ADV7185
FEATURES
Analog Video to Digital YCr Cb Video Decoder: NTSC-(M/N), PAL-(B/D/G/H/I/M/N) ADV®7185 Integrates Two 12-Bit ADCs Clocked from a Single 27 MHz Crystal Dual Video Clocking Schemes: Line-Locked Clock patible (LLC) Adaptive Digital Line Length Tracking (ADLLT™) 3-Line Chroma b Filter Real-Time Clock and Status Information Output Integrated AGC (Automatic Gain Control) and Clamping Multiple Programmable Analog Input Formats: CVBS (posite Video) SVHS (Y/C) YCr Cb ponent (VESA, MII, SMPTE, and Beta Cam) 6 Analog Input Video Channels Real-Time Horizontal and Vertical Scaling Automatic NTSC/PAL Identification Differential Mode Video Input
FUNCTIONAL BLOCK DIAGRAM
P19- P0 PIXEL O/P PORT
ISO REFOUT AIN1 AIN2 AIN3 AIN4 AIN5 AIN6 ANALOG I/P MULTIPLEXING AUTOMATIC GAIN CONTROL (AGC) CLAMP AND DC RESTORE 12-BIT ADC 12-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...