Thus, only one instrument can be accessed at once via single active IEEE 1149.1 instruction. The length of the TDR is fixed irrespective of the instrument selected on the chip. This means, the ...

It is shows as the highlighted path in Fig. 1. Path from ‘si’ to ‘so’ to be activated so, it excludes the instrument and the TDR from scan path. Activate Scan Path Configuration: When the sel is ‘1’, ...