MITSUBISHI MICROCOMPUTERS
M37270MF-XXXSP
M37270EF-XXXSP, M37270EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
The OSD circuit has an extended display mode. This mode allows
multiple lines (16 lines or more) to be displayed on the screen by
interrupting the display each time one line is displayed and rewriting
data in the block for which display is terminated by software.
Figure 47 shows the configuration of OSD character. Figure 48 shows
the block diagram of the OSD control circuit. Figure 49 shows the
structure of the OSD control register. Figure 50 shows the structure
of the block control register.
CC mode
OSD mode
16 dots
16 dots
Blank area
*
Å©Underline area
*
Å©Blank area
*
:
Displayed only in CCD mode.
*
EXOSD mode
16 dots
16 dots
16 dots
logical
sum
(OR)
Character font
Extra font
Fig. 47. Configuration of OSD character
45
RENESAS [ RENESAS TECHNOLOGY CORP ]
