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TMS570LS3137-EP: MibSPI5 I/O analog loopback not working

Part Number: TMS570LS3137-EP


Hello,

With SIMO[0] and SOMI[0], I was trying for I/O analog loopback by configuring 0xA02 in IOLPBKTSTCR register. I couldn't see any data in RXRAM. I/O digital loopback is anyway working. Again, is any other configuration I should look into. 

Thanks,

Jai