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SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37272M6/M8–XXXSP/FP, M37272MA–XXXSP
M37272E8SP/FP, M37272EFSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.3
(4) Border
The border is output around of character font (all bordered) in the
OSD mode. The border ON/OFF is controlled by bit 0 and 1 of the
block control register i (refer to Figure 8.11.4).
The OUT1 signal is used for border output.
The horizontal size (x) of border is 1T
C (OSD clock cycle divided in
pre-divide circuit) regardless of the character font dot size. The verti-
cal size (y) different depending on the screen scan mode and the
vertical dot size of character font.
Notes 1 : The border dot area is the shaded area as shown in Figure 8.11.20.
2 : When the border dot overlaps on the next character font, the charac-
ter font has priority (refer to Figure 8.11.22 A).
When the border dot overlaps on the next character back ground, the
border has priority (refer to Figure 8.11.22 B).
3 : The border in vertical out of character area is not displayed (refer to
Figure 8.11.22).
Fig. 8.11.20 Example of Border Display
Fig. 8.11.21 Horizontal and Vertical Size of Border
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