Overview
Description
The RAA278842 and RAA278843 are highly integrated LCD video processors that incorporate many of the features required to create a cost-effective multipurpose LCD display system. These include a high-quality 2D comb NTSC/PAL/SECAM video decoder that supports single-ended or differential composite video inputs, two TTL digital input interfaces, two LVDS Open LDI input interfaces, a MIPI-CSI2 input interface, and an EEPROM/SPI interface. The outputs include a dual channel LVDS Open LDI panel interface and a separate MIPI-CSI2 output in the RAA278842 or a pseudo BT.656 output in the RAA278843.
Both devices can support input resolutions up to 1080p and can drive LCD panels up to 1920x1080. The video processing capabilities include arbitrary H/V scaling using a high-quality scaler and de-interlacer engine, panoramic scaling, image mirroring, image adjustment and enhancement using 10-bit per color processing, black and white stretch, a versatile OSD, and much more. In addition, the RAA278842 and RAA278843 have a multi-feature image integrity diagnostic capability to dynamically determine if the input video is corrupted. The feature set and versatility of this device makes it an ideal solution for automotive LCD display applications.
Features
- Analog Video Decoder
- High-quality adaptive 2D comb filter for both NTSC and PAL inputs
- 10-bit ADC and analog clamping circuit
- Digital Input Support
- Supports two parallel digital input ports up to 32 bits total, with many combinations (24 + 8, 16 + 16, etc.)
- Supports YCbCr/RGB 24-bit input up to 1080p resolution
- Dual-channel LVDS open LDI inputs - up to 150MHz per channel or in Dual mode (75MHz per channel)
- MIPI-CSI2 input
- TFT Panel Support
- Supports 3, 4, 6, or 8 bits per pixel up to 16.8 million colors with a built-in dithering engine
- Supports single channel LVDS panels up to 1920 x 1080 resolution (150MHz)
- Supports dual-channel LVDS up to 1920 x 1080 resolution (150MHz)
- Pseudo BT.656 Output
- Independent BT.656 compatible YCbCr(4:2:2) output format
- YCbCr(4:2:2) output generated from all input paths
- Image Processing
- A high-quality scaler with both up/down scaling support
- Built-in 2D de-interlacing function
- Supports programmable cropping of input video and graphics
- 10-bit per color processing
- 10-bit image enhancement processing and 10-bit Gamma correction
- Miscellaneous
- Fast mode plus I2C interface up to 1.2Mbps with zero hold time
- Short diagnostics
- Short to battery
- Short to ground
- 1.8/3.3V I/O support
- Single 27MHz crystal
- 128 Ld LQFP with exposed thermal pad
- AEC-Q100 qualified
Comparison
Applications
- Automotive displays
- Industrial/Military displays
- Portable/Consumer displays
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 3.88 MB | |
| Datasheet - Short-form | PDF 429 KB | |
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Processing table
RAA278843B2GFP#AA0 Active Samples Available |
LQFP | Tray | 3 | Get Samples, |
RAA278843B3HFP#HA0 Active Samples Available |
LQFP | Reel | 3 | Get Samples, |
RAA278843B3HFP#AA0 Active Samples Available |
LQFP | Tray | 3 | Get Samples, |
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