具有4串口处理能力的CPU模块的测试方法

Test Method of CUP Module with 4 Serial Ports Processing Capability

芯片电装前的测试是保障系统的可靠性和稳定性的重要前提。介绍了一种针对国内生产的M128-554通讯处理器模块的测试方法。分析了模块的特性,构建了以PC机为控制核心、被测模块M128-554、模拟4串口信号的单片机CPU TM128、两个4串口通讯芯片16C554等组成的自动化测试平台。结合C51语言、Borland C++builder6.0语言完成了测试系统的设计与实现。叙述了具体方案设计和测试方法。

Chips are tested before electrical installation, which is an important precondition to ensure the reli- ability and stability of systems. A test method of M128-554 communications processor module produced in do- mestic is introduced. The characteristics of the module are analyzed. An automatic testing platform which in- cludes a PC controlling center, a tested module M128-554, a microcontroller CPU TMI28 with 4 serial ports sim- ulation signal and two 16C554 chips with 4 serial ports communication capability is built. Combined with C51 language and Borland C＋＋ builder6.0 language, design and implementation of the test system are completed. The detailed design schemes and testing methods are described.