topic Re: [help] MC13213 problem - VDDA 0.13v in 8-bit Microcontrollers https://community.nxp.com/t5/8-bit-Microcontrollers/help-MC13213-problem-VDDA-0-13v/m-p/132000#M2890 <HTML><HEAD></HEAD><BODY><DIV></DIV><DIV>It is not so clear: is your logic power supply shorted to 0.13V?</DIV><DIV>&nbsp;</DIV><DIV>I had a similar failure two times with an 9S08AW60 perhaps in the same static triggered failure: one uC was in the DEMO9S08AW60E board and the other was in a linked slave board.</DIV><DIV>Both failed in short with power supply. In both cases the logic supply was limited to some 100 mA (a limitig resistor in series with the regulator) and to some 200 mA (a 78L05). The measured logic supply under this conditions was some 130mV, a pretty good short. I was astonished how good it was, without fusing. I didn't investigate which pin was shorted: my Vdda is the same as Vddlogic.</DIV><DIV>&nbsp;</DIV><DIV>The demo board was easily repaired with no other damaged component by replacing the CPU on the socket, while the slave board where the CPU is soldered is in reparation: I hope with no other component broken too.</DIV><DIV>&nbsp;</DIV><DIV>Salvo</DIV></BODY></HTML> Thu, 05 Oct 2006 01:36:05 GMT Encoder 2006-10-05T01:36:05Z [help] MC13213 problem - VDDA 0.13v https://community.nxp.com/t5/8-bit-Microcontrollers/help-MC13213-problem-VDDA-0-13v/m-p/131999#M2889 <HTML><HEAD></HEAD><BODY><SPAN>Dear Sir/Madam:</SPAN><BR /><BR /><SPAN>I am doing MC13213 on custom board,</SPAN><BR /><SPAN>but it turns out that VDDA always about 0.13V. which is a kind of wired.</SPAN><BR /><SPAN>but the MCU part is good, while I can step program with BDM.</SPAN><BR /><BR /><SPAN>Does anyone have any idea about it ?</SPAN><BR /><BR /><SPAN>Thanks in advance </SPAN><A href="http://freescale.i.lithium.com/i/smilies/16x16_smiley-sad.gif"><IMG alt=":smileysad:" class="emoticon emoticon-smileysad" src="http://freescale.i.lithium.com/i/smilies/16x16_smiley-sad.gif" title="Smiley Sad" /></A><SPAN> .</SPAN><BR /><BR /><BR /><SPAN>Kevin</SPAN></BODY></HTML> Mon, 02 Oct 2006 10:07:52 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/help-MC13213-problem-VDDA-0-13v/m-p/131999#M2889 hcs99908 2006-10-02T10:07:52Z Re: [help] MC13213 problem - VDDA 0.13v https://community.nxp.com/t5/8-bit-Microcontrollers/help-MC13213-problem-VDDA-0-13v/m-p/132000#M2890 <HTML><HEAD></HEAD><BODY><DIV></DIV><DIV>It is not so clear: is your logic power supply shorted to 0.13V?</DIV><DIV>&nbsp;</DIV><DIV>I had a similar failure two times with an 9S08AW60 perhaps in the same static triggered failure: one uC was in the DEMO9S08AW60E board and the other was in a linked slave board.</DIV><DIV>Both failed in short with power supply. In both cases the logic supply was limited to some 100 mA (a limitig resistor in series with the regulator) and to some 200 mA (a 78L05). The measured logic supply under this conditions was some 130mV, a pretty good short. I was astonished how good it was, without fusing. I didn't investigate which pin was shorted: my Vdda is the same as Vddlogic.</DIV><DIV>&nbsp;</DIV><DIV>The demo board was easily repaired with no other damaged component by replacing the CPU on the socket, while the slave board where the CPU is soldered is in reparation: I hope with no other component broken too.</DIV><DIV>&nbsp;</DIV><DIV>Salvo</DIV></BODY></HTML> Thu, 05 Oct 2006 01:36:05 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/help-MC13213-problem-VDDA-0-13v/m-p/132000#M2890 Encoder 2006-10-05T01:36:05Z