VXIS VX1828B, Datasheet, Page: 45 / 64

VX1828B
Preliminary Datasheet Video Processor for Middle Size LCD Panel
P.45/P.64
V1.0 050420
6.2.11 OSD REGISTERS
Bit Map Addr.
(Hex)
Name
Def.
(Hex)
7 6 5 4 3 2 1 0
50 OSD0 00 OSD_ADDR
51 OSD1 00 OSD_DATA
OSD_ADDR OSD command memory address
OSD_DATA OSD command memory data
Bit Map Addr.
(Hex)
Name
Def.
(Hex)
7 6 5 4 3 2 1 0
52 OSD2 E0 OSD_ALPHA - OSDT_EN OSDC_EN OSDB_EN
OSD_ALPHA OSD alpha-blending. See following equation.
16
) OSD_ALPHA 16 Color OSD OSD_ALPHA Color Video
Color Displaying OSD
− × + ×
=
(
OSDT_EN OSD title block display enable
OSDC_EN OSD content block display enable
OSDB_EN OSD bar block display enable
Bit Map Addr.
(Hex)
Name
Def.
(Hex)
7 6 5 4 3 2 1 0
53 OSD3 08 - - OSD_BLINK
OSD_BLANK OSD blinking rate
Hz
4 OSD_BLINK
30
Rate Blinking OSD
×
=
Bit Map Addr.
(Hex)
Name
Def.
(Hex)
7 6 5 4 3 2 1 0
54 OSD4 04 - - OSDT_SIZEX
55 OSD5 00 - - OSDT_HLSTART
56 OSD6 00 - - OSDT_HLSTOP
57 OSD7 00 - - OSDT_BLSTART
58 OSD8 00 - - OSDT_BLSTOP
59 OSD9 28 OSDT_POSX
5A OSD10 10 OSDT_POSY
OSDT_SIZEX OSD title block horizontal length in character. Valid settings are
01h – 26h for small fonts; 01h – 13h for large fonts.