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CS4955 Datasheet NTSC/PAL Digital Video Encoder

Manufacturer: Cirrus Logic

General Description

l Six DACs providing simultaneous composite, S-video, and RGB or Component YUV outputs l Programmable DAC output currents for low imped-ance (37.5 Ω) and high impedance (150 Ω) loads.

l Multi-standard support for NTSC-M, NTSCJAPAN, PAL (B, D, G, H, I, M, N, Combination N) l ITU R.BT656 input mode supporting EAV/SAV codes and CCIR601 Master/Slave input modes l Programmable HSYNC and VSYNC timing l Multistandard Teletext (Europe, NABTS, WST) support l VBI encoding support l Wide-Screen Signaling (WSS) support, EIA-J CPX1204 l NTSC closed caption encoder with interrupt l CS4955 supports Macrovision copy protection Version 7 The CS4954/5 provides full conversion from digital video formats YCbCr or YUV into NTSC and PAL Composite, Y/C (S-video) and RGB, or YUV analog video.

Input formats can be 27 MHz 8-bit YUV, 8-bit YCbCr, or ITU R.BT656 with support for EAV/SAV codes.

Overview

CS4954 CS4955 NTSC/PAL Digital Video Encoder.