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Video Display Registers Recommended Values
Video Display Port4-94 SPRU629
4.13 Video Display Registers Recommended Values
Sample recommended values (decimal) for video display registers for BT.656
output are given in Table 4–34.
Table 4–34. Video Display Register Recommended Values
Register Field 525/60 Value 625/50 Value
VDFRMSZ
FRMWIDTH 858 864
FRMHEIGHT 525 625
VDHBLNK
HBLNKSTART 720 720
HBLNKSTOP 856 862
VDVBLKS1
VBLNKXSTART1 720
†
720
†
VBLNKYSTART1 1
†
624
†
VDVBLKE1
VBLNKXSTOP1 720
†
720
†
VBLNKYSTOP1 20
†
23
†
VDVBLKS2
VBLNKXSTART2 360
†
360
†
VBLNKYSTART2 263
†
311
†
VDVBLKE2
VBLNKXSTOP2 360
†
360
†
VBLNKYSTOP2 283
†
336
†
VDFLDT1
FLD1XSTART 720
†
720
†
FLD1YSTART 1
†
1
†
VDFLDT2
FLD2XSTART 360
†
360
†
FLD2YSTART 263
†
313
†
VDHSYNC
HSYNCSTART 736 732
HSYNCSTOP 800 782
VDVSYNS1
VSYNCXSTART1 720
†
720
†
VSYNCYSTART1 4
†
1
†
VDVSYNE1
VSYNCXSTOP1 720
†
360
†
VSYNCYSTOP1 7
†
3
†
†
Programming only required if external control signal is used.