ADE3000SX

更新时间： 2024-01-17 13:34:37

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
88页	511K
描述
LCD Display Engines with Integrated DVI, ADC and YUV Ports

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ADE3000SX 数据手册

ADE3XXX

General Description

Figure 1: ADE3XXX Block Diagram

YUV Port

DMEAS

Analog Port

Scaler with

Vertical Keystone

Color

Management

Gamma

LUT

OSD

SMEAS

DVI Port

SCLK

P. Gen

F. Synth

DATA

CTRL

INCLK

SCLK

DOTCLK

LLKPLL

The ADE3XXX family of devices is capable of implementing all of the advanced features of today’s

LCD monitor products. For maximum flexibility, an external microcontroller (MCU) is used for

controlling the ADE3XXX and other monitor functions.

The ADE3XXX architecture unburdens the MCU from all data-intensive pixel manipulations,

providing an optimal blend of feature and code customization without incurring the cost of a 16-bit

processor or memory. The key interactions between the monitor MCU and the ADE3XXX can be

broken down into the features shown in the table below.

Table 1: ADE3xxx Features (Sheet 1 of 2)

Feature

Description of ADE3XXX Operation

Blocks Used Pages

Power Up / Initialize When power is first applied, the ADE3XXX is asynchronously reset from a pin. GLBL

The MCU typically programs the ADE3XXX with a number of default values and SMEAS

sets up the ADE3XXX to identify activity on any of the input pins. All

preconfigured values and RAMs, such as DVI settings, line-lock PLL settings,

video input modes (YUV), OSD characters, LCD timing values (output

sequencer), scale kernels, gamma curves, sRGB color warp, APC dithering,

DVI

LLK

ADC

YUV

output pin configuration (OMUX), etc. can be preloaded into the ADE3XXX. The OSD

typical end state is that the ADE3XXX is initialized into a low power mode, ready SCALER

to turn active once the power button is pressed.

GAMMA

SRGB

OUTSEQ

TCON

APC

OMUX

Activity Detect

When the monitor has been powered on, the inputs can be monitored for active SMEAS

video sources. Based on the activity monitors, the MCU chooses an input or

power down state.

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