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TDA4VM: lbist and pbist question

Part Number: TDA4VM

HI Everybody ,

We want to use both LBIST and PBIST Power-On Self-Test modes, exists 2 different way to do that :

1           - DMSC LBIST followed by MCU LBIST followed by PBIST

2         - DMSC LBIST and MCU LBIST in parallel followed by PBIST

Which difference is there in term of timing?

coudl you help ?

thank you 

BR

Carlo