https://community.nxp.com/t5/PowerQUICC-Processors/PQII-PQIII-Flash-Programmer/m-p/486896#M1412 <HTML><HEAD></HEAD><BODY><P>Sorry, we do not offer JTAG/COP interface specification to customers, so you can not implement your own flash programmer for PQ2/PQ3 devices using internal debugging interface of PQ2/PQ3 device.</P><P></P><P>The only thing I can offer here is implement flash programming via standard JTAG commands, i.e. place PQ2/PQ3 device to JTAG boundary scan mode and program external flash, connected to PQ2/PQ3 device by "bit-banging" on PQ2/PQ3 pins using JTAG boundary scan commands. In this case the processor itself will be in reset mode, so you do not need PQ2/PQ3 debug interface description.</P><P><BR />Have a great day,<BR />Alexander</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 23 Mar 2016 14:33:11 GMT alexander_yakov 2016-03-23T14:33:11Z https://community.nxp.com/t5/PowerQUICC-Processors/PQII-PQIII-Flash-Programmer/m-p/486895#M1411 <HTML><HEAD></HEAD><BODY><P>We would like to make a Flash Programmer for PQ2/PQ3 based boards, fully hosted on a SBC (Raspberry Pi, Beagle Board/ etc.). This is to make it easy to for the Lab and Field people to recover boards where Flash has been corrupted.</P><P></P><P>How do we start about this? Where do we get the supported JTAG / cmd specifications supported by PQ2/3?</P><P></P><P>Thanks.</P></BODY></HTML> Fri, 18 Mar 2016 05:49:27 GMT https://community.nxp.com/t5/PowerQUICC-Processors/PQII-PQIII-Flash-Programmer/m-p/486895#M1411 dijo 2016-03-18T05:49:27Z https://community.nxp.com/t5/PowerQUICC-Processors/PQII-PQIII-Flash-Programmer/m-p/486896#M1412 <HTML><HEAD></HEAD><BODY><P>Sorry, we do not offer JTAG/COP interface specification to customers, so you can not implement your own flash programmer for PQ2/PQ3 devices using internal debugging interface of PQ2/PQ3 device.</P><P></P><P>The only thing I can offer here is implement flash programming via standard JTAG commands, i.e. place PQ2/PQ3 device to JTAG boundary scan mode and program external flash, connected to PQ2/PQ3 device by "bit-banging" on PQ2/PQ3 pins using JTAG boundary scan commands. In this case the processor itself will be in reset mode, so you do not need PQ2/PQ3 debug interface description.</P><P><BR />Have a great day,<BR />Alexander</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 23 Mar 2016 14:33:11 GMT https://community.nxp.com/t5/PowerQUICC-Processors/PQII-PQIII-Flash-Programmer/m-p/486896#M1412 alexander_yakov 2016-03-23T14:33:11Z