M37281EKSP Datasheet, PDF (67/172 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

M37281MAH–XXXSP,M37281MFH–XXXSP,M37281MKH–XXXSP, M37281EKSP
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 8.11.1 shows the configuration of OSD character display area.
Figure 8.11.2 shows the block diagram of the OSD circuit. Figure
8.11.3 shows the OSD control register 1. Figure 8.11.4 shows the
block control register i.
OSD mode
16 dots
CC mode
16 dots
←Blank area^✽
✽: Displayed only in CC mode.
←Underline area^✽
←Blank area^✽
CDOSD mode
16
Fig. 8.11.1 Configuration of OSD Character Display Area
Rev.1.01 2003.07.16 page 67 of 170