Renesas PCA7400 Bedienungsanleitung PDF herunterladen (Seite 72)

MITSUBISHI MICROCOMPUTERS

M37271MF-XXXSP

M37271EF-XXXSP, M37271EFSP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER

and ON-SCREEN DISPLAY CONTROLLER

Bit 4 of OSD control register

Bit 7 of block control register

Bit 4 of color code 1

OUT1 output signal

OUT2 output signal

Notes 1 : Blank is disabled on the left side of the 1st character and

on the right side of the 40th character of each block.

2 : When using this function, set “00916” to the 40th character.

(12) Automatic Solid Space Function

This function generates automatically the solid space (OUT1 or OUT2

blank output) of the character area in the CC mode.

The solid space is output in the following area :

· the character area except character code “00916 ”

· the character area on the left and right sides of the character area

except character code “00916 ”

This function is turned on and off by bit 4 of the OSD control register

(refer to Figure 52).

Character Character

font part display

area

OFF

Table 18. Setting for automatic solid space

Character

font part

OFF Character

display

area

Solid

space

OFF

Character

font part

Solid

space

Fig. 79. Display screen example of automatic solid space

009 005 009 009 009 006 006

16 16 16 16 16 16 16

006 009

16 16

• • •

009

When setting the character code “005

” as the character A, “006

” as the character B.

(Display memory)

Character to be displayed

(Display screen)

1st

character

2nd

character

(Note 1)

No blank output

39th

character

40th

character

(Note 2)(Note 1)

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 97 98

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