserved
8 t_scan R/W 0 Transport Scan
  • 0 – Interlaced or PSF
  • 1 – Progressive
Note: Dual Link 3G-B is the special case where 1080p60 image is split in to 2 x 1080i60 images. In this case transport scan should be mentioned as Interlaced.
7:4 t_rate R/W 0 Transport Rate
  • 2 - 23.98 Hz
  • 3 - 24 Hz
  • 4 - 47.95 Hz
  • 5 - 25 Hz
  • 6 - 29.97 Hz
  • 7 - 30 Hz
  • 8 - 48 Hz
  • 9 - 50 Hz
  • 10 - 59.94 Hz
  • 11 - 60 Hz

For example, 24 Hz should be configured for 1080p24, 1080pSF24 and 1080i48 resolutions.
3:0 t_family R/W 0 Transport Family
  • 0 - 1920 x 1080
  • 1 - 1280 x 720
  • 2 - 2048 x 1080
  • 8 - 720 x 486 (NTSC)
  • 9 - 720 x 576 (PAL)
Note: 1920x1080 and 2048x1080 are the resolutions of sub images for 3840x2160 and 4096x2160 resolutions.