https://www.sharpfin.org/index.php?action=history&feed=atom&title=Probe_Pins 2026-04-23T10:15:19Z Revision history for this page on the wiki MediaWiki 1.43.4 https://www.sharpfin.org/index.php?title=Probe_Pins&diff=146&oldid=prev 2025-06-08T11:43:48Z

<p>Created page with &quot;&#039;&#039;&#039;Thanks to rdk, the JTAG port has been identified, and this page is no longer necessary.&#039;&#039;&#039; &#039;&#039;&#039;There should be no links to this page.&#039;&#039;&#039; There are a number of unidentified probe pins on the rear of the Reciva PCB. The following plots have been captured, monitoring these pins: Note that the 3V3 is the 3V3 rail on the &#039;motherboard&#039;. PR3 is the 3V3 rail on the barracuda module. Note that PR5 comes up before PR3, which suggests it is an input to the module. Pro...&quot;</p> <p><b>New page</b></p><div>&#039;&#039;&#039;Thanks to rdk, the JTAG port has been identified, and this page is no longer necessary.&#039;&#039;&#039;<br /> <br /> &#039;&#039;&#039;There should be no links to this page.&#039;&#039;&#039;<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> There are a number of unidentified probe pins on the rear of the Reciva PCB.<br /> The following plots have been captured, monitoring these pins:<br /> <br /> Note that the 3V3 is the 3V3 rail on the &#039;motherboard&#039;. PR3 is the 3V3 rail on the barracuda module. Note that PR5 comes up before PR3, which suggests it is an input to the module.<br /> <br /> Probe Pins j1, j2, j3, j4, j5, PR3, PR5, PR6, PR7 and PR15 during power-up are shown in the image below. It should be noted that there is no further activity on these pins.<br /> <br /> [[Image:Power-up-plot.png]]<br /> <br /> Voltage measurements have been made:<br /> <br /> [[Image:pin-diag-voltages.png]]</div>

Philipp