This paper presents the interface specification of GPIB, the basic principle and function pf the TNT4882 interface chip as well as its circuit diagram along with the basic software flow chart.

• 介绍了基于TNT4882的GPIB接口控制器的设计方案，阐述了GPIB接口规范及其接口专用芯片TNT4882的功能，给出了GPIB接口电路及其软件控制流程。