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Part Number: NT68520X
Description: The NT68520 is a high-quality image and highly integrated LCD controller, which combines triple video ...
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NT68520X
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DataSheet
General Description
NT68520X General Description
The NT68520 is a high-quality image and highly integrated LCD controller, which combines triple video pre-amplifier, triple ADC, de-interlacing, YUV to RGB color space converter, scaling engine, gamma, OSD, and digital gain/offset, and supports analog RGB input, digital RGB input, and video CCIR656 8-bit input.
The video amplifier supports a full scale range of 0.5 ~ 1Vp-p with 0.8 ~ 2X gain and also provides a DC offset adjustment.
The ADC supports up to 135MHz pixel rate and build in a low jitter PLL to sampling input video that provides a low-noise and more stabile image quality.
The NT68520 also builds in a DSP engine to execute linear zoom-in, zoom-out function of image to fit different panel resolutions.
The OSD provides 64 RAM font and 128 ROM font that is very simply to create customer OSD.
The display interface supports single (24-bit) or dual (48-bit) pixel out format, and supports the 6-bit/color or 8-bit/color LCD panel. The built-in internal PLL locking to the reference clock generates all of the display timing to various LCD panels.
NT68520X Maximum Ratings
|
Symbol |
Parameter |
Min. |
Typ. |
Max. |
Unit |
|
DVDD,ADC_VA A,PLL_VCC |
Supply voltage analog 3.3V , digital 3.3V |
-0.3 |
3.6 |
V | |
|
Vin |
Input Voltage ( 5V Tolerant ) |
-0.3 |
5.5 |
V | |
|
VESD |
Electrostatic Discharge |
±2.5 |
KV | ||
|
TA |
Ambient Operating Temperature |
0 |
70 |
||
|
TST |
Storage Temperature |
-40 |
125 |
NT68520X Features
VGA Front End
· Built-in triple high-speed ADC, PLL, and pre-amplifier for analog RGB input
· Support both non-interlaced and interlaced RGB graphic input signals
· Internal generated programmable clamping pulse
· Gain control for input signal ranging from 0.5V~1.0V
· Support 32 steps of phase adjust
· ADC sampling rate up to 110 MHz for X type and135 MHz for E type
· VGA input resolution up to XGA 1024x768@75 for X type and SXGA
1280x1024@75Hz for E type
YUV Front End
· Support ITU-R BT.656 8-bit Input
· Built-in YUV to RGB color space converter
Video Processor
· Flexible de-interlacing unit for VGA and digital YUV video input data
· Independent Horizontal and Vertical zoom in/out algorithm
· Enhanced interpolation algorithm for optimal image quality
· RGB offset control for brightness adjust
· RGB gain control for contrast adjust
· 8-bit programmable gamma table for panel compensation
· Dithering function supports 24-bit quality for 18-bit panel
· Auto-calibration function for quick video centering, clock adjust, and phase adjust
Sync Processor
· Signal type accepts separate, composite and TTL-Level Sync-On-Green (SOG)
· Polarity detection for HSYNCI and VSYNCI
· Fast mode change detection function
Internal OSD Support
· 128 ROM fonts at the size of 12x18
· 64 programmable RAM fonts
· Internal SRAM allows up to 320 characters, with programmable OSD frame size
· Programmable shadow or border control for each character
· Programmable blinking effect for each character
· Support simultaneous display of up to 4 OSD windows
· Programmable shadow display for each window
· Each OSD row can be independently zoomed up to 4 times for horizontal and
vertical axes
· Support transparent, translucent, and opaque effects
· 16 colors for foreground display and background display selected from internal color
palette
Display Interface
· Display resolution up to 1024x768@75Hz for X type and 1280x768@75Hz for E
type
· Support single pixel mode (18-bit) and dual pixel mode (24-bit)
MCU Interface
· Support serial 2-wire IIC bus
Power
· 3.3V power supply
· Less than 2.5 W
· Built-in triple high-speed ADC, PLL, and pre-amplifier for analog RGB input
· Support both non-interlaced and interlaced RGB graphic input signals
· Internal generated programmable clamping pulse
· Gain control for input signal ranging from 0.5V~1.0V
· Support 32 steps of phase adjust
· ADC sampling rate up to 110 MHz for X type and135 MHz for E type
· VGA input resolution up to XGA 1024x768@75 for X type and SXGA
1280x1024@75Hz for E type
YUV Front End
· Support ITU-R BT.656 8-bit Input
· Built-in YUV to RGB color space converter
Video Processor
· Flexible de-interlacing unit for VGA and digital YUV video input data
· Independent Horizontal and Vertical zoom in/out algorithm
· Enhanced interpolation algorithm for optimal image quality
· RGB offset control for brightness adjust
· RGB gain control for contrast adjust
· 8-bit programmable gamma table for panel compensation
· Dithering function supports 24-bit quality for 18-bit panel
· Auto-calibration function for quick video centering, clock adjust, and phase adjust
Sync Processor
· Signal type accepts separate, composite and TTL-Level Sync-On-Green (SOG)
· Polarity detection for HSYNCI and VSYNCI
· Fast mode change detection function
Internal OSD Support
· 128 ROM fonts at the size of 12x18
· 64 programmable RAM fonts
· Internal SRAM allows up to 320 characters, with programmable OSD frame size
· Programmable shadow or border control for each character
· Programmable blinking effect for each character
· Support simultaneous display of up to 4 OSD windows
· Programmable shadow display for each window
· Each OSD row can be independently zoomed up to 4 times for horizontal and
vertical axes
· Support transparent, translucent, and opaque effects
· 16 colors for foreground display and background display selected from internal color
palette
Display Interface
· Display resolution up to 1024x768@75Hz for X type and 1280x768@75Hz for E
type
· Support single pixel mode (18-bit) and dual pixel mode (24-bit)
MCU Interface
· Support serial 2-wire IIC bus
Power
· 3.3V power supply
· Less than 2.5 W
NT68520X Connection Diagram
NT68275
PDF/DataSheet Download
- Datasheet: NT68275
- File Size: 1422704 KB
- Manufacturer: ETC [ETC]
- Click here to Download
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- Novatek
- NT68520_Novatek.pdf
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