topic Re: 56F803 and external data memory in Other NXP Products https://community.nxp.com/t5/Other-NXP-Products/56F803-and-external-data-memory/m-p/161770#M857 <HTML><HEAD></HEAD><BODY><P>Please help me.Thank you very much.</P></BODY></HTML> Sun, 15 Mar 2009 17:39:29 GMT hapqt 2009-03-15T17:39:29Z 56F803 and external data memory https://community.nxp.com/t5/Other-NXP-Products/56F803-and-external-data-memory/m-p/161769#M856 <HTML><HEAD></HEAD><BODY><P>I'm using SDK2.4 for DSP56F803.I want to erase,write and read the data from external data memory(SST39VF1601)&nbsp;through the data and address&nbsp;bus.But the returned data always&nbsp;0xFFFF.Is there any&nbsp;error?</P><P>&nbsp;</P><P>&nbsp; ORC #$0008,OMR<BR />&nbsp;&nbsp;NOP<BR />&nbsp;&nbsp;MOVE #$AA,X:$5555<BR />&nbsp;&nbsp;MOVE #$55,X:$2AAA<BR />&nbsp;&nbsp;MOVE #$A0,X:$5555<BR />&nbsp;&nbsp;MOVE #$0E,X:$0024<BR />&nbsp;&nbsp;NOP</P><P>&nbsp; NOP<BR />&nbsp;&nbsp;MOVE X:$0024,A<BR />&nbsp;&nbsp;NOP<BR />&nbsp;&nbsp;ANDC #$FFF7,OMR<BR />&nbsp;&nbsp;NOP<BR />&nbsp;&nbsp;MOVE A,Data<BR />&nbsp;&nbsp;NOP&nbsp;&nbsp;</P><P>&nbsp;</P><P>THANKS.Another problem:can I see the data in the external data memory by the codeworrior windows?</P></BODY></HTML> Fri, 13 Mar 2009 09:56:43 GMT https://community.nxp.com/t5/Other-NXP-Products/56F803-and-external-data-memory/m-p/161769#M856 hapqt 2009-03-13T09:56:43Z Re: 56F803 and external data memory https://community.nxp.com/t5/Other-NXP-Products/56F803-and-external-data-memory/m-p/161770#M857 <HTML><HEAD></HEAD><BODY><P>Please help me.Thank you very much.</P></BODY></HTML> Sun, 15 Mar 2009 17:39:29 GMT https://community.nxp.com/t5/Other-NXP-Products/56F803-and-external-data-memory/m-p/161770#M857 hapqt 2009-03-15T17:39:29Z Re: 56F803 and external data memory https://community.nxp.com/t5/Other-NXP-Products/56F803-and-external-data-memory/m-p/161771#M858 <HTML><HEAD></HEAD><BODY><P>why not change sdk to Codewarrior 8.0 with PE?</P><P>&nbsp;</P></BODY></HTML> Fri, 20 Mar 2009 08:38:37 GMT https://community.nxp.com/t5/Other-NXP-Products/56F803-and-external-data-memory/m-p/161771#M858 JerryLe 2009-03-20T08:38:37Z