ST92185B STMicroelectronics, ST92185B Datasheet - Page 98
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ST92185B
Manufacturer Part Number
ST92185B
Description
16k/24k/32k Rom Hcmos Mcu With On-screen-display
Manufacturer
STMicroelectronics
Datasheet
1.ST92185B.pdf
(178 pages)
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ST92185B - ON SCREEN DISPLAY (OSD)
ON SCREEN DISPLAY (Cont’d)
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.
Figure 57. Example of a Row in Serial Mode
98/178
global
Memory location
Display
A
A
Default foreground
A
A
Default background
Fh
can be half intensity
Sc
Bb
Length of row = 40 Characters
Z
Z
Flashing attribute
Foreground color attribute
Black background attribute
A R D O Z
A R D O Z
FLASHING
Characters
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
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:
9).
Propagation
Sty
A A
Steady attribute
A A
A
A
VR02115A
(Fig-