S12 / MagniV MicrocontrollersのトピックRe: PRAM configuration in MC9s21eq512 controller https://community.nxp.com/t5/S12-MagniV-Microcontrollers/PRAM-configuration-in-MC9s21eq512-controller/m-p/183502#M6831 <HTML><HEAD></HEAD><BODY><P>Probably you meant MC9S12XEQ512?</P><P>&nbsp;</P><P>It depends on what are you going to do with this RAM. In case all your data arrays are &lt;=4kB (which is size of RAM R-page window), just surrend&nbsp;your banked RAM variable declarations and definitions with two pragmas.</P><P>&nbsp;</P><P>#pragma DATA_SEG __RPAGE_SEG PAGED_RAM</P><P>//add your data here</P><P>#pragma DATA_SEG DEFAULT</P><P>&nbsp;</P><P>Depending on your code you may need to change setting of Compiler for HC12 -&gt; Code Generation -&gt; Assume objects are in same page for = never for different objects.</P></BODY></HTML> Thu, 17 Nov 2011 16:52:50 GMT kef 2011-11-17T16:52:50Z PRAM configuration in MC9s21eq512 controller https://community.nxp.com/t5/S12-MagniV-Microcontrollers/PRAM-configuration-in-MC9s21eq512-controller/m-p/183501#M6830 <HTML><HEAD></HEAD><BODY><P>I am using MC9S12eq512 with code warrior&nbsp;in my project. this controller contain 32k&nbsp; but default we can access only 8k RAM area. I want to&nbsp;increase my RAM area . please helpme how will configure the PRAM area in my project.</P></BODY></HTML> Thu, 17 Nov 2011 02:53:52 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/PRAM-configuration-in-MC9s21eq512-controller/m-p/183501#M6830 dalmeda 2011-11-17T02:53:52Z Re: PRAM configuration in MC9s21eq512 controller https://community.nxp.com/t5/S12-MagniV-Microcontrollers/PRAM-configuration-in-MC9s21eq512-controller/m-p/183502#M6831 <HTML><HEAD></HEAD><BODY><P>Probably you meant MC9S12XEQ512?</P><P>&nbsp;</P><P>It depends on what are you going to do with this RAM. In case all your data arrays are &lt;=4kB (which is size of RAM R-page window), just surrend&nbsp;your banked RAM variable declarations and definitions with two pragmas.</P><P>&nbsp;</P><P>#pragma DATA_SEG __RPAGE_SEG PAGED_RAM</P><P>//add your data here</P><P>#pragma DATA_SEG DEFAULT</P><P>&nbsp;</P><P>Depending on your code you may need to change setting of Compiler for HC12 -&gt; Code Generation -&gt; Assume objects are in same page for = never for different objects.</P></BODY></HTML> Thu, 17 Nov 2011 16:52:50 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/PRAM-configuration-in-MC9s21eq512-controller/m-p/183502#M6831 kef 2011-11-17T16:52:50Z