topic Need MCU advice in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/Need-MCU-advice/m-p/522401#M5037 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by bobi-one on Mon Mar 24 05:19:31 MST 2014</STRONG><BR /><SPAN>Hi Community, </SPAN><BR /><SPAN>I am stuck at simple conundrum.</SPAN><BR /><SPAN>I Need low pin count micro-controller</SPAN><BR /><SPAN>that needs to drive micro sd card and external SPI dac.</SPAN><BR /><SPAN>the purpose is to be able to read and play 2-3 wave files(16bit 22050) at the same time from the card.</SPAN><BR /><SPAN>I was using lpc1343 and was able to play one but i wasn't able to play second one without using the whole resource of the controller. So I think I need DMA to make it more robust.</SPAN><BR /><SPAN>So if you have any suggestion what kind of NXP controller have DMA,&nbsp; low pin count and etc. please share your&nbsp; thoughts here.</SPAN><BR /><SPAN>I will really appreciate any further advice.</SPAN><BR /><SPAN>Regards,</SPAN><BR /><SPAN>Boyko</SPAN></BODY></HTML> Wed, 15 Jun 2016 16:39:10 GMT lpcware 2016-06-15T16:39:10Z Need MCU advice https://community.nxp.com/t5/LPC-Microcontrollers/Need-MCU-advice/m-p/522401#M5037 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by bobi-one on Mon Mar 24 05:19:31 MST 2014</STRONG><BR /><SPAN>Hi Community, </SPAN><BR /><SPAN>I am stuck at simple conundrum.</SPAN><BR /><SPAN>I Need low pin count micro-controller</SPAN><BR /><SPAN>that needs to drive micro sd card and external SPI dac.</SPAN><BR /><SPAN>the purpose is to be able to read and play 2-3 wave files(16bit 22050) at the same time from the card.</SPAN><BR /><SPAN>I was using lpc1343 and was able to play one but i wasn't able to play second one without using the whole resource of the controller. So I think I need DMA to make it more robust.</SPAN><BR /><SPAN>So if you have any suggestion what kind of NXP controller have DMA,&nbsp; low pin count and etc. please share your&nbsp; thoughts here.</SPAN><BR /><SPAN>I will really appreciate any further advice.</SPAN><BR /><SPAN>Regards,</SPAN><BR /><SPAN>Boyko</SPAN></BODY></HTML> Wed, 15 Jun 2016 16:39:10 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Need-MCU-advice/m-p/522401#M5037 lpcware 2016-06-15T16:39:10Z Re: Need MCU advice https://community.nxp.com/t5/LPC-Microcontrollers/Need-MCU-advice/m-p/522402#M5038 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by LabRat on Mon Mar 24 05:57:30 MST 2014</STRONG><BR /><SPAN>New LPC15xx in LQFP48?</SPAN></BODY></HTML> Wed, 15 Jun 2016 16:39:11 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Need-MCU-advice/m-p/522402#M5038 lpcware 2016-06-15T16:39:11Z Re: Need MCU advice https://community.nxp.com/t5/LPC-Microcontrollers/Need-MCU-advice/m-p/522403#M5039 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by bobi-one on Mon Mar 24 07:13:11 MST 2014</STRONG><BR /><SPAN>Thank you for the fast responce.</SPAN><BR /><SPAN>I am not familiar with this family of products,</SPAN><BR /><SPAN>So there is 1517 and 1547 and 1549 with a different pinout. Are you familiar with more specific difference between the&nbsp; three like clock speed and som other limitations?</SPAN><BR /><SPAN>Regards,</SPAN><BR /><SPAN>Boyko</SPAN></BODY></HTML> Wed, 15 Jun 2016 16:39:12 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Need-MCU-advice/m-p/522403#M5039 lpcware 2016-06-15T16:39:12Z Re: Need MCU advice https://community.nxp.com/t5/LPC-Microcontrollers/Need-MCU-advice/m-p/522404#M5040 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by LabRat on Mon Mar 24 07:29:24 MST 2014</STRONG><BR /><HR /><SPAN style="color: #0000ff;"><STRONG>Quote: bobi-one</STRONG><BR />Are you familiar with more specific difference between the&nbsp; three like clock speed and som other limitations?</SPAN><HR /><BR /><BR /><SPAN>I'm using LPC1549 in LQFP48 and LQFP64: 256kB Flash, 36kB SRAM, 4kB EEPROM, 72MHz, ROM-CAN and ROM-USB as described in Datasheet / User manual...</SPAN><BR /><BR /><SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fwww.nxp.com%2Fproducts%2Fmicrocontrollers%2Fcortex_m3%2FLPC1549JBD48.html" rel="nofollow" target="_blank">http://www.nxp.com/products/microcontrollers/cortex_m3/LPC1549JBD48.html</A><SPAN> </SPAN></SPAN><BR /><BR /><BR /></BODY></HTML> Wed, 15 Jun 2016 16:39:12 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Need-MCU-advice/m-p/522404#M5040 lpcware 2016-06-15T16:39:12Z Re: Need MCU advice https://community.nxp.com/t5/LPC-Microcontrollers/Need-MCU-advice/m-p/522405#M5041 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by bobi-one on Tue Mar 25 01:18:12 MST 2014</STRONG><BR /><SPAN>Did you design custom board for those, and did you had any difficulties&nbsp; doing so?</SPAN><BR /><SPAN>Those chip have really power supply pin placement but may need more thinking before doing so.</SPAN><BR /><SPAN>Regards,</SPAN><BR /><SPAN>Boyko</SPAN></BODY></HTML> Wed, 15 Jun 2016 16:39:13 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Need-MCU-advice/m-p/522405#M5041 lpcware 2016-06-15T16:39:13Z Re: Need MCU advice https://community.nxp.com/t5/LPC-Microcontrollers/Need-MCU-advice/m-p/522406#M5042 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by LabRat on Tue Mar 25 01:26:30 MST 2014</STRONG><BR /><HR /><SPAN style="color: #0000ff;"><STRONG>Quote: bobi-one</STRONG><BR />Did you design custom board for those...</SPAN><HR /><BR /><BR /><SPAN>5</SPAN><BR /><BR /><HR /><SPAN style="color: #0000ff;"><STRONG>Quote: bobi-one</STRONG><BR />...did you had any difficulties&nbsp; doing so?</SPAN><HR /><BR /><BR /><SPAN>No.</SPAN></BODY></HTML> Wed, 15 Jun 2016 16:39:14 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Need-MCU-advice/m-p/522406#M5042 lpcware 2016-06-15T16:39:14Z