https://community.nxp.com/t5/LPCXpresso-IDE/SysTick-and-Interrupts/m-p/549061#M10813 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by sallys21 on Wed Oct 17 09:16:19 MST 2012</STRONG><BR /><SPAN>Hi All,</SPAN><BR /><BR /><SPAN>This is my first time programming with NXP, specifically the LPC11U14.</SPAN><BR /><BR /><SPAN>My question is:</SPAN><BR /><BR /><SPAN>Can my SysTick interrupt occur during another interrupt like a Timer? I know you can set the priorities for the interrupts, but I can't figure out if during an ISR, the SysTick can continue to keep track of my time or if it'll wait till I'm done in the current one and then go into the next?</SPAN></BODY></HTML> Wed, 15 Jun 2016 23:28:13 GMT lpcware 2016-06-15T23:28:13Z https://community.nxp.com/t5/LPCXpresso-IDE/SysTick-and-Interrupts/m-p/549061#M10813 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by sallys21 on Wed Oct 17 09:16:19 MST 2012</STRONG><BR /><SPAN>Hi All,</SPAN><BR /><BR /><SPAN>This is my first time programming with NXP, specifically the LPC11U14.</SPAN><BR /><BR /><SPAN>My question is:</SPAN><BR /><BR /><SPAN>Can my SysTick interrupt occur during another interrupt like a Timer? I know you can set the priorities for the interrupts, but I can't figure out if during an ISR, the SysTick can continue to keep track of my time or if it'll wait till I'm done in the current one and then go into the next?</SPAN></BODY></HTML> Wed, 15 Jun 2016 23:28:13 GMT https://community.nxp.com/t5/LPCXpresso-IDE/SysTick-and-Interrupts/m-p/549061#M10813 lpcware 2016-06-15T23:28:13Z https://community.nxp.com/t5/LPCXpresso-IDE/SysTick-and-Interrupts/m-p/549062#M10814 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by ex-kayoda on Wed Oct 17 09:49:43 MST 2012</STRONG><BR /><SPAN>Interrupts interrupt interrupts :):) if they have higher interrupt priority. With same interrupt priority you'll see a "tail chaining".</SPAN><BR /><BR /><SPAN>See: </SPAN><A href="http://">http://www.arm.com/files/pdf/IntroToCortex-M3.pdf</A><BR /><BR /><SPAN>or</SPAN><BR /><BR /><A href="http://">http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0552a/Babefdjc.html</A></BODY></HTML> Wed, 15 Jun 2016 23:28:14 GMT https://community.nxp.com/t5/LPCXpresso-IDE/SysTick-and-Interrupts/m-p/549062#M10814 lpcware 2016-06-15T23:28:14Z