topic QCVS TOOL in P-Series https://community.nxp.com/t5/P-Series/QCVS-TOOL/m-p/737078#M4366 <HTML><HEAD></HEAD><BODY><P>When I use the QCVS Tool to configure DDR2 which on the P2020 board, the default configuration of DQS# is disabled. I must enable it by myself. I want to know that if I set bit10 of EMR1 register to 0, has the DQS# signal been enabled ?&nbsp;</P></BODY></HTML> Wed, 07 Mar 2018 11:20:21 GMT yansongzhu 2018-03-07T11:20:21Z QCVS TOOL https://community.nxp.com/t5/P-Series/QCVS-TOOL/m-p/737078#M4366 <HTML><HEAD></HEAD><BODY><P>When I use the QCVS Tool to configure DDR2 which on the P2020 board, the default configuration of DQS# is disabled. I must enable it by myself. I want to know that if I set bit10 of EMR1 register to 0, has the DQS# signal been enabled ?&nbsp;</P></BODY></HTML> Wed, 07 Mar 2018 11:20:21 GMT https://community.nxp.com/t5/P-Series/QCVS-TOOL/m-p/737078#M4366 yansongzhu 2018-03-07T11:20:21Z Re: QCVS TOOL https://community.nxp.com/t5/P-Series/QCVS-TOOL/m-p/737079#M4367 <HTML><HEAD></HEAD><BODY><P>P2020 supports only differential DQS - refer to the P2020 RM, 8.4.9 DDR SDRAM control configuration 2 (DDR_DDR_SDRAM_CFG_2), 4–5 DQS_CFG.</P><P></P><P>&gt; if I set bit10 of EMR1 register to 0, has the DQS# signal been enabled ?</P><P>The DQS# will be enbled for the DDR2 SDRAM chips.</P></BODY></HTML> Mon, 12 Mar 2018 08:20:10 GMT https://community.nxp.com/t5/P-Series/QCVS-TOOL/m-p/737079#M4367 ufedor 2018-03-12T08:20:10Z