ST92195C STMicroelectronics, ST92195C Datasheet - Page 103

• Manufacturer Part Number: ST92195C
• Description: 48-96 Kbyte Rom Hcmos Mcu With On-screen Display And Teletext Data Slicer
• Manufacturer: STMicroelectronics

ST92195C/D - ON SCREEN DISPLAY (OSD)
ON SCREEN DISPLAY (Cont’d)
Figure 56. Half-Tone Display Scheme
7.4.4.2 Row Attributes
The header and status row attributes are set using
the HSCR R244 (F4h) Page 32 register. The row
enable bits as set in registers DE0R .. 2 R253
..255 Page 32.
Header Enable
When the display is in line mode, row 0, called the
header, is also usable. It no longer acts as a head-
er but simply as an additional row.
Status Row Enable
The display of the two status rows can be enabled
individually.
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Internal Red
Internal Green
Internal Blue
VIDEO PROCESSOR
Contrast
Reduction
HT
ST9 MCU
R G
B
RGB
Switch
FB
Row Enable Bits
1 bit per row, for rows from 1 to 23, in page mode.
Serial Attributes
Serial Mode is selected by resetting the SPM bit in
register DCM1R R251 (FBh) Page 32.
Serial attributes are active until the end of the line
or a superseding serial attribute.
In this display mode, the attribute code and the
character code are in the same memory area
ure 57 on page
The attribute takes the place of an alpha charac-
ter, and the OSD displays a space character de-
fined on 1 byte in Serial Mode.
Gout
Bout
Rout
104).
(Fig-