Datasheet > ENN7545

ENN7545

更新时间： 2024-11-15 03:34:31

品牌	Logo	应用领域
三洋 - SANYO		显示控制器
页数	文件大小	规格书
52页	294K
描述
On-Screen Display Controller

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中文翻译

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数据手册

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ENN7545 数据手册

Ordering number : ENN7545

CMOS IC

LC74735NW

On-Screen Display Controller

12 dots (horizontal) × 16 dots (vertical): Graphic

glyph display (1 pixel: 2 × 2 dots)

— Character display clock:

Overview

The LC74735NW is an on-screen display CMOS IC that

displays characters and patterns on a TV screen.

For QVGA display, the LC74735NW supports the use of

both a 12 × 18 dot character font and a 12 × 18 dot

graphics font with 16 colors with a total of 512 characters

and glyphs.

For WVGA display, the LC74735NW supports the use of

both a 24 × 32 dot character font and a 12 × 16 dot

graphics font with 16 colors with a total of 512 characters

and glyphs.

About 9 MHz — QVGA with an LC oscillator

33.2 MHz (maximum: 40 MHz) WVGA with an

external clock signal input

*: The ROM image is known when QVGA or WVGA

mode is specified.

• Number of characters: 512 (internal)

Up to 2048 characters when an external 16-bit 4M ROM

is used.

• Character sizes: Four horizontal sizes (1×, 2×, 3×, and

4×)

The LC74735NW can also implement extremely varied

displays by the use of an external ROM.

The LC74735NW supports both QVGA (480 × 234) and

WVGA (800 × 480).

Four vertical sizes (1×, 2×, 3×, and 4×)

(The character size is specified in line

units.)

• Display start positions: 512 positions in the horizontal

direction and 256 positions in the vertical direction.

QVGA mode WVGA mode

Features

• Screen structure

— Main:

QVGA mode: 40 characters × 13 lines (up to 520

characters) on a QVGA panel

WVGA mode: 33 characters × 15 lines (up to 495

characters) on a WVGA panel

— Wallpaper display screen: Permanent repetition of a

2 × 2 (horizontal × vertical) character pattern

• Character structure

Setting units: Horizontal: 1 dot

2 dots (In

screen units)

2 dots (In

Vertical: 1 dot

screen units)

• Display functions

— Blinking specification (in character units)

Period: 1/64, 1/32, and 1/16 of the vertical sync

signal (in screen units)

Duty: Fixed at 50%

— Box (raised or recessed) display

— QVGA mode:

12 dots (horizontal) × 18 dots (vertical): Character

display

12 dots (horizontal) × 18 dots (vertical): Graphic

glyph display

Raised/recessed specification (in character units)

Left: Off/on specification (in character units)

Right: Off/on specification (in character units)

Top: Off/on specification (in character units)

Bottom: Off/on specification (in character units)

— WVGA mode:

24 dots (horizontal) × 32 dots (vertical): Character

display

Any and all SANYO products described or contained herein do not have specifications that can handle

applications that require extremely high levels of reliability, such as life-support systems, aircraft’s

control systems, or other applications whose failure can be reasonably expected to result in serious

physical and/or material damage. Consult with your SANYO representative nearest you before using

any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other

parameters) listed in products specifications of any and all SANYO products described or contained

herein.

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

O1003TN (OT) No. 7545-1/52

12 3 4 5 6 7...52

中文翻译

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