MSM7652

¡ Semiconductor MSM7652 ¡ Semiconductor NTSC/PAL Digital Video Encoder This version: Jun. 1998 MSM7652 in im el Pr y ar GENERAL DESCRIPTION The MSM7652 is a digital NTSC/PAL encoder. By inputting digital image data conforming to ITU Rec. 656 or ITURBT 601, it outputs selected analog composite video signals, analog S video signals or Y, R-Y, B-Y signals. For the scanning system, interlaced or noninterlaced mode can be selected. Since the MSM7652 is provided with pins dedicated to overlay function, text and graphics can www.DataSheet4U.com be superimposed on a video signal. In addition, this encoder has an internal 10-bit DAC. So, when compared with using a conventional analog encoder, the number of components, the board space, and points of adjustment can greatly be reduced, thereby realizing a low cost and high-accuracy system. The MSM7652 provides the optional functions such as Closed Caption Signal Generation Function. The host interface provided conforms to Philips's I2C specifications, which reduces interconnections between this encoder and mounting components. The internal synchronization signal generator (SSG) allows the MSM7652 to operate in master mode. FEATURES Video signal system: NTSC/PAL Scanning system: interlaced/noninterlaced (NTSC : 262 lines/PAL : 312 lines) Input digital level: conforms to ITU-R601 (CCIR601) Input-output timing: conforms to ITU Rec. 656 or ITURBT 624-4 Input signal sampling ratio : Y:Cb:Cr = 4:2:2 Supported input formats · ITU...