topic Re: Internal vs External OSC in LPCXpresso IDE https://community.nxp.com/t5/LPCXpresso-IDE/Internal-vs-External-OSC/m-p/587940#M27899 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by NXP_Paul on Fri Oct 04 09:23:00 MST 2013</STRONG><BR /><SPAN>It is always advisable to use the IRC whenever possible, because it uses less power, you can wake up faster, and is less expensive than using an external crystal.</SPAN><BR /><SPAN>The IRC has an accuracy of 1%, over the entire voltage and temperature range.&nbsp; While this is good enough for most applications, it is not accurate enough for peripherals such as USB.</SPAN><BR /></BODY></HTML> Thu, 16 Jun 2016 02:44:10 GMT lpcware 2016-06-16T02:44:10Z Internal vs External OSC https://community.nxp.com/t5/LPCXpresso-IDE/Internal-vs-External-OSC/m-p/587939#M27898 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Muis on Fri Oct 04 08:36:22 MST 2013</STRONG><BR /><SPAN>I have an external crystal on my board, but are there any advantages/downsides of using the IRC instead?</SPAN><BR /><BR /><SPAN>Will the IRC use less power? Wake up faster from deep sleep? Or is there no reason to use the IRC when you have XTAL input?</SPAN></BODY></HTML> Thu, 16 Jun 2016 02:44:08 GMT https://community.nxp.com/t5/LPCXpresso-IDE/Internal-vs-External-OSC/m-p/587939#M27898 lpcware 2016-06-16T02:44:08Z Re: Internal vs External OSC https://community.nxp.com/t5/LPCXpresso-IDE/Internal-vs-External-OSC/m-p/587940#M27899 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by NXP_Paul on Fri Oct 04 09:23:00 MST 2013</STRONG><BR /><SPAN>It is always advisable to use the IRC whenever possible, because it uses less power, you can wake up faster, and is less expensive than using an external crystal.</SPAN><BR /><SPAN>The IRC has an accuracy of 1%, over the entire voltage and temperature range.&nbsp; While this is good enough for most applications, it is not accurate enough for peripherals such as USB.</SPAN><BR /></BODY></HTML> Thu, 16 Jun 2016 02:44:10 GMT https://community.nxp.com/t5/LPCXpresso-IDE/Internal-vs-External-OSC/m-p/587940#M27899 lpcware 2016-06-16T02:44:10Z