M37274EFSP datasheet(95/148 Pages) RENESAS

95 / 148 page

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

and ON-SCREEN DISPLAY CONTROLLER

M37274EFSP

PRELIMINARY

Notice:

This

is not

a final

specification.

Some

paramentic

limits

are

subject

to change.

MITSUBISHI MICROCOMPUTERS

Bit 4 of OSD control register

Bit 7 of block control register

Bit 4 of color code 1

OUT1 output signal

OUT2 output signal

Note : When using this function, set “0916” to the character below :

· The 1st character

· The 34th character and the following 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 “0916 ”

· the character area on the left and right sides

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

(refer to Figure 64).

Character

font part

display

area

OFF

Table 17. Setting for Automatic Solid Space

Character

font part

OFF

Character

display

area

Solid

space

OFF

Character

font part

Solid

space

Fig. 94. Display Screen Example of Automatic Solid Space

When setting the character code “05 16” as the character A, “06 16” as the character B.

(OSD RAM)

Character to be displayed

(Display screen)

2nd

character

3rd

character

(See note 1)

No blank output

34th

character

35th

character

40th

character

(See note 1)

1st

character

09 05 09 09 09 06 06

06 09

• • •

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