Hello,

> Which datasheet you are mentioned about ?
> I checked Lager board datasheet rev0.09 and it said debug interface is SCIF0 and SCIF1.

V0.12D. On Page 22, the headline says "Debug Interface (SCIF0)", true.
However, the wires are named SCIFA0_TXD/RXD. Same for SCIF(A)1. On Page
2, as well. Check Y30 and AA29, they are named SCIFA0/A1.

Kind regards,

   Wolfram