M37271MF-252SP datasheet(47/97 Pages) MITSUBISHI

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MITSUBISHI MICROCOMPUTERS

M37271MF-XXXSP

M37271EF-XXXSP, M37271EFSP

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

and ON-SCREEN DISPLAY CONTROLLER

OSD mode

(On-screen display mode)

40 characters ! 16 lines

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. 15 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, I1, OUT1, OUT2

Dual layer OSD function (layer 2)

Possible

OSD FUNCTIONS

Table 10 outlines the OSD functions of the M37271MF-XXXSP.

The M37271MF-XXXSP incorporates an OSD control circuit of 40

characters ! 16 lines. OSD is controlled by the OSD control regis-

ter. There are 3 display modes and they are selected by a block unit.

The display modes are selected by the block control register i (i = 1

to 6).

The features of each mode are described below.

EXOSD mode

(Extra on-screen display mode)

40 characters ! 16 lines

16 ! 26 dots

6 kinds

! 1, ! 2, ! 3

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

Border, extra font (32 kinds)

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)

Possible (a screen unit, 1 screen :

7 kinds, max. 7 kinds)

R, G, B, I1, I2, OUT1, OUT2

Possible

CC mode

(Closed caption mode)

40 characters ! 16 lines

16 ! 26 dots

(Character : 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

Dot structure

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

320 kinds (In EXOSD mode, they can be combined with 32 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).

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