M37274EFSP datasheet(65/148 Pages) RENESAS

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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

OSD Mode

(On-screen display mode)

16 ! 20 dots

14 kinds

! 1, ! 2, ! 3

1TC ! 1/2H, 1TC ! 1H, 1.5TC ! 1/2H,

1.5TC ! 1H, 2TC ! 2H, 3TC ! 3H

Border

1 screen : 7 kinds, Max. 7 kinds (a

character unit)

Possible (a screen unit, 1 screen :

7 kinds, max. 7 kinds)

Possible (a character unit, 1 screen

: 7 kinds, max. 7 kinds)

Possible (a screen unit, 1 screen :

7 kinds, max. 7 kinds)

R, G, B, OUT1, OUT2

Dual layer OSD function (layer 2)

Possible

OSD FUNCTIONS

Table 10 outlines the OSD functions of the M37274EFSP.

The M37274EFSP incorporates an OSD circuit of 40 characters !

16 lines. OSD is controlled by the OSD control register. There are 3

display modes and they are selected by a block unit. The display

modes are selected by block control register i (i = 1 to 16).

The features of each mode are described below.

EXOSD Mode

(Extra on-screen display mode)

16 ! 26 dots

6 kinds

! 1, ! 2, ! 3

1TC ! 1/2H, 1TC ! 1H

Border, extra font (16 kinds)

1 screen : 5 kinds, Max. 5 kinds

(a character unit)

Possible (a screen unit, 1 screen :

7 kinds, max. 7 kinds)

Possible (a character unit, 1 screen :

7 kinds, max. 5 kinds)

Possible (a screen unit, 1 screen :

7 kinds, max. 7 kinds)

Possible (a screen unit, 1 screen :

7 kinds, max. 7 kinds)

R, G, B, OUT1, OUT2

Possible

CC Mode

(Closed caption mode)

16 ! 26 dots

(character dot structure : 20 ! 16 dots)

2 kinds

! 1, ! 2

1TC ! 1/2H

Smooth italic, under line, flash

1 screen : 7 kinds, Max. 7 kinds

(a character unit)

Possible (a screen unit, 1 screen : 7

kinds, max. 7 kinds)

Possible (a character unit, 1 screen

: 7 kinds, max. 7 kinds)

R, G, B, OUT1, OUT2

Auto solid space function

Window function

Dual layer OSD function (layer 1)

Possible

Parameter

Number of display

characters

Character display area

Kinds of characters

Kinds of character sizes

Attribute

Character font coloring

Raster coloring

Character background

coloring

Border coloring

Extra font coloring

OSD output

Function

Display expansion

(multiline display)

Pre-divide

ratio (Note)

Dot size

Table 10. Features of Each Display Mode

Display Mode

256 kinds (In EXOSD mode, they can be combined with 16 kinds of extra fonts)

Notes 1: The divide ratio of the frequency divider (the pre-divide circuit) is referred as “pre-divide ratio” hereafter.

2: The character size is specified with dot size and pre-divide ratio (refer to (3) Dote size).

Note : Note that MASK version has 36 characters ! 12 lines when

programming.

40 characters ! 16 lines

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