topic Xgate and multiplication in S12 / MagniV Microcontrollers https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Xgate-and-multiplication/m-p/142000#M3373 <HTML><HEAD></HEAD><BODY><DIV>Hello,</DIV><DIV>&nbsp;</DIV><DIV>Could the Xgate do long multiplication?</DIV><DIV>For example i have : int var, Long result</DIV><DIV>I want to do result=var*var</DIV><DIV>&nbsp;</DIV><DIV>Is the xgate is able to do that because i saw that it could only do "basic operation".</DIV><DIV>If it could do it, is it&nbsp;faster to do this operation with xgate or hcs12 core?</DIV><DIV>&nbsp;</DIV><DIV>Thank you</DIV><DIV>&nbsp;</DIV><DIV>Regards</DIV></BODY></HTML> Fri, 05 Jan 2007 16:51:44 GMT calou 2007-01-05T16:51:44Z Xgate and multiplication https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Xgate-and-multiplication/m-p/142000#M3373 <HTML><HEAD></HEAD><BODY><DIV>Hello,</DIV><DIV>&nbsp;</DIV><DIV>Could the Xgate do long multiplication?</DIV><DIV>For example i have : int var, Long result</DIV><DIV>I want to do result=var*var</DIV><DIV>&nbsp;</DIV><DIV>Is the xgate is able to do that because i saw that it could only do "basic operation".</DIV><DIV>If it could do it, is it&nbsp;faster to do this operation with xgate or hcs12 core?</DIV><DIV>&nbsp;</DIV><DIV>Thank you</DIV><DIV>&nbsp;</DIV><DIV>Regards</DIV></BODY></HTML> Fri, 05 Jan 2007 16:51:44 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Xgate-and-multiplication/m-p/142000#M3373 calou 2007-01-05T16:51:44Z Re: Xgate and multiplication https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Xgate-and-multiplication/m-p/142001#M3374 <HTML><HEAD></HEAD><BODY><DIV>Hello Calou,</DIV><DIV>&nbsp;</DIV><DIV>I strongly&nbsp;recommended to use the CPU12X core to do all multiplication and NOT the XGATE.</DIV><DIV>The XGATE is not an appropriate choice for long multiplication.</DIV><DIV>&nbsp;</DIV><DIV>Cheers,</DIV><DIV>Alban.</DIV></BODY></HTML> Fri, 05 Jan 2007 18:44:01 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Xgate-and-multiplication/m-p/142001#M3374 Alban 2007-01-05T18:44:01Z Re: Xgate and multiplication https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Xgate-and-multiplication/m-p/142002#M3375 <HTML><HEAD></HEAD><BODY><DIV>As Alban said the CPU is a better choice for multiplication (and division), however, the XGATE can do it using C libraries so it is an option when appropriate. <A href="http://www.freescale.com/files/microcontrollers/doc/app_note/AN3289.pdf" rel="nofollow" target="_blank">AN3289</A> has a simple example in section 9 that shows the strengths of the two cores when some division is involved.</DIV></BODY></HTML> Fri, 05 Jan 2007 20:01:17 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Xgate-and-multiplication/m-p/142002#M3375 Steve 2007-01-05T20:01:17Z