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来源：百度知道 编辑：UC知道 时间：2024/06/18 14:19:35
SYSTEM TESTING
With the support of system-level scan pathmanagement devices from a variety of silicon vendors, the boundary-scan test capability implemented for board-level manufacturing test can be extended to the system level. Designing in this boundary-scan “backbone” in the
system provides many capabilities in addition to those realized at board-level test as detailed below. Reuse of board-level test vectors leading to reduced test development times.
Verification of board-to-board interconnections supporting diagnosis of backplane interconnection failures at the connector pin level. Eliminate redundant functional tests with
ambiguous diagnostics. Facilitate system checkout prior to shipment. Provides access for firmware verification and upgrade without disassembly. Supports pin-level diagnostics during
environmental stress testing. Provides infras
With the support of system-level scan pathmanagement devices from a variety of silicon vendors, the boundary-scan test capability implemented for board-level manufacturing test can be extended to the system level. Designing in this boundary-scan “backbone” in the
system provides many capabilities in addition to those realized at board-level test as detailed below. Reuse of board-level test vectors leading to reduced test development times.
Verification of board-to-board interconnections supporting diagnosis of backplane interconnection failures at the connector pin level. Eliminate redundant functional tests with
ambiguous diagnostics. Facilitate system checkout prior to shipment. Provides access for firmware verification and upgrade without disassembly. Supports pin-level diagnostics during
environmental stress testing. Provides infras
系统测试
的支持下，系统级扫描pathmanagement设备从不同的芯片厂商，在边界扫描测试能力，执行局一级的生产测试，可以延长到系统级别。在这个设计边界扫描“骨干”的
系统提供了许多功能，除了这些实现板级测试，详情如下。 重用板级测试向量从而降低测试开发时间。
核查板对板互连支持诊断背板互连故障的连接器引脚水平。 消除冗余功能测试
模棱两可的诊断。 促进系统结帐装运之前。 提供的固件升级没有核查和拆卸。 支持引脚级别诊断中
环境压力测试。 提供基础设施行使嵌入式测试结构内置于ASIC和FPGA 。 收集数据，或数据挖掘，整个系统通过单一访问点。为了实现这些好处，必须计划的系统级测试的战略系统的概念阶段。这将需要早期合作的设计师和系统架构师定义系统级边界扫描结构。