1. Description
TC90197XBG is a highly integrated, high performance picture
processor for small LCD panel ( W-VGA ). It adapts analog
component, composite Video, digital RGB, digital YUV signal
format, and it has a video output of digital RGB.
In addition timing control signal output for W-VGA panel.
2. Applications
Car navigation / Car entertainment
3. Features
 Input interface
• 2ch Component video signal input (selectable RGB and YCbCr, 525i / 625i / 525p / 625p)
 8bit ADC 3ch
 Gch IN input t pin : Extra car camera mode pin ( for NTSC / PAL color decoder)
• Composite video input with 3ch selector ( NTSC / PAL / SECAM / PAL-M / PAL-N / PAL60 / 443NTSC )
 8bit ADC 1ch
• Digital input interface 1 ( RGB (525p / 625p): 6bit × 3ch)
• Digital input interface 2 (Selectable RGB (525p / 625p): 6bit × 3ch and YUV: ITU-R BT.601 (525i / 625i / 525p / 625p)
or ITU-R BT.656 (525i / 625i) )
 Output interface
• Digital RGB Output ( 8bit × 3ch )
• LCD Timing Control Output for WVGA panel (W-VGA: 800 dot × 480 Line)
• LED Back Light Control Output ( Dimmer (PWM) )
 Key Features
• 3 line Digital comb filter ( NTSC / PAL )
• Color decoder for Multi-color system ( NTSC / PAL / SECAM / PAL-M / PAL-N / PAL60 / 443NTSC )
• Digital PLL (for Clock Generator)
• Scaling function ( built in 16 Mbit DRAM )
• Super impose function
 Overlay function ( Timing pulse control / Chroma Key )
 Line drawing OSD
 Built in SRAM font and fixed characters font OSD
• YCbCr Picture quality control functions
 Y: HVD Enhancer, H/V Enhancer, LTI, Noise canceller, Contrast, Brightness
 C: Color management, Skin color correction, CTI, Noise canceller, Gain control, Cb/Cr offset
• RGB Picture quality control functions (RGB Contrast , Brightness)
• Y-Dynamic gamma
• Picture gamma ( 8 inflection points setting )
• RGB static gamma( 8 inflection points setting )
• I2C Bus control ( Fast mode )
• EEPROM interface ( 64 kbit / 128 kbit / 256 kbit )
 Power Supply
• 1.5 V ( for logic circuit and DRAM ) / 2.5 V ( for analog circuit and DRAM ) / 3.3 V ( for I/O block )