Advanced Video Decoder with 10-Bit ADC and Component Input Support
Description
a
Advanced Video Decoder with 10-Bit ADC and Component Input Support ADV7183
Digital Output Formats 16-Bit Wide Bus): YCrCb (4:2:2 or 4:1:1) CCIR601/CCIR656 8-Bit or 16-Bit 0.
5 V to 2.
0 V p-p Input Range Differential Gain, 0.
4% Typ Differential Phase, 0.
6o Typ Programmable Video Controls: Peak White/Hue/Brightness/Saturation/Contrast APPLICATIONS Security Systems Projectors Digital Televisions DVD-RAM Recorders and Players PDP Displays Video Decoders Hybrid Analog/Digital Set-Top Boxes (continued on page 9)
FEATURES Analog Video to Digital YCrCb Video Decoder: NTSC-(M/N), PAL-(B/D/G/H/I/M/N) ADV®7183 Integrates Two 10-Bit Accurate ADCs Clocked from a Single 27 MHz Crystal Dual Video Clocking Schemes: Line-Locked Clock Compatible (LLC) Adaptive Digital Line Length Tracking (ADLLT™) Three-Line Chroma Comb Filter Real-Time Clock and Status Information Output Integrated AGC (Automatic Gain Control) and Clamping Multiple Programmable Analog Input Formats: CVBS (Composite Video) SVHS (Y/C) YCrCb Component (VESA, MII, SMPTE, and BetaCom) 6 Analog Input Video Channels Automatic NTSC/PAL Identification Differential Mode Video Input
FUNCTIONAL BLOCK DIAGRAM
P15–P0 PIXEL O/P PORT
ADV7183
ISO REFOUT AIN1 AIN2 AIN3 AIN4 AIN5 AIN6 ANALOG I/P MULTIPLEXING AUTOMATIC GAIN CONTROL (AGC) CLAMP AND DC RESTORE 10-BIT ADC 10-BIT ADC
SHAPING AND NOTCH LPF
PEAKING HPF/LPF
RESAMPLING AND HORIZONTAL SCALING
LUMA DELAY BLOCK FIFO CONTROL BLOCK AND PIXEL OUTPUT FORMATTER
AFF HFF/QCLK AEF DV RD
LUMA ANTIALIAS LPF
SYNC DETECTION
2H LINE MEMORY
27MHz
SUBCARRIER RECOVERY DTO
RESAMPLING AND HORIZONTAL SCALING
CHROMA COMB FILTER
OE GL/CLKIN
SWITCH
CHROMA ANTIALIAS LPF
SHAPING LPF
VIDEO TIMING AND CONTROL BLOCK
27MHz XTAL OSCILLATOR BLOCK
LLC SYNTHESIS WITH LINELOCKED OUTPUT CLOCK I2C-COMPATIBLE INTERFACE PORT
LLC1 LLC2 LLCREF
ELPF
PWRDN
HSYNC FIELD VSYNC HREF
VREF
CLOCK CLOCK RESET
SDATA SCLOCK ALSB
ADLLT is a trademark and ADV is a registered trademark of Analog Devic...
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