本文介绍了一种以gal 20 V 8为核心的串行口扩展卡的设计方案,详细说明了其工作原理,并给出了GAL 20v8的内部逻辑和程序清单。
This article introduces a design project about a serial extended card with GAL20V8 in nucleus, explains the work principle in detail, and gives the inside logic and program listing of GAL20V8.
如果你想要更多,MITS还为你提供一些小附件:一张视频卡,一张连接终端的序列卡,一个64kb的RAM扩展卡和一张8英寸的软盘。
If you wanted to soup the thing up, MITS offered a few peripherals: a video card, a serial card for connecting to a terminal, a 64-kb RAM-expansion card and an 8-inch floppy drive.
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