Description

The RTD2547D is an IC Chip that falls under the Electronic Component Model category. This chip features embedded dual DDC support DDC1, DDC2B, DDC/CI, zoom scaling up and down, embedded pattern generator, no external memory required, requires only one crystal to generate all timing, embedded reset control output, embedded crystal output to MICROP, 3 channels 8 bits PWM output, and selectable PWM clock frequency.

Specifications and features

Analog RGB Input Interface

• Integrated 8-bit triple-channel 140MHz ADC/PLL
• Support up to 140MHz ( [email protected] ) at 75Hz
• Embedded programmable Schmitt trigger of HSYNC
• Support Sync On Green (SOG) and de-composite sync modes
• On-chip high-performance PLLs with 32 phase APLL

Digital Input Interface

• Support 8-bit video (ITU 656) format input
• Built-in YUV to RGB color space converter & de-interlace

DVI Compliant Digital Input Interface

• Single link on-chip TMDS receiver
• Operation up to 165Mhz
• Direct connect to DVI compliant TMDS transmitter

Auto Detection /Auto Calibration

• Input format detection
• Compatibility with standard VESA mode and support user-defined mode
• Smart engine for Phase and Image position calibration

Scaling

• Fully programmable zoom ratios
• Independent horizontal/vertical scaling
• Advanced zoom algorithm provides high image quality
• Sharpness/Smooth filter enhancement

Color Processor

• Digital brightness and contrast adjustments
• sRGB compliance
• Gamma correction
• Dithering logic for 18-bit panel color depth enhancement

Output Interface

• Built-in display timing generator and fully programmable
• (RTD2523) 1 and 2-pixel/clock panel support and up to 140MHz
• (RTD2513) 1 and 2-pixel/clock panel support and up to 95MHz
• Scaler internal LSB/MSB swap, odd/even swap and red/blue group swap.
• Programmable TCON function support
• RSDS (Reduced Swing Differential Signaling) data bus type 1~3.
• Dual/Single LVDS interface output
• Reduced EMI and power saving feature
• Integrated Spread-Spectrum DCLK PLL

Host Interface

• Support MCU serial bus interface
• Support MCU parallel bus interface

Embedded OSD

• Embedded 11.25K SRAM dynamically stores OSD command and fonts
• Support multi-color RAM font, 1, 2 and 4-bit per pixel
• 16 color palette with 24bit true color selection
• Maximum 8 window with alpha-blending/gradient/dynamic fade-in/fade-out, bordering/shadow/3D window type
• Every window can place anywhere on the screen
• Rotary 90,180,270 degree
• Independent row shadowing/bordering
• Programmable blinking effects for each character
• OSD-made internal pattern generator for factory mode
• Support 12x18~4x18 proportional font

Power & Technology

• 2.5V/3.3V power supplier
• 0.25um CMOS process; 128-pin QFP package

Application Scenarios

The RTD2547D can be used in devices that require a high-performance IC Chip with a range of features including analog RGB input interface, digital input interface, and DVI compliant digital input interface. This chip can be used in applications such as monitors, projectors, televisions, and video walls.

Comparison

• The RTD2547D features embedded dual DDC support for DDC1, DDC2B, DDC/CI, which can be useful for various applications.
• The chip requires only one crystal to generate all timing, simplifying the design process for devices using this chip.
• The chip provides fully programmable zoom ratios, independent horizontal/vertical scaling, advanced zoom algorithm that provides high image quality, sharpness/smooth filter enhancement, and digital brightness and contrast adjustments for optimal viewing experience.
• The RTD2547D has programmable TCON function support, Reduced Swing Differential Signaling (RSDS) data bus type 1-3, and dual/single LVDS interface output for versatile connectivity options.
• The chip's embedded OSD provides maximum 8 windows with alpha-blending/gradient/dynamic fade-in/fade-out, bordering/shadow/3D window types, and independent row shadowing/bordering for a better user experience.

• The RTD2547D has a 128-pin QFP package which may not be suitable for devices with limited space for components.
• The chip only supports 8-bit video (ITU 656) format input which may limit its compatibility with devices that require more flexible video input options