Z8622912屬于集成電路（IC）的編碼器解碼器轉(zhuǎn)換器。由Zilog, Inc.制造生產(chǎn)的Z8622912編碼器，解碼器，轉(zhuǎn)換器該系列產(chǎn)品可用于將信息封裝或編碼為適合于傳輸或存儲的格式，和/或在通信路徑的另一端執(zhí)行逆運算，通常是通過使用某些形式的調(diào)制過程。示例包括從數(shù)字數(shù)據(jù)生成模擬視頻信號的器件（反之亦然）；基于傳輸目的對按鈕的狀態(tài)進行編碼的器件（實現(xiàn)遠程控制功能）；以及便于將標準 UART 連接到標準紅外收發(fā)器的器件。

 

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