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Circuit for extension of an interrupt input of a personal computer PC8001mkII

 

作者: Koichi Matsuura,   Tatsuo Yamasaki,   Satoru Kishida,   Hiroyuki Taki,   Ichiro Tsurumi,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1987）
卷期: Volume 58, issue 1  

页码: 142-143

 

ISSN:0034-6748

 

年代: 1987

 

DOI:10.1063/1.1139546

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A circuit is described which extends an interrupt input of a personal computer PC8001mkII to multiple interrupt inputs using a daisy‐chain approach, where prioritized interrupts up to 128 levels may be available by providing additional wait states and an interrupt look‐ahead circuit. The circuit presented in this note may be applied to other computers with some slight modifications.

 

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