Datasheet

ADV7188
Rev. A | Page 96 of 112
Bit
1
Address Register Bit Description 7 6 5 43210Comments Notes
0 0 VBI ends one line earlier (Line 335)
0 1 ITU-R BT.470 compliant (Line 336)
1 0 VBI ends one line later (Line 337)
Controls position of first active
(comb filtered) line after VBI on
even field in PAL
PVBIELCM [1:0]. PAL VBI even field
luma comb mode.
1 1 VBI ends two lines later (Line 338)
0 0 VBI ends one line earlier (Line 22)
0 1 ITU-R BT.470 compliant (Line 23)
1 0 VBI ends one line later (Line 24)
Controls position of first active
(comb filtered) line after VBI on
odd field in PAL
PVBIOLCM [1:0]. PAL VBI odd field
luma comb mode.
1 1 VBI ends two lines later (Line 25)
0 0 VBI ends one line earlier (Line 282)
0 1 ITU-R BT.470 compliant (Line 283)
1 0 VBI ends one line later (Line 284)
Controls position of first active
(comb filtered) line after VBI on
even field in NTSC
NVBIELCM [1:0]. NTSC VBI even field
luma comb mode.
11 VBI ends two lines later (Line 285)
0 0 VBI ends one line earlier (Line 20)
0 1 ITU-R BT.470 compliant (Line 21)
1 0 VBI ends one line later (Line 22)
Controls position of first active
(comb filtered) line after VBI on
odd field in NTSC
0xEB V Blank Control 1
NVBIOLCM [1:0]. NTSC VBI odd field
luma comb mode.
11 VBI ends two lines later (Line 23)
0xEC V Blank Control 2 PVBIECCM [1:0]. PAL VBI even field
chroma comb mode.
0 0 Color output beginning Line 335
0 1 ITU-R BT.470 compliant color
output beginning Line 336
Controls the position of first line
that outputs color after VBI on
even field in PAL
1 0 Color output beginning Line 337
1 1 Color output beginning Line 338
0 0 Color output beginning Line 22
0 1 ITU-R BT.470-compliant color
output beginning Line 23
Controls the position of first line
that outputs color after VBI on
odd field in PAL
1 0 Color output beginning Line 24
PVBIOCCM [1:0]. PAL VBI odd field
chroma comb mode.
1 1 Color output beginning Line 25
0 0 Color output beginning Line 282
0 1 ITU-R BT.470-compliant color
output beginning Line 283
Controls the position of first line
that outputs color after VBI on
even field in NTSC
1 0 VBI ends one line later (Line 284)
NVBIECCM [1:0]. NTSC VBI even field
chroma comb mode.
1 1 Color output beginning Line 285
00 Color output beginning Line 20
0 1 ITU-R BT.470-compliant color
output beginning Line 21
Controls the position of first line
that outputs color after VBI on
odd field in NTSC
10 Color output beginning Line 22
NVBIOCCM [1:0]. NTSC VBI odd field
chroma comb mode.
11 Color output beginning Line 23
Reserved. x x x x
FB_STATUS [3:0]. These bits provide
information about the status of the FB pin
(see individual entries for each bit).
FB_STATUS [0]. x FB_RISE, 1 = rising edge on the
FB pin since the last I
2
C read
Self-clearing bit
FB_STATUS [1]. x FB_FALL, 1 = falling edge on the
FB pin since the last I
2
C read
Self-clearing bit
FB_STATUS [2]. x FB_STAT provides instantaneous
value of FB signal at time of the
I
2
C read
0xED FB_STATUS
(Read Only)
FB_STATUS [3]. x FB_HIGH indicates that the FB
signal has gone high since the last
I
2
C read
Self-clearing bit
0 0 Static switch mode—full RGB or
full CVBS data
0 1 Fixed alpha blending
(see MAN_ALPHA_VAL [6:0])
1 0 Dynamic switching (fast mux)
FB_MODE [1:0]. These bits select the FB mode.
1 1 Dynamic switching with edge
enhancement
0 CVBS source CVBS_RGB_SEL. This bit selects either CVBS or
RGB to be output.
1 RGB source
0 FB pin active high FB_INV.
1 FB pin active low
FB_CONTROL 1
(Write Only)
Reserved.
0 0 0 1