i.MX Processors中的主题 SPI for NOR Flash - Maximum addressable range https://community.nxp.com/t5/i-MX-Processors/SPI-for-NOR-Flash-Maximum-addressable-range/m-p/350532#M48754 <HTML><HEAD></HEAD><BODY><P>Greetings,</P><P></P><P>If one wanted to add flash memory to an i.MX6S with a SPI nor flash, what is the limiting factor for the maximum addressable memory?&nbsp; I see references in the manual that state a 16k memory size size for SPI boot, and I also see a setting for 16-bit or 24-bit (but I'm not sure this refers to the address bits).</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="16kB.GIF.gif"><img src="https://community.nxp.com/t5/image/serverpage/image-id/50950i4B68C4CC851F36E5/image-size/large?v=v2&amp;px=999" role="button" title="16kB.GIF.gif" alt="16kB.GIF.gif" /></span></P><P><span class="lia-inline-image-display-wrapper" image-alt="24-bit.GIF.gif"><img src="https://community.nxp.com/t5/image/serverpage/image-id/50951iAF9E6DE47578EB76/image-size/large?v=v2&amp;px=999" role="button" title="24-bit.GIF.gif" alt="24-bit.GIF.gif" /></span></P></BODY></HTML> Mon, 02 Mar 2015 19:36:49 GMT dvona 2015-03-02T19:36:49Z SPI for NOR Flash - Maximum addressable range https://community.nxp.com/t5/i-MX-Processors/SPI-for-NOR-Flash-Maximum-addressable-range/m-p/350532#M48754 <HTML><HEAD></HEAD><BODY><P>Greetings,</P><P></P><P>If one wanted to add flash memory to an i.MX6S with a SPI nor flash, what is the limiting factor for the maximum addressable memory?&nbsp; I see references in the manual that state a 16k memory size size for SPI boot, and I also see a setting for 16-bit or 24-bit (but I'm not sure this refers to the address bits).</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="16kB.GIF.gif"><img src="https://community.nxp.com/t5/image/serverpage/image-id/50950i4B68C4CC851F36E5/image-size/large?v=v2&amp;px=999" role="button" title="16kB.GIF.gif" alt="16kB.GIF.gif" /></span></P><P><span class="lia-inline-image-display-wrapper" image-alt="24-bit.GIF.gif"><img src="https://community.nxp.com/t5/image/serverpage/image-id/50951iAF9E6DE47578EB76/image-size/large?v=v2&amp;px=999" role="button" title="24-bit.GIF.gif" alt="24-bit.GIF.gif" /></span></P></BODY></HTML> Mon, 02 Mar 2015 19:36:49 GMT https://community.nxp.com/t5/i-MX-Processors/SPI-for-NOR-Flash-Maximum-addressable-range/m-p/350532#M48754 dvona 2015-03-02T19:36:49Z Re: SPI for NOR Flash - Maximum addressable range https://community.nxp.com/t5/i-MX-Processors/SPI-for-NOR-Flash-Maximum-addressable-range/m-p/350533#M48755 <HTML><HEAD></HEAD><BODY><P>Hello Dan,</P><P></P><P>There is no limitation to the memory size on the SPI, of course the bigger the memory, the slower it'll become.</P><P>The table you are showing refers to the required memory for bootloader</P><P><BR />Have a great day,<BR />Sergio</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 12 Mar 2015 16:49:12 GMT https://community.nxp.com/t5/i-MX-Processors/SPI-for-NOR-Flash-Maximum-addressable-range/m-p/350533#M48755 SergioSolis 2015-03-12T16:49:12Z