High Inheritability and Flexibility Smarttest8 Testmethod Library on Ultra-High-Speed Serdes Measurement
Jiaying Xiang, Yichen Xiao, Juyang Sun, Qingqing Xia, Yanfen Fang · 2022 China Semiconductor Technology International Conference (CSTIC) · 2022
Compatibility with new test head cards, diversification of program development supported by open source of native Code, likewise, highly efficient test time reduction (TTR) and cost cutting, the Smartest8 is a growing trend for automatic test. SerDes, the high-speed wideband digital communication with stable and efficient program is participated in this reformation. The traditional Smartest8 Testmethod is re-organize into procedure-oriented coding style called Test Method Runner (TMR) for test engineering. However, more complicated measurement scenarios of SerDes are concerned in released products, for instance, management for at least ten kinds of registers with plenty Read-Modify-Write (RMW) operations, seasonable Control and States Register(CSR) verification for each configuration and requirement of optional protocols. The Common Building Block (CBB) of SerDes on Smartest8 provides solutions for all cases above with Register Management and Register Access (RA) implemented. As the CBB is presented with introductions and rules, for further projects which inherit similar framework, the difficulty and time cost will be significantly reduced by 80% for new engineer, some specified codes can even be reused directly from Smartest7 to Smartest8. Additionally, we provide tools for improved functions with concise Graphical user interface (GUI). This CBB has achieved the promotion of the SmarTest8 SerDes Test in kiku and been uniquely qualified for further SerDes involved products. Here we will illustrate the problems correspond to representative scenarios and related CBB solutions.