Vertical Vertical
scroll aspect
Mode
N0
Description
normal mode
Characteristics
Notes
BSE GBE WHITD JMP
RGB ref. pulse position = line 20... 22 (odd field) mode after power on
end of V-blanking = line 22 (odd field)
0
0
0
1
0
1
0
0
0
0
(for 16:9 or 4:3 source)
guard band = 1.5 lines
with default settings
normal mode
RGB reference pulse position
RGB ref. pulse position = line (RPP + 16)
...(RPP + 18) (odd field)
(for 16:9 or 4:3 source)
with user defined settings
adjustable,
N1
Z
0
0
guard band adjustable
end of V-blanking = line (RPP + 18) (odd field)
guard band = Guard band/2 [lines]
zoom mode
RGB ref. pulse position = line 20... 22 (odd field) Vertical aspect controls
(for 4:3 source, Letterbox) end of V-blanking = line 22 (odd field)
zoom factor ca. Vertical aspect/2 [%]
zoom factor,
0
variable
0
>0
>0
-68
0
0
0
0
0
0
0
0
0
0
0
0
clipping of VD+, VD-, E/W
when NCLP = 0
guard band = 1.5 lines
scroll mode
RGB ref. pulse position = line 20... 22 (odd field) as above,
(for 4:3 source, Letterbox end of V-blanking = line 22 (odd field)
Vertical scroll can be additio-
nally used for adjustment of
vertical position
SC
S2
with subtitles)
zoom factor ca. Vertical aspect/2 [%]
guard band = 1.5 lines
shrink mode 66%
RGB ref. pulse position = line 20... 22 (odd field) Vertical aspect = -68
(for two 4:3 sources)
with default settings
end of V-blanking = line 22 (odd field)
guard band =1.5 lines
causes V-reduction to 66%,
JMP = 0 causes V-shrink incl.
flyback
shrink mode 66%
RGB ref. pulse positon adjust.,
JMP = 1 causes V-shrink excl.
flyback,
RGB ref. pulse position = line (RPP + 16)
...(RPP + 18) (odd field)
(for two 4:3 sources)
with user defined settings
end of V-blanking = line (RPP + VBE + 25) (odd)
start of reduced V-ramp = line (RPP + 19) (odd)
guard band = Guard band/2 [lines]
S3
S4
0
0
-68
1
0
1
0
1
0
1
0
WHITD disables RGB white
level ref. pulses
guard band adjustable
shrink mode 50%
RGB ref. pulse position = line 20... 22 (odd field) vertical aspect = -102
(for two 16:9 sources)
with default settings
end of V-blanking = line 22 (odd field)
guard band = 1.5 lines
causes V-reduction to 50%,
JMP = 0 causes V-shrink incl.
flyback
-102
MICRONAS [ MICRONAS ]
