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双极型位片微机Am2900系列可用来构成低价格的高速外设控制器。本文叙述了用于全面检测Am2900硬件故障的诊断系统,该系统是靠监督外设控制器的操作和回收外设控制器的寄存器内容来实现的;同时还介绍了微程序调试系统。一年来的使用经验表明诊断和调试系统的效果是满意的。
Bipolar bit-chip microcomputer Am2900 series can be used to form a low-cost high-speed peripheral controller. This article describes a comprehensive diagnostic system for the detection of Am2900 hardware faults, which is achieved by monitoring the operation of the peripheral controller and retrieving the register contents of the peripheral controller. The microprogram debugging system is also described. A year of experience shows that the effectiveness of the diagnostic and commissioning system is satisfactory.