Z8612912PSC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Z8612912PSC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

The Z86129/130/131 is a stand-alone integrated circuit, capable of processing Vertical Blanking Interval (VBI) data from both fields of the video frame in data conforming 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-Captions

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 such as Time of Day, Local Time Zone,

and Program Rating (V-Chip).

■ Cost-Effective Solution for NTSC Violence Blocking

inside Picture-in-Picture (PiP) Windows.

■ Minimal Communications and Control Overhead

Provides Simple Implementation of Violence Block,

Closed Caption, and Auto Clock Set Features.

■ Programmable, Full Screen On-Screen Display (OSD)

for Creating OSD or Captions inside

a Picture-inPicture (PiP) Window (Z86129 only).

■ I2C Serial Data and Control Communication

■ User-Programmable Horizontal Display Position for

easy OSD Centering and Adjustment (Z86129 only).