
HMS81C43xx / GMS87C4060
59
November 2001 ver 1.2
L1VPOS
It shows OSD line 1’s vertical position in 9bit format
(LIV8 + L1VPOS, 000 ~ 1FF
H
).
Figure 17-8 OSD Registers - 5
Figure 17-9 OSD Register - 6
L2ATTR
It controls OSD line 2’s attributes. Its function is the same
as L1ATTR.
L2VPOS
It shows OSD line 2’s vertical position. Its function is the
same as L1VPOS.
COLMOD
It controls OSD output mode-RGB direct half intencity.
Figure 17-10 OSD Register - 7
bit 0: C16EN
It enables RGB port half intencity output. When this bit is
set, RGB port generates half intencity output. Half intenci-
ty output is 3.5V voltage level output of RGB port. When
you use this bit, you must fill all the other bit with ‘0’.
Note:
When you do not use RGB direct half intncsity out-
put , please initialize this register as 00h.
MESHCON
It controls OSD mesh mode color.
Figure 17-11 OSD Register - 8
Note:
Please initialize this register as 00h. Though this
register is for mesh mode color, it is not used currently.
VRAM
VRAM contains 1 OSD line, 24 character’s attributes.
Each character’s attribute is constructed with 3 bytes, it
contains color data for background, shadow, outline, char-
acter and character number ( 000
H
~ 1FF
H
, 512 characters
OSD line 2’s
vertical position Register
W
L2VPOS
ADDRESS : 0AF4
RESET VALUE : Undefined
W
W
W
OSD line 2’s
attribute Register
L2ATTR
ADDRESS : 0AF3
RESET VALUE : Undefined
W
W
W
Vertical position
L2VPOS’s bit8
Foreground shadow
out line color
0: Edge 1’s color
1: Edge 2’s color
Shodow control
0: Disable
1: Enable
ENOL ENSH
2
CSZ
21
CSZ
20
FSC2
L2V8
WDSL
2
Character size
00: Normal
01: 2 times
10: 3 times
11: Reserved
L2V7
L2V6
L2V5
L2V4
L2V3
L2V2
L2V1
L2V0
OSD line 2’s vertical position (include L2V8 : 000 ~ 1FF
H
)
OBGH
2
2
Out line control
0: Disable
1: Enable
Shadow / Outline
width
0: 1dot
1: Propotional
to character
size
Character
background
height
0: 16dots
1: 18dots
W
W
W
W
W
W
W
W
W
OSD line 2’s
vertical position Register
W
L2VPOS
ADDRESS : 0AF4
RESET VALUE : Undefined
W
W
W
OSD line 2’s
attribute Register
L2ATTR
ADDRESS : 0AF3
RESET VALUE : Undefined
W
W
W
Vertical position
L2VPOS’s bit8
Foreground shadow
out line color
0: Edge 1’s color
1: Edge 2’s color
Shodow control
0: Disable
1: Enable
ENOL ENSH
2
CSZ
21
CSZ
20
FSC2
L2V8
WDSL
2
Character size
00: Normal
01: 2 times
10: 3 times
11: Reserved
L2V7
L2V6
L2V5
L2V4
L2V3
L2V2
L2V1
L2V0
OSD line 2’s vertical position (include L2V8 : 000 ~ 1FF
H
)
OBGH
2
2
Out line control
0: Disable
1: Enable
Shadow / Outline
width
0: 1dot
1: Propotional
to character
size
Character
background
height
0: 16dots
1: 18dots
W
W
W
W
W
W
W
W
W
Color Output Mode
Register
COLMOD
ADDRESS : 0AEF
RESET VALUE : Undifined
RGB Half intensity enable
1: Enable
0: Enable
C16EN
W
(see Note)
Fill with ‘0’
Mesh Mode Color
Register
MESHCON
ADDRESS : 0AEB
RESET VALUE : See Note