Renesas PCA7429G02 Informacje Techniczne Pobierz pdf (Strona 63)

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

and ON-SCREEN DISPLAY CONTROLLER

M37272M6/M8–XXXSP/FP, M37272MA–XXXSP

M37272E8SP/FP, M37272EFSP

MITSUBISHI MICROCOMPUTERS

Rev. 1.3

8.11 OSD FUNCTIONS

Table 8.11.1 outlines the OSD functions.

This microcomputer incorporates an OSD circuit of 32 characters ✕

2 lines. And also, there are 2 display modes and they are selected by

a block unit. The display modes are selected by bits 0 and 1 of block

control register i (i = 1 and 2).

The features of each mode are described below.

Table 8.11.1 Features of Each Display Mode

Number of display characters 32 characters ✕ 2 lines

Dot structure

16 ✕ 26 dots (Character display area : 16 ✕ 20 dots)

16 ✕ 20 dots

Kinds of characters 254 kinds

Kinds of character sizes 1 kinds 8 kinds

Pre-divide ratio (See note) ✕ 2 (fixed) ✕ 2, ✕ 3

Dot size 1T

✕ 1/2H 1T

✕ 1/2H, 1T

✕ 1H, 2T

✕ 2H, 3T

✕ 3H

Attribute Smooth italic, under line, flash Border (black)

Character font coloring 1 screen : 8 kinds (per character unit)

Character background coloring 1 screen : 8 kinds (per character unit)

OSD output R, G, B

Raster coloring Possible (per character unit)

Function Auto solid space function

Window function

Display position Horizontal: 128 levels, Vertical: 512 levels

Display expansion (multiline display) Possible

Parameter

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 8.11.2 Dot Size).

Display mode

CC mode

(Closed caption mode)

OSD mode (Border OFF)

(On-screen display mode)

1 2 ... 58 59 60 61 62 63 64 65 66 67 68 ... 144 145

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