Patent ID: 11933845
Assignee: SHENZHEN PANGO MICROSYSTEMS CO., LTD
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 8:
9. A non-transitory storage medium storing at least one program instruction, wherein a method is implemented when the program instruction is executed by a processor; and wherein the method comprises the following steps:
configuring an FPGA to enter a test mode;
configuring a boundary scan chain for a boundary scan test by means of the user logic;
loading a boundary scan test instruction to the FPGA, and loading a PRELOAD instruction to a device having a PAD to be tested for connectivity;
sending, a first test vector to the PAD via a TDI port;
performing the boundary scan test, and loading an EXTEST instruction to the device having the PAD; and
removing first response data from a TDO port and performing response analysis and fault diagnosis;
wherein the step “configuring a boundary scan chain for a boundary scan test by means of the user logic” further comprises:
according to a position and a quantity of PADs to be tested, configuring a boundary scan chain corresponding to the PADs to be tested one by one through the user logic.