LPC MicrocontrollersのトピックQuery re DMA on LPC13Uxx - memory address set in this field should be accessible by USB DMA controller https://community.nxp.com/t5/LPC-Microcontrollers/Query-re-DMA-on-LPC13Uxx-memory-address-set-in-this-field-should/m-p/525472#M8108 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by mathseng on Tue Sep 24 17:06:13 MST 2013</STRONG><BR /><SPAN>Hi,</SPAN><BR /><SPAN>Can anyone please help me with DMA info for the LPC13Uxx devices?</SPAN><BR /><BR /><SPAN>The documentation contains this or similar remarks throughout.</SPAN><BR /><SPAN>Remark: The memory address set in this field should be accessible by USB DMA controller. Also this</SPAN><BR /><SPAN>value should be aligned on 4 byte boundary.</SPAN><BR /><BR /><SPAN>I have unsuccessfully searched to find which memory items satisfy these criteria.</SPAN><BR /><BR /><SPAN>Bill</SPAN><BR /></BODY></HTML> Wed, 15 Jun 2016 16:56:13 GMT lpcware 2016-06-15T16:56:13Z Query re DMA on LPC13Uxx - memory address set in this field should be accessible by USB DMA controller https://community.nxp.com/t5/LPC-Microcontrollers/Query-re-DMA-on-LPC13Uxx-memory-address-set-in-this-field-should/m-p/525472#M8108 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by mathseng on Tue Sep 24 17:06:13 MST 2013</STRONG><BR /><SPAN>Hi,</SPAN><BR /><SPAN>Can anyone please help me with DMA info for the LPC13Uxx devices?</SPAN><BR /><BR /><SPAN>The documentation contains this or similar remarks throughout.</SPAN><BR /><SPAN>Remark: The memory address set in this field should be accessible by USB DMA controller. Also this</SPAN><BR /><SPAN>value should be aligned on 4 byte boundary.</SPAN><BR /><BR /><SPAN>I have unsuccessfully searched to find which memory items satisfy these criteria.</SPAN><BR /><BR /><SPAN>Bill</SPAN><BR /></BODY></HTML> Wed, 15 Jun 2016 16:56:13 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Query-re-DMA-on-LPC13Uxx-memory-address-set-in-this-field-should/m-p/525472#M8108 lpcware 2016-06-15T16:56:13Z