ADE3000SXT STMicroelectronics, ADE3000SXT Datasheet - Page 5

• Manufacturer Part Number: ADE3000SXT
• Description: LCD Display Engines with Integrated DVI/ ADC and YUV Ports
• Manufacturer: STMicroelectronics

ADE3XXX
1
Power Up / Initialize When power is first applied, the ADE3XXX is asynchronously reset from a pin.
Activity Detect
YUV Port
Analog Port
Feature
DVI Port
General Description
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.
CTRL
DATA
The MCU typically programs the ADE3XXX with a number of default values and
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,
output pin configuration (OMUX), etc. can be preloaded into the ADE3XXX. The
typical end state is that the ADE3XXX is initialized into a low power mode, ready
to turn active once the power button is pressed.
video sources. Based on the activity monitors, the MCU chooses an input or
power down state.
When the monitor has been powered on, the inputs can be monitored for active
SMEAS
LLKPLL
DMEAS
INCLK
Description of ADE3XXX Operation
Table 1: ADE3xxx Features (Sheet 1 of 2)
Figure 1: ADE3XXX Block Diagram
Vertical Keystone
Scaler with
F. Synth
SCLK
SCLK
P. Gen
DOTCLK
Management
Color
F. Synth
FM
OSD
GLBL
SMEAS
DVI
LLK
ADC
YUV
OSD
SCALER
GAMMA
SRGB
OUTSEQ
TCON
APC
OMUX
SMEAS
Blocks Used
Gamma
LUT
13
32
22
19
18
29
66
49
74
64
52
55
74
75
32
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