Digital Signal Controllers中的主题 BIST CRC failure - sometimes https://community.nxp.com/t5/Digital-Signal-Controllers/BIST-CRC-failure-sometimes/m-p/888205#M1601 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>we will be using MPC577M. enabled offline selftest(STCU2) with CRC. able to run the test and results are OK.</P><P>Noticed, we do destructive reset for diagnostic functionality often noticed the CRC test failing.&nbsp;</P><P></P><P>when do reset via debugger (trace32)&nbsp;SYStem.RESetTarget,&nbsp;noticed behaviour consistent and CRC is OK.</P><P></P><P>do perform destrucive reset here is code snippet,</P><P>Clear FES</P><P>Clear DES</P><P>Clear&nbsp;DRET</P><P>ME_MCTL =&nbsp;0xFFFF5AF0UL</P><P>ME_MCTL = 0xFFFFA50FUL</P><P></P><P>other tests doesn't have any impact. No failure on LBIST or MBIST.</P><P></P><P>Please guide me for further analysis.</P></BODY></HTML> Thu, 07 Feb 2019 12:02:10 GMT r_sathiyamoorth 2019-02-07T12:02:10Z BIST CRC failure - sometimes https://community.nxp.com/t5/Digital-Signal-Controllers/BIST-CRC-failure-sometimes/m-p/888205#M1601 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>we will be using MPC577M. enabled offline selftest(STCU2) with CRC. able to run the test and results are OK.</P><P>Noticed, we do destructive reset for diagnostic functionality often noticed the CRC test failing.&nbsp;</P><P></P><P>when do reset via debugger (trace32)&nbsp;SYStem.RESetTarget,&nbsp;noticed behaviour consistent and CRC is OK.</P><P></P><P>do perform destrucive reset here is code snippet,</P><P>Clear FES</P><P>Clear DES</P><P>Clear&nbsp;DRET</P><P>ME_MCTL =&nbsp;0xFFFF5AF0UL</P><P>ME_MCTL = 0xFFFFA50FUL</P><P></P><P>other tests doesn't have any impact. No failure on LBIST or MBIST.</P><P></P><P>Please guide me for further analysis.</P></BODY></HTML> Thu, 07 Feb 2019 12:02:10 GMT https://community.nxp.com/t5/Digital-Signal-Controllers/BIST-CRC-failure-sometimes/m-p/888205#M1601 r_sathiyamoorth 2019-02-07T12:02:10Z