GMS84512 Datasheet, PDF (69/123 Pages) Hynix Semiconductor – 8-BIT SINGLE CHIP MICROCOMPUTER

GMS 84512 / 84524
3.8.5 OSD DISPLAY MODE REGISTER ( DMSS1, DMSS2, DMSS3 )
OSD Display mode register is register to control Display Character Size, Display Mode,
Smoothing function.
OSD display mode register is every display line, so OSD display mode is determined by
line.
OSD MODE REGISTER
DMSS1
<00F6_H>
DMSS2
<00F7_H>
DMSS3
<00F8_H>
¦¡
W
W
W
W
W
W
W
7
6
5
4
3
2
1
0
¦¡ 1SM ^{1MOD 1MOD} 1HS1 1HS0 1VS1 1VS0
1
0
Smoothing Function definition
0 : Smoothing Off
1 : Smoothing On
Display Mode Definition
00 : Blanking Mode
01 : Character Mode
10 : Color Edge Mode
11 : Background Mode
Initial Value (At Reset)
[ -000 0000 ]
Character size definition
VS 00 01 10 11
00 1×1 2×1 3×1 4×1
01 1×2 2×2 3×2 4×2
10 1×3 2×3 3×3 4×3
11 1×4 2×4 3×4 4×4
l Character Size Definition (every line unit)
Each character basic configuration is a 14¡¿ 18 dots. The dot size of vertical direction is
determined by VS1, VS0(bit1, 0 of DMSS) and the dot size of Horizontal direction is determined by
HS1, HS0(bit3, 2 of DMSS). So, the size of display character is to be changable.
TABLE 3.8.3 Character Size Definition
HS1, HS0
VS1, VS0
00
01
10
11
00
1¡¿1
1¡¿2
1¡¿3
1¡¿4
01
2¡¿1
2¡¿2
2¡¿3
2¡¿4
10
3¡¿1
3¡¿2
3¡¿3
3¡¿4
11
4¡¿1
4¡¿2
4¡¿3
4¡¿4
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