VLSI VIDEO-DISPLAY CONTROLLER SIMPLIFIES VIDEO-SYSTEM DESIGN.

被引：0

作者：

Damouny, Nabil G. ^{[1
]}

机构：

[1] Signetics Corp, Linear LSI Div,, Sunnyvale, CA, USA, Signetics Corp, Linear LSI Div, Sunnyvale, CA, USA

来源：

EDN | 1985年 / 30卷 / 12期

关键词：

DISPLAY DEVICES;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

One can simultaneously display a picture derived fom a video disk with a page of text or computer graphics by implementing some simple interface circuitry with the Advanced Peripheral Display Controller (APDC), a table-driven, character-oriented, VLSI IC. The result is a text-in-picture or picture-in-text display. In such an application, transmission codes, character and attribute information, and DRCS (dynamically redefinable character set) characters are all downloaded through the RS-232C ports. To display a page of text and graphics generated by the APDC with a picture derived from a video disk, one must synchronize both video sources by using the SAA5230 video processor's phase-locked slave mode, in which the SAA5230's internal phase-locked voltage-controlled oscillator (VCO) generates a 6-MHz display clock.

引用

页码：193 / 200