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CH7034B-BFI中文資料Chrontel數(shù)據(jù)手冊PDF規(guī)格書

CH7034B-BFI
廠商型號

CH7034B-BFI

功能描述

CH7034B HDTV/VGA/LVDS Encoder

文件大小

215.79 Kbytes

頁面數(shù)量

9

生產廠商 CHRONTEL
企業(yè)簡稱

Chrontel

中文名稱

CHRONTEL官網

原廠標識
數(shù)據(jù)手冊

下載地址一下載地址二到原廠下載

更新時間

2025-5-6 9:48:00

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CH7034B-BFI規(guī)格書詳情

FEATURES GENERAL DESCRIPTIONS

? Supports multiple output display formats – including

Component YPrPb(HDTV), LVDS and analog RGB

(VGA)

? Three 10-bit high speed DACs

? HDTV output support up to 1080p

? Analog RGB (VGA) support up to 1920x1080

resolution

? Single channel LVDS 18-bit transmitter supports

input resolution up to 1366x768

? Support scaled and bypassed video streams output

from VGA/HDTV and LVDS interfaces

simultaneously

? Supports panel protection, power sequencing and

backlight on/off. PWM is available for controlling

LCD brightness

? TV/Monitor connection detect capability. DACs can

be switched off through programming internal

registers

? On-chip SDRAM frame buffer to support frame rate

conversion.

? Programmable adaptive de-flickering filter

? Supports 8/12/16/18/24-bit parallel interface inputs

for either RGB format or YCbCr format (ITU-R 656

or ITU-R 601). 80/86 MPU interface and DE only

mode are also supported.

? Wide range of input resolutions support for up to

1366x768 (i.e. 640x480 720x480, 720x576, 800x600,

1024x600, 1024x768, 1280x800, and etc.)

? Image display rotation support at 90/180/270 degree

or flipped in horizontal/vertical position

? Pixel-level color enhancement for brightness,

contrast, hue and saturation adjustment for HDTV

? Horizontal/vertical position adjusted through serial

port programming

? Pixel clock input frequency support for up to 165

MHz

? Flexible crystal or oscillator clock input frequency

(2.3MHz – 64MHz)

? IO Supply Voltages from 1.2V to 3.3V and SPC/SPD

Supply Voltages from 1.8V to 3.3V.

? Programmable power management

? Device fully programmable through serial port or can

automatically load firmware from Chrontel Boot

ROM (CH9904)

? Offered in a 88-pin QFN package

Chrontel CH7034B is specifically designed for a portable

system that requires connections to LCD display, High

Definition Television (HDTV) or RGB (VGA) monitor.

With its advanced video encoder, flexible scaling engine

and easy-to-configure video interface, the CH7034B

satisfies manufactures’ product display requirements and

reduces their costs of development and time-to-market.

The CH7034B provides analog RGB and YPrPb outputs

that allow a system to display high definition media

content to HDTV/RGB monitors. The device is

compliant with EIA770-3 and SMPTE 274M/293M

/296M standards and supports HDTV resolution up to

1080p. The 3 high-performance, 10-bit DACs can be

used for either HDTV display or VGA output. The

CH7034B has the ability to generate composite syncs if

required by the RGB monitor.

To support portable computer with LCD display, the

CH7034B has incorporated an one-channel, 18-bit output

LVDS transmitter. On-chip dithering function is

available to convert 24-bit color to 18-bit color LCD

panels. Two popular LVDS standards, the OpenLDI and

the VESA SPWG are supported by the CH7034B LVDS

driver. The preferred standard and its display timing can

be configured through devices’ registers when system is

powered on.

The CH7034B is equipped with panel protection

mechanism to switch off the LCD instantly if input data

is missing or unstable. The panel on/off sequences and

backlight control can be configured through

programming internal registers. In addition, a built-in

PWM function can be used to achieve digital dimming

for LCD panel.

The CH7034B converts a wide range of input formats to

HDTV/VGA outputs and LVDS display. RGB data

format such as 16-bit 5:6:5, 18-bit 6:6:6 or 24-bit 8:8:8

enters through the device’s 24-bit bus. In YCrCb format,

either 24-bit 4:4:4 data or 16-bit 4:2:2 is supported by the

CH7034B’s color space converter. The device’s video

capture block also has an option to support 80/86 MPU

interface. The input video signal can be either interlaced

or non-interlaced data formats.

With its embedded high speed SDRAM, the CH7034B

can help manufactures design their products to achieve

simultaneous LVDS and HDTV/VGA display. Thanks to

the sophisticated scaler, the input LCD data with low

resolution or reduced-frame rate can be covert to high

APPLICATION

? Mobile Internet Devices

? Smartbook / Electronic Book

? Tablet Device

? Portable DVD Players

? Docking Station

quality HDTV or VGA display without extra loading on

the processor. Also, by taking the advantage of the

framebuffer, the scaler can perform other image

manipulations including resizing and rotation.

供應商 型號 品牌 批號 封裝 庫存 備注 價格
CHRONTEL
23+
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50000
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26800
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30000
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CHRONTEL
1733+
QFN
6528
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CHRONTEL
25+
QFN88
54658
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CHRONTEL
2016+
QFN88
3500
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23+
QFN88
3000
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CHRONTEL
NA
8560
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CHRONTEL
23+
QFN88
7300
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詢價