ADVANCE INFORMATION
VCT 38xxA
026A H
Bit
Write
WST LAYER VERTICAL STOP
Function
Reset
all
01 H
28 H
9-bit value defining vertical position (in scanline)
1st write:
2nd write:
bit 0 = MSB
bit 7 to 0 = 8 LSBs
026B H
Bit
Write
WST LAYER LAST ROW
Reset
Function
all
01 H
1E H
9-bit value defining last scanline of the last row to display level 1 double height
after this scanline the level 1 double height attribute will not be decoded anymore
1st write:
2nd write:
bit 0 = MSB
bit 7 to 0 = 8 LSBs
026C H
Write
Reset
0
RGB MODE
Bit
5
Function
1 = WST layer mixed mode
0 = WST layer normal mode
4 to 3
0
11 = WST layer top
10 = WST layer opaque bottom
01 = WST layer transparent bottom
00 = WST layer disable
2
0
0
1 = OSD layer mixed mode
0 = OSD layer normal mode
1 to 0
11 = OSD layer top
10 = OSD layer opaque bottom
01 = OSD layer transparent bottom
00 = OSD layer disable
026D H
Write
Reset
0
SYNC MODE
Bit
5
Function
1 = double scan enable
0 = double scan disable
4
0
1 = blanking disable
0 = blanking enable
026F H
Write
Reset
1
DISPLAY MODE 3
Bit
7
Function
1 = 10 pixel/character
0 = 8 pixel/character
6
0
1 = double dot size in vertical direction(OSD layer only)
0 = normal dot size in vertical direction
5
0
1 = double dot size in horizontal direction(OSD layer only)
0 = normal dot size in horizontal direction
4
0
1 = black colors replaced by transparent & shadow(OSD layer only)
0 = black colors displayed black
3 to 0
F H
4-bit value defining delay of horizontal start for both layers (in pixel)
delay = mod (character_width − 2 − value)(leftmost position should not be used!)
16
Micronas
79
MICRONAS [ MICRONAS ]
