基于MC9S12XS128的嵌入式单元测试仪软件开发与实现

Development and implementation of digital unit tester based on MC9S12XS128

以MC9S12XS128单片机为核心,设计了一种用于弹载计算机电路芯片测试的数字单元测试仪,通过嵌入式编程实现对测试机构电阻测试及电路转换等功能,结合MC9S12XS128单片机良好的稳定性、低成本低功耗等优点使测试仪具有较高性价比。测试结果表明该测试仪可靠性高、使用方便满足测试要求。

The digital unit tester was designed for onboard computer circuit chip testing. MC9S12XS128 microcontroller was the core of tester. Embedded programming realized many function such as resistance testing and circuit switching etc. The microcontroller MC9S12XS128 has good stability, low cost, low power consumption. so that the tester has a high cost performance, test results show that the tester of high reliability, ease of use to meet the testing requirements.