ST92185B STMicroelectronics, ST92185B Datasheet - Page 90

• Manufacturer Part Number: ST92185B
• Description: 16k/24k/32k Rom Hcmos Mcu With On-screen-display
• Manufacturer: STMicroelectronics

ST92185B - ON SCREEN DISPLAY (OSD)
ON SCREEN DISPLAY (Cont’d)
Figure 49. Display Block Diagram
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Scroll N Row
Scroll 1 Row
Char Decoding
Gen PLA Cmd
Comp 10/20
MOSAIC
Character Code
PLA
L1/L1+
Shift Register (10b)
Line Counter
Row Counter
mux
SCROLLING
CONTROL
RAM INTERFACE
Attributes Decoding
Gen ROM Add
Comp VPOS
mux
ROM
Def. Backg
Cur. Backg
Full Screen
Def. Foreg
Cur. Foreg
Parallel Attributes
L1/L1+
RAM INTERFACE
Gen RAM Add
CONTROL
CURSOR
Comp HPOS
CONTROL
PIXEL
Serial/Parallel Attributes
Fast Blanking
Pixel Control
Pixel Counter
Char Counter
G
R
B
TRB
TSLU
Comp 10/20
ST9 Access
On Hsync
On Ckpix
FB
Row Cursor
Char Cursor
Mode Ctrl
RAM @
HPOS
VPOS
VR02112E