GENERAL DESCRIPTION

Capable of processing Vertical Blanking Interval (VBI) data from both fields of the video frame in data, the Z86229 Line 21 Decoder offers a feature-rich solution for any tele vision or set-top application. The robust nature of the Z86229 helps the device conform to the transmission format

defined in the Television Decoder Circuits Act of 1990, and in accordance with the Electronics Industry Association specification 608 (EIA–608).

FEATURES

• Complete Stand-Alone Line 21 Decoder for Closed-Captioned and Extended Data Services (XDS)

• Preprogrammed to Provide Full Compliance with EIA–608 Specifications for Extended Data Services

• Automatic Extraction and Serial Output of Special XDS Packets (Time of Day, Local Time Zone, andProgram Blocking)

• Programmable XDS Filter for a Specific XDS Packet

• Cost-Effective Solution for NTSC Violence Blocking inside Picture-in-Picture (PiP) Windows

• Minimal Communications and Control Overhead Provide Simple Implementation of Violence Blocking, Closed Captioning, and Auto Clock Set Features

• Programmable, On-Screen Display (OSD) for Creating Full Screen OSD or Captions inside a Picture-in Picture (PiP) Window

• User-Programmable Horizontal Display Position for easy OSD Centering and Adjustment

• I2C Serial Data and Control Communication

• Supports 2 Selectable I2C Addresses