M306V2EEFS datasheet(177/271 Pages) RENESAS

177 / 271 page

Rev.1.40

Oct 06, 2004 page 177 of 269

M306V2ME-XXXFP, M306V2EEFP

2.16 OSD Functions

Table 2.16.1 outlines the OSD functions of this microcomputer. This OSD function can display the follow-

ing: the block display (32 characters ✕ 16 lines or 42 characters ✕ 16 lines) and the SPRITE display, and

can display the both display at the same time. 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 display are

described below.

Note: When using OSD function, select “No-division mode” as BCLK operating mode and set the main

clock frequency to f(XIN) = 10 MHz.

Table 2.16.1 Features of each display style

CC mode

(Closed caption mode)

OSD mode

(On-screen display mode)

OSDS mode

Display style

Parameter

Number of display characters

32 characters ✕ 16 lines/42 characters ✕ 16 lines

16 ✕ 20 dots

(Character display area:

16 ✕ 26 dots)

4 kinds

✕ 1, ✕ 2

1TC ✕ 1/2H,

1TC ✕ 1H

Smooth italic,

under line, flash

1 screen: 8 kinds

(a character unit)

Max. 512 kinds

Possible

(a character unit, 1 screen: 4

kinds, Max. 512 kinds)

Layer 1

Analog R, G, B output (each 8 adjustment levels: 512 colors), Digital OUT1, OUT2 output

Dot structure

Kinds of

character

ROM

OSDL

enable mode

OSDL

disable mode

254 kinds

508 kinds

254 kinds

Kinds of character sizes

(See note 1) Pre-divide

ratio (Note)

Dot size

Attribute

Character font

coloring

Character

background

coloring

Display layer

OSD output (See note 2)

Possible (a screen unit, max 512 kinds)

Raster coloring

Auto solid space function

Other function

(See note 3)

Triple layer OSD function, window function, blank function

Possible

Display expansion

(multiline display)

14 kinds

1TC ✕ 1/2H,

1TC ✕ 1H,

1.5TC ✕ 1/2H,

1.5TC ✕ 1H,

2TC ✕ 2H,

3TC ✕ 3H

Border

Possible

(a character unit,1 screen: 16 kinds,

Max. 512 kinds)

1 screen: 16 kinds

(a character unit)

Max. 512 kinds

Notes 1: The character size is specified with dot size and pre-divide ratio (refer to “2.16.3 Dot Size”).

2: As for SPRITE display, OUT2 is not output.

3: As for SPRITE display, the window function does not operate.

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

Block display

OSDL mode

CDOSD mode

(Color dot on-screen

display mode)

SPRITE display

✕ 1, ✕ 2, ✕ 3

Layers 1, 2

24 ✕ 32 dots

254 kinds

12 kinds

Layer 3 (with highest priority)

16 ✕ 26 dots

126 kinds

14 kinds

1TC ✕ 1/2H,

1TC ✕ 1H,

1.5TC ✕ 1/2H,

1.5TC ✕ 1H,

2TC ✕ 2H,

3TC ✕ 3H

1 screen: 16 kinds (a dot unit)

(only specified dots are colored

by a character unit)

Max. 512 kinds

1 screen: 16 kinds

(a dot unit)

Max. 512 kinds

32 ✕ 20 dots

2 kinds of RAM font

8 kinds

1TC ✕ 1/2H,

1TC ✕ 1H,

2TC ✕ 2H,

3TC ✕ 3H

1 character ✕ 2 lines

✕ 1, ✕ 2

OSDP mode

16 ✕ 20 dots

12 ✕ 20 dots

8 ✕ 20 dots

4 ✕ 20 dots

1TC ✕ 1/2H,

1TC ✕ 1H,

2TC ✕ 2H,

3TC ✕ 3H

Layer 1Layers 1, 2

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