LPC MicrocontrollersのトピックDMA Request Select register https://community.nxp.com/t5/LPC-Microcontrollers/DMA-Request-Select-register/m-p/523317#M5953 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by John Sinclair on Thu Jul 26 02:33:44 MST 2012</STRONG><BR /><SPAN>Hello,</SPAN><BR /><BR /><SPAN>did I understand right:</SPAN><BR /><SPAN>With the LPC1778 I can't use a DMA with peripheral UART0 (transmit) and UART3 (transmit) at the same time?</SPAN><BR /><SPAN>Thanks for answer</SPAN><BR /></BODY></HTML> Wed, 15 Jun 2016 17:59:32 GMT lpcware 2016-06-15T17:59:32Z DMA Request Select register https://community.nxp.com/t5/LPC-Microcontrollers/DMA-Request-Select-register/m-p/523317#M5953 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by John Sinclair on Thu Jul 26 02:33:44 MST 2012</STRONG><BR /><SPAN>Hello,</SPAN><BR /><BR /><SPAN>did I understand right:</SPAN><BR /><SPAN>With the LPC1778 I can't use a DMA with peripheral UART0 (transmit) and UART3 (transmit) at the same time?</SPAN><BR /><SPAN>Thanks for answer</SPAN><BR /></BODY></HTML> Wed, 15 Jun 2016 17:59:32 GMT https://community.nxp.com/t5/LPC-Microcontrollers/DMA-Request-Select-register/m-p/523317#M5953 lpcware 2016-06-15T17:59:32Z Re: DMA Request Select register https://community.nxp.com/t5/LPC-Microcontrollers/DMA-Request-Select-register/m-p/523318#M5954 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by John Sinclair on Thu Jul 26 06:46:14 MST 2012</STRONG><BR /><SPAN>incredible but true! A lot of combinations of DMA requests are not possible because always two requests share one bit!</SPAN><BR /><SPAN>Why? I don't know, in this register are 16 bits reserved!</SPAN><BR /><SPAN>Very bad design! The DMA loss a lot of his power!</SPAN></BODY></HTML> Wed, 15 Jun 2016 17:59:33 GMT https://community.nxp.com/t5/LPC-Microcontrollers/DMA-Request-Select-register/m-p/523318#M5954 lpcware 2016-06-15T17:59:33Z