LPC Microcontrollers中的主题 VDD pins https://community.nxp.com/t5/LPC-Microcontrollers/VDD-pins/m-p/545775#M13125 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by IanB on Sat Dec 20 09:27:01 MST 2014</STRONG><BR /><SPAN>I don't think it says in the data sheet that BOTH Vdd pins must be connected for the IC to function - if it does, then I can't find it.</SPAN><BR /><SPAN>I've just found out the hard way! (and, I've also found out that attaching a wire to one pin of a FHN33 package is also just a little tricky!)</SPAN><BR /><BR /><SPAN>A quick test with a continuity tester shows that pin 6 is not connected to pin 29 on the FHN33 package.</SPAN><BR /><BR /><SPAN>If this is the case, then how should I interpret the limiting values for Idd in the data sheet - it says "100mA maximum </SPAN><I>per supply pin</I><SPAN>". If various parts of the IC are supplied from the two different pins, how would I which Vdd pins was supplying the load?</SPAN><BR /><BR /></BODY></HTML> Wed, 15 Jun 2016 19:46:40 GMT lpcware 2016-06-15T19:46:40Z VDD pins https://community.nxp.com/t5/LPC-Microcontrollers/VDD-pins/m-p/545775#M13125 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by IanB on Sat Dec 20 09:27:01 MST 2014</STRONG><BR /><SPAN>I don't think it says in the data sheet that BOTH Vdd pins must be connected for the IC to function - if it does, then I can't find it.</SPAN><BR /><SPAN>I've just found out the hard way! (and, I've also found out that attaching a wire to one pin of a FHN33 package is also just a little tricky!)</SPAN><BR /><BR /><SPAN>A quick test with a continuity tester shows that pin 6 is not connected to pin 29 on the FHN33 package.</SPAN><BR /><BR /><SPAN>If this is the case, then how should I interpret the limiting values for Idd in the data sheet - it says "100mA maximum </SPAN><I>per supply pin</I><SPAN>". If various parts of the IC are supplied from the two different pins, how would I which Vdd pins was supplying the load?</SPAN><BR /><BR /></BODY></HTML> Wed, 15 Jun 2016 19:46:40 GMT https://community.nxp.com/t5/LPC-Microcontrollers/VDD-pins/m-p/545775#M13125 lpcware 2016-06-15T19:46:40Z