Renesas RAA278842, RAA278843 Datasheet
Short-Form Datasheet
To request the full datasheet, visit the RAA278842, RAA278843 device pages.
RAA278842, RAA278843
LCD Video Processor with Decoder, LVDS, TTL, MIPI, Image Enhancement,
and Video Integrity Diagnostic
The RAA278842
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.
and RAA278843 are highly
Applications
• Automotive display
• Industrial/military displays
Features
Analog Video Decoder
• Supports NTSC (M, 4.43) and PAL (B, D, G, H, I, M,
N, N combination), PAL (60), SECAM with
automatic format detection
• High quality adaptive 2D comb filter for both NTSC
and PAL inputs
• 10-bit ADC and analog clamping circuit
• Fully programmable static gain or automatic gain
control for the CVBS channel
• Programmable white peak control for the CVBS
channel
• Four single-ended or 2 differential CVBS input
• PAL delay line for color phase error correction
• Image enhancement with 2D dynamic peaking/CTI
• Digital subcarrier PLL for accurate color decoding
• Programmable hue, brightness, saturation,
contrast, and sharpness
• Digital horizontal PLL and advanced
synchronization processing for superior VCR
playback and weak signal performance
Digital Input Support
• Supports two parallel digital input ports up to 32 bits
total, with many combinations (24 + 8, 16 + 16, etc.)
• Portable/consumer displays
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• Supports BT.656, 8-bit and 16-bit BT.601, and
BT.1120 video formats
• 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
○ One four lane single channel MIPI-CSI2 input port
(1Gb/lane)
○ Dual two lane channel MIPI-CSI2 input port
(1Gb/lane)
• Supports 1.8 ~ 3.3V logic thresholds
RAA278842, RAA278843
TFT Panel Support
• Supports 3, 4, 6, or 8 bits per pixel up to 16.8 million colors with built-in dithering engine
• Supports single channel LVDS panels up to 1920x1080 resolution (150MHz)
• Supports dual channel LVDS up to 1920x1080 resolution (150MHz)
MIPI-CSI2 Output – RAA278842 only
• Four lane MIPI-CSI2 output port (1.2Gb/lane)
• Supports YUV422 and 24-bit RGB data formats
Pseudo BT.656 Output – RAA278843 only
• Independent BT.656 compatible YCbCr(4:2:2) output format
• YCbCr(4:2:2) output generated from all input paths
• Output processed through scaler bypass mode
Font Based On-Screen Display
• Four windows font OSD with bordering/shadow
• 13824 bytes programmable font RAM and 1024 characters display RAM
• 1/2/3/4 bits per pixel
• Supports variable width (12/16), height (2~32)
SPI Flash Based On-Screen Display
• Supports fast register initialization by SPI-DMA
• Nine bitmap-based OSD windows in two layers through SPI with alpha blending between layers
• Supports 4/6/8 bits/pixel
• Supports RLE decompression for two windows
• Shares pins with EEPROM interface
EEPROM Interface
• EEPROM interface for fast boot register initialization
• Shares pins with SPI Flash memory interface
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
• Independent RGB gain and offset controls
• 10-bit per color processing
• 10-bit image enhancement processing and 10-bit Gamma correction
Clock Generation
• Spread spectrum PLL integrated to each scaler path
• Programmable modulation frequency and spread width
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