https://wiki.specnext.dev/index.php?action=history&feed=atom&title=XDEV_command 2026-05-07T04:46:47Z Revision history for this page on the wiki MediaWiki 1.43.5 https://wiki.specnext.dev/index.php?title=XDEV_command&diff=12334&oldid=prev 2024-11-03T12:49:15Z

<p>updated to 78a6ee50</p> <p><b>New page</b></p><div>{{NextRegister<br /> |Number=$F0<br /> |Readable=Yes<br /> |Writable=Yes<br /> |ShortDesc=Issue 4 only<br /> }}<br /> * Select Mode<br /> (R)<br /> bit 7 = 1 if in select mode<br /> bits 1:0 indicate currently selected device<br /> 00 = none<br /> 01 = Xilinx DNA<br /> 10 = Xilinx XADC<br /> (W)<br /> bit 7 = 1 to enter select mode, 0 to enter selected device mode (no other bits have effect)<br /> bit 6 = 1 to change selected device<br /> bits 1:0 selected device<br /> 00 = none<br /> 01 = Xilinx DNA<br /> 10 = Xilinx XADC<br /> * Xilinx DNA Mode<br /> (R)<br /> bit 0 = dna bit (serial stream shifts left)<br /> the first eight bits read will indicate the length of the following dna bits<br /> (W)<br /> bit 7 = 1 to enter select mode (write has no other effect)<br /> otherwise causes dna string to reload, ready for fresh read<br /> * Xilinx XADC Mode (Documented in Xilinx Series 7 UG480)<br /> (R)<br /> bit 6 = 1 if XADC is busy with conversion (BUSY)<br /> bit 1 = 1 if XADC conversion completed since last read (EOC, read clears)<br /> bit 0 = 1 if XADC conversion sequence completed since last read (EOS, read clears)<br /> (W)<br /> bit 7 = 1 to enter select mode (write has no other effect)<br /> bit 6 = 1 to reset XADC (RESET)<br /> bit 0 = 1 to start conversion (CONVST)<br /> * Re-enter select mode at any time by writing to the register with bit 7 set<br /> * Select a device to communicate with by writing to the register with bits 6 &amp; 7 set<br /> * Exit select mode by writing zero to bit 7; thereafter the particular device is attached to the nextreg</div>

Sol HSA