ADV612

a Closed Circuit TV Digital Video Codec ADV611/ADV612 FEATURES Programmable “Quality Box” Industrial Temperature Range (ADV612) Hardware Frame Rate Reduction 100% Bitstream Compatible with the ADV601 and ADV601LC Precise Compressed Bit Rate Control Field Independent Compression 8-Bit Video Interface Supports CCIR-656 and Multi- plexed Philips Formats General Purpose 16- or 32-Bit Host Interface with 512 Deep 32-Bit FIFO PERFORMANCE Real-Time Compression or Decompression of CCIR-601 to Video: 720 ؋ 288 @ 50 Fields/Sec — PAL 720 ؋ 243 @ 60 Fields/Sec — NTSC Compression Ratios from Visually Loss-Less to 7500:1 Visually Loss-Less Compression At 4:1 on Natural Images (Typical) APPLICATIONS CCTV Cameras and Systems Time-Lapse Video Tape Recorders Time-Lapse Video Disk Recorders Wireless CCTV Cameras Fiber CCTV Systems GENERAL DESCRIPTION The ADV611/ADV612 are low cost, single chip, dedicated function, all-digital-CMOS-VLSI devices capable of supporting visually loss-less to 7500:1 real-time compression and decompression of CCIR-601 digital video at very high image quality levels. The chips integrate glueless video and host interfaces with on-chip SRAM to permit low part count, system level implementations suitable for a broad range of applications. The ADV611/ADV612 are 100% bitstream compatible with the ADV601. The ADV611/ADV612 comes in a 120-lead LQFP package. The ADV611/ADV612 are video encoders/decoders optimized for closed circuit TV (CCTV) applications. With the ADV611/...